./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.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_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/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_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/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_bb95502a-1da5-4f3b-bb74-0f71143fad83/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 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:06:59,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:06:59,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:06:59,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:06:59,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:06:59,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:06:59,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:06:59,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:06:59,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:06:59,509 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:06:59,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:06:59,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:06:59,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:06:59,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:06:59,511 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:06:59,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:06:59,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:06:59,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:06:59,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:06:59,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:06:59,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:06:59,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:06:59,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:06:59,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:06:59,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:59,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:59,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:59,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:06:59,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:06:59,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:06:59,516 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_bb95502a-1da5-4f3b-bb74-0f71143fad83/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 -> 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad [2024-11-28 04:06:59,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:06:59,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:06:59,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:06:59,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:06:59,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:06:59,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:03,404 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/2179b1c9a/dc725aac27a448de9e1e524f355363c4/FLAGbe1690d93 [2024-11-28 04:07:03,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:07:03,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:03,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/2179b1c9a/dc725aac27a448de9e1e524f355363c4/FLAGbe1690d93 [2024-11-28 04:07:03,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/2179b1c9a/dc725aac27a448de9e1e524f355363c4 [2024-11-28 04:07:03,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:07:03,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:07:03,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:03,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:07:03,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:07:03,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:03" (1/1) ... [2024-11-28 04:07:03,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef6f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:03, skipping insertion in model container [2024-11-28 04:07:03,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:03" (1/1) ... [2024-11-28 04:07:03,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:07:04,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:04,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:07:04,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:04,645 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:07:04,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04 WrapperNode [2024-11-28 04:07:04,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:04,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:04,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:07:04,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:07:04,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,710 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 137 [2024-11-28 04:07:04,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:04,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:07:04,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:07:04,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:07:04,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,746 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]. [2024-11-28 04:07:04,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:07:04,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:07:04,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:07:04,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:07:04,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (1/1) ... [2024-11-28 04:07:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:04,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:04,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:07:04,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:07:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:07:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:07:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:07:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:07:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:07:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:07:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:07:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:07:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:07:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:07:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:07:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:07:04,877 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:07:05,103 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:07:05,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:07:05,530 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:07:05,530 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:07:05,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:07:05,847 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:07:05,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:05 BoogieIcfgContainer [2024-11-28 04:07:05,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:07:05,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:07:05,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:07:05,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:07:05,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:07:03" (1/3) ... [2024-11-28 04:07:05,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55329259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:05, skipping insertion in model container [2024-11-28 04:07:05,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:04" (2/3) ... [2024-11-28 04:07:05,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55329259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:05, skipping insertion in model container [2024-11-28 04:07:05,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:05" (3/3) ... [2024-11-28 04:07:05,862 INFO L128 eAbstractionObserver]: Analyzing ICFG safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:05,882 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:07:05,886 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe031_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 44 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 04:07:05,887 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:07:05,967 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:07:06,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-28 04:07:06,073 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-28 04:07:06,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:06,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-28 04:07:06,080 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-28 04:07:06,086 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-28 04:07:06,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:07:06,112 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;@6d848048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:07:06,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:07:06,120 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:07:06,120 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-28 04:07:06,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:06,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:06,121 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:06,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:06,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:06,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1143059156, now seen corresponding path program 1 times [2024-11-28 04:07:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:06,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079414062] [2024-11-28 04:07:06,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:06,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:06,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079414062] [2024-11-28 04:07:06,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079414062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:06,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:06,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:07:06,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738944513] [2024-11-28 04:07:06,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:06,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:06,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:06,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:06,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 45 [2024-11-28 04:07:06,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-28 04:07:06,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:06,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 45 [2024-11-28 04:07:06,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:07,441 INFO L124 PetriNetUnfolderBase]: 407/744 cut-off events. [2024-11-28 04:07:07,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:07,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 744 events. 407/744 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4371 event pairs, 128 based on Foata normal form. 48/778 useless extension candidates. Maximal degree in co-relation 1396. Up to 496 conditions per place. [2024-11-28 04:07:07,455 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 27 selfloop transitions, 2 changer transitions 2/49 dead transitions. [2024-11-28 04:07:07,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 49 transitions, 169 flow [2024-11-28 04:07:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:07:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-28 04:07:07,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-28 04:07:07,476 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 99 transitions. [2024-11-28 04:07:07,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 49 transitions, 169 flow [2024-11-28 04:07:07,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:07:07,490 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-28 04:07:07,493 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-28 04:07:07,499 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-28 04:07:07,499 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-28 04:07:07,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-28 04:07:07,499 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:07,500 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:07,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:07:07,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:07,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1459971501, now seen corresponding path program 1 times [2024-11-28 04:07:07,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:07,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785245374] [2024-11-28 04:07:07,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:07,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:07,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785245374] [2024-11-28 04:07:07,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785245374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:07,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:07,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:07:07,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087350052] [2024-11-28 04:07:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:07,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:07,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:07,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:07,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:07,669 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-28 04:07:07,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-28 04:07:07,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:07,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-28 04:07:07,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:07,921 INFO L124 PetriNetUnfolderBase]: 361/698 cut-off events. [2024-11-28 04:07:07,921 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-28 04:07:07,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 698 events. 361/698 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4849 event pairs, 361 based on Foata normal form. 24/695 useless extension candidates. Maximal degree in co-relation 1328. Up to 570 conditions per place. [2024-11-28 04:07:07,933 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 17 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-28 04:07:07,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 120 flow [2024-11-28 04:07:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:07:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-28 04:07:07,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-28 04:07:07,936 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 80 transitions. [2024-11-28 04:07:07,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 120 flow [2024-11-28 04:07:07,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:07:07,938 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-28 04:07:07,938 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-28 04:07:07,939 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2024-11-28 04:07:07,940 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-28 04:07:07,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-28 04:07:07,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:07,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:07,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:07:07,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:07,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1459972987, now seen corresponding path program 1 times [2024-11-28 04:07:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:07,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507229506] [2024-11-28 04:07:07,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:09,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:09,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507229506] [2024-11-28 04:07:09,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507229506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:09,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:09,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:09,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579606430] [2024-11-28 04:07:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:09,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:09,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:09,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:09,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:09,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:09,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-28 04:07:09,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:09,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:09,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:10,648 INFO L124 PetriNetUnfolderBase]: 1575/2655 cut-off events. [2024-11-28 04:07:10,648 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:10,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5051 conditions, 2655 events. 1575/2655 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 17252 event pairs, 463 based on Foata normal form. 0/2584 useless extension candidates. Maximal degree in co-relation 5045. Up to 1298 conditions per place. [2024-11-28 04:07:10,665 INFO L140 encePairwiseOnDemand]: 34/45 looper letters, 35 selfloop transitions, 9 changer transitions 64/121 dead transitions. [2024-11-28 04:07:10,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 121 transitions, 470 flow [2024-11-28 04:07:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:07:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 04:07:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 315 transitions. [2024-11-28 04:07:10,668 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-28 04:07:10,668 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 12 states and 315 transitions. [2024-11-28 04:07:10,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 121 transitions, 470 flow [2024-11-28 04:07:10,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 121 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:07:10,672 INFO L231 Difference]: Finished difference. Result has 63 places, 41 transitions, 161 flow [2024-11-28 04:07:10,672 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=161, PETRI_PLACES=63, PETRI_TRANSITIONS=41} [2024-11-28 04:07:10,673 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-11-28 04:07:10,673 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 41 transitions, 161 flow [2024-11-28 04:07:10,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-28 04:07:10,674 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:10,674 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:10,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:07:10,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:10,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:10,675 INFO L85 PathProgramCache]: Analyzing trace with hash -844283526, now seen corresponding path program 1 times [2024-11-28 04:07:10,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:10,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299147089] [2024-11-28 04:07:10,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:10,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:11,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:11,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299147089] [2024-11-28 04:07:11,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299147089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:11,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:11,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:11,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247589713] [2024-11-28 04:07:11,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:11,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:11,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:11,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:11,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:11,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-28 04:07:11,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 41 transitions, 161 flow. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2024-11-28 04:07:11,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:11,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-28 04:07:11,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:12,051 INFO L124 PetriNetUnfolderBase]: 1203/2248 cut-off events. [2024-11-28 04:07:12,052 INFO L125 PetriNetUnfolderBase]: For 4094/4248 co-relation queries the response was YES. [2024-11-28 04:07:12,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6914 conditions, 2248 events. 1203/2248 cut-off events. For 4094/4248 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 15624 event pairs, 456 based on Foata normal form. 96/2234 useless extension candidates. Maximal degree in co-relation 6898. Up to 1316 conditions per place. [2024-11-28 04:07:12,079 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 27 selfloop transitions, 3 changer transitions 27/76 dead transitions. [2024-11-28 04:07:12,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 76 transitions, 409 flow [2024-11-28 04:07:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:07:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:07:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 185 transitions. [2024-11-28 04:07:12,081 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5873015873015873 [2024-11-28 04:07:12,081 INFO L175 Difference]: Start difference. First operand has 63 places, 41 transitions, 161 flow. Second operand 7 states and 185 transitions. [2024-11-28 04:07:12,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 76 transitions, 409 flow [2024-11-28 04:07:12,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 76 transitions, 379 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-11-28 04:07:12,131 INFO L231 Difference]: Finished difference. Result has 60 places, 43 transitions, 182 flow [2024-11-28 04:07:12,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=182, PETRI_PLACES=60, PETRI_TRANSITIONS=43} [2024-11-28 04:07:12,132 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2024-11-28 04:07:12,133 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 43 transitions, 182 flow [2024-11-28 04:07:12,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2024-11-28 04:07:12,133 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:12,133 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:12,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:07:12,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:12,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:12,135 INFO L85 PathProgramCache]: Analyzing trace with hash 695422254, now seen corresponding path program 1 times [2024-11-28 04:07:12,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:12,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715303460] [2024-11-28 04:07:12,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:13,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:13,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715303460] [2024-11-28 04:07:13,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715303460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:13,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:13,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:07:13,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541907335] [2024-11-28 04:07:13,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:13,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:13,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:13,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:13,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:13,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:13,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 43 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 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) [2024-11-28 04:07:13,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:13,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:13,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:13,974 INFO L124 PetriNetUnfolderBase]: 1847/3285 cut-off events. [2024-11-28 04:07:13,975 INFO L125 PetriNetUnfolderBase]: For 5384/5388 co-relation queries the response was YES. [2024-11-28 04:07:13,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10660 conditions, 3285 events. 1847/3285 cut-off events. For 5384/5388 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 22995 event pairs, 519 based on Foata normal form. 85/3344 useless extension candidates. Maximal degree in co-relation 10642. Up to 1267 conditions per place. [2024-11-28 04:07:14,007 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 41 selfloop transitions, 10 changer transitions 29/94 dead transitions. [2024-11-28 04:07:14,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 94 transitions, 594 flow [2024-11-28 04:07:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:07:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:07:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 210 transitions. [2024-11-28 04:07:14,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-28 04:07:14,009 INFO L175 Difference]: Start difference. First operand has 60 places, 43 transitions, 182 flow. Second operand 8 states and 210 transitions. [2024-11-28 04:07:14,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 94 transitions, 594 flow [2024-11-28 04:07:14,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 94 transitions, 578 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-28 04:07:14,026 INFO L231 Difference]: Finished difference. Result has 66 places, 48 transitions, 254 flow [2024-11-28 04:07:14,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=254, PETRI_PLACES=66, PETRI_TRANSITIONS=48} [2024-11-28 04:07:14,027 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 16 predicate places. [2024-11-28 04:07:14,027 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 48 transitions, 254 flow [2024-11-28 04:07:14,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 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) [2024-11-28 04:07:14,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:14,027 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:14,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:07:14,028 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:14,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:14,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1761659638, now seen corresponding path program 1 times [2024-11-28 04:07:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:14,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916928564] [2024-11-28 04:07:14,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:14,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916928564] [2024-11-28 04:07:14,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916928564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:14,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:14,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:07:14,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36006576] [2024-11-28 04:07:14,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:14,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:14,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:14,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:14,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:14,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:14,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 48 transitions, 254 flow. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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) [2024-11-28 04:07:14,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:14,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:14,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:15,260 INFO L124 PetriNetUnfolderBase]: 2956/4956 cut-off events. [2024-11-28 04:07:15,260 INFO L125 PetriNetUnfolderBase]: For 8767/9102 co-relation queries the response was YES. [2024-11-28 04:07:15,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15105 conditions, 4956 events. 2956/4956 cut-off events. For 8767/9102 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 32550 event pairs, 576 based on Foata normal form. 306/5093 useless extension candidates. Maximal degree in co-relation 15082. Up to 2751 conditions per place. [2024-11-28 04:07:15,306 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 50 selfloop transitions, 5 changer transitions 1/74 dead transitions. [2024-11-28 04:07:15,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 74 transitions, 481 flow [2024-11-28 04:07:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:07:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2024-11-28 04:07:15,308 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6277777777777778 [2024-11-28 04:07:15,309 INFO L175 Difference]: Start difference. First operand has 66 places, 48 transitions, 254 flow. Second operand 4 states and 113 transitions. [2024-11-28 04:07:15,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 74 transitions, 481 flow [2024-11-28 04:07:15,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 74 transitions, 454 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-28 04:07:15,400 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 258 flow [2024-11-28 04:07:15,400 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=258, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-28 04:07:15,403 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2024-11-28 04:07:15,403 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 258 flow [2024-11-28 04:07:15,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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) [2024-11-28 04:07:15,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:15,403 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] [2024-11-28 04:07:15,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:07:15,404 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:15,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -981758284, now seen corresponding path program 1 times [2024-11-28 04:07:15,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:15,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599093470] [2024-11-28 04:07:15,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:16,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:16,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599093470] [2024-11-28 04:07:16,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599093470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:16,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:16,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:07:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30343540] [2024-11-28 04:07:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:16,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:07:16,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:16,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:07:16,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:07:16,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-28 04:07:16,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 258 flow. Second operand has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 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) [2024-11-28 04:07:16,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:16,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-28 04:07:16,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:17,659 INFO L124 PetriNetUnfolderBase]: 1921/3681 cut-off events. [2024-11-28 04:07:17,659 INFO L125 PetriNetUnfolderBase]: For 5845/6019 co-relation queries the response was YES. [2024-11-28 04:07:17,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11667 conditions, 3681 events. 1921/3681 cut-off events. For 5845/6019 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 27495 event pairs, 643 based on Foata normal form. 96/3574 useless extension candidates. Maximal degree in co-relation 11645. Up to 2227 conditions per place. [2024-11-28 04:07:17,708 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 41 selfloop transitions, 14 changer transitions 16/95 dead transitions. [2024-11-28 04:07:17,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 95 transitions, 638 flow [2024-11-28 04:07:17,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:07:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:07:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 253 transitions. [2024-11-28 04:07:17,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5622222222222222 [2024-11-28 04:07:17,710 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 258 flow. Second operand 10 states and 253 transitions. [2024-11-28 04:07:17,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 95 transitions, 638 flow [2024-11-28 04:07:17,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 95 transitions, 624 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-28 04:07:17,718 INFO L231 Difference]: Finished difference. Result has 76 places, 58 transitions, 373 flow [2024-11-28 04:07:17,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=373, PETRI_PLACES=76, PETRI_TRANSITIONS=58} [2024-11-28 04:07:17,718 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 26 predicate places. [2024-11-28 04:07:17,719 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 58 transitions, 373 flow [2024-11-28 04:07:17,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 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) [2024-11-28 04:07:17,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:17,719 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] [2024-11-28 04:07:17,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:07:17,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:17,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1960423094, now seen corresponding path program 1 times [2024-11-28 04:07:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:17,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562111418] [2024-11-28 04:07:17,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562111418] [2024-11-28 04:07:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562111418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:17,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:17,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:17,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201995062] [2024-11-28 04:07:17,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:17,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:17,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:17,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:17,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:17,999 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:17,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 58 transitions, 373 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-28 04:07:17,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:17,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:17,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:18,665 INFO L124 PetriNetUnfolderBase]: 2018/3486 cut-off events. [2024-11-28 04:07:18,665 INFO L125 PetriNetUnfolderBase]: For 10603/10933 co-relation queries the response was YES. [2024-11-28 04:07:18,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12132 conditions, 3486 events. 2018/3486 cut-off events. For 10603/10933 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 21487 event pairs, 267 based on Foata normal form. 294/3662 useless extension candidates. Maximal degree in co-relation 12103. Up to 1181 conditions per place. [2024-11-28 04:07:18,700 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 61 selfloop transitions, 8 changer transitions 8/95 dead transitions. [2024-11-28 04:07:18,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 95 transitions, 748 flow [2024-11-28 04:07:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:07:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:07:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 143 transitions. [2024-11-28 04:07:18,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6355555555555555 [2024-11-28 04:07:18,703 INFO L175 Difference]: Start difference. First operand has 76 places, 58 transitions, 373 flow. Second operand 5 states and 143 transitions. [2024-11-28 04:07:18,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 95 transitions, 748 flow [2024-11-28 04:07:18,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 95 transitions, 682 flow, removed 31 selfloop flow, removed 3 redundant places. [2024-11-28 04:07:18,727 INFO L231 Difference]: Finished difference. Result has 77 places, 56 transitions, 349 flow [2024-11-28 04:07:18,728 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=349, PETRI_PLACES=77, PETRI_TRANSITIONS=56} [2024-11-28 04:07:18,729 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 27 predicate places. [2024-11-28 04:07:18,729 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 56 transitions, 349 flow [2024-11-28 04:07:18,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-28 04:07:18,729 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:18,729 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] [2024-11-28 04:07:18,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:07:18,730 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:18,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:18,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2028913496, now seen corresponding path program 1 times [2024-11-28 04:07:18,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:18,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491047803] [2024-11-28 04:07:18,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:19,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:19,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491047803] [2024-11-28 04:07:19,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491047803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:19,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:19,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:19,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193184148] [2024-11-28 04:07:19,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:19,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:19,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:19,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:19,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:19,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 56 transitions, 349 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-28 04:07:19,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:19,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:19,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:19,589 INFO L124 PetriNetUnfolderBase]: 1515/2575 cut-off events. [2024-11-28 04:07:19,589 INFO L125 PetriNetUnfolderBase]: For 8286/8812 co-relation queries the response was YES. [2024-11-28 04:07:19,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9742 conditions, 2575 events. 1515/2575 cut-off events. For 8286/8812 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 15433 event pairs, 244 based on Foata normal form. 199/2647 useless extension candidates. Maximal degree in co-relation 9712. Up to 948 conditions per place. [2024-11-28 04:07:19,610 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 45 selfloop transitions, 11 changer transitions 16/87 dead transitions. [2024-11-28 04:07:19,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 87 transitions, 639 flow [2024-11-28 04:07:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:07:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2024-11-28 04:07:19,612 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5888888888888889 [2024-11-28 04:07:19,612 INFO L175 Difference]: Start difference. First operand has 77 places, 56 transitions, 349 flow. Second operand 6 states and 159 transitions. [2024-11-28 04:07:19,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 87 transitions, 639 flow [2024-11-28 04:07:19,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 87 transitions, 575 flow, removed 18 selfloop flow, removed 8 redundant places. [2024-11-28 04:07:19,622 INFO L231 Difference]: Finished difference. Result has 72 places, 51 transitions, 294 flow [2024-11-28 04:07:19,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=72, PETRI_TRANSITIONS=51} [2024-11-28 04:07:19,623 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 22 predicate places. [2024-11-28 04:07:19,623 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 51 transitions, 294 flow [2024-11-28 04:07:19,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-28 04:07:19,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:19,624 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] [2024-11-28 04:07:19,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:07:19,624 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:19,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1771740986, now seen corresponding path program 1 times [2024-11-28 04:07:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:19,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046695242] [2024-11-28 04:07:19,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:19,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:19,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046695242] [2024-11-28 04:07:19,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046695242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:19,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:19,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:07:19,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040587596] [2024-11-28 04:07:19,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:19,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:19,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:19,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:19,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:19,953 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-11-28 04:07:19,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 51 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 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) [2024-11-28 04:07:19,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:19,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-11-28 04:07:19,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:20,393 INFO L124 PetriNetUnfolderBase]: 725/1605 cut-off events. [2024-11-28 04:07:20,393 INFO L125 PetriNetUnfolderBase]: For 4052/4331 co-relation queries the response was YES. [2024-11-28 04:07:20,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5036 conditions, 1605 events. 725/1605 cut-off events. For 4052/4331 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11177 event pairs, 155 based on Foata normal form. 31/1467 useless extension candidates. Maximal degree in co-relation 5010. Up to 535 conditions per place. [2024-11-28 04:07:20,405 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 28 selfloop transitions, 1 changer transitions 24/79 dead transitions. [2024-11-28 04:07:20,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 79 transitions, 515 flow [2024-11-28 04:07:20,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:07:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2024-11-28 04:07:20,409 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-11-28 04:07:20,410 INFO L175 Difference]: Start difference. First operand has 72 places, 51 transitions, 294 flow. Second operand 6 states and 156 transitions. [2024-11-28 04:07:20,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 79 transitions, 515 flow [2024-11-28 04:07:20,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 79 transitions, 444 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-28 04:07:20,426 INFO L231 Difference]: Finished difference. Result has 73 places, 47 transitions, 234 flow [2024-11-28 04:07:20,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=73, PETRI_TRANSITIONS=47} [2024-11-28 04:07:20,427 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 23 predicate places. [2024-11-28 04:07:20,427 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 47 transitions, 234 flow [2024-11-28 04:07:20,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 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) [2024-11-28 04:07:20,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:20,427 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] [2024-11-28 04:07:20,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:07:20,428 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:20,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash 576370338, now seen corresponding path program 2 times [2024-11-28 04:07:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302198183] [2024-11-28 04:07:20,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:07:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:20,490 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:07:20,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:07:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:22,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:22,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302198183] [2024-11-28 04:07:22,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302198183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:22,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:22,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:07:22,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334948112] [2024-11-28 04:07:22,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:22,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:07:22,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:22,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:07:22,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:07:22,120 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-28 04:07:22,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 47 transitions, 234 flow. Second operand has 10 states, 10 states have (on average 20.6) internal successors, (206), 10 states have internal predecessors, (206), 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) [2024-11-28 04:07:22,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:22,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-28 04:07:22,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:22,772 INFO L124 PetriNetUnfolderBase]: 547/1212 cut-off events. [2024-11-28 04:07:22,772 INFO L125 PetriNetUnfolderBase]: For 1368/1476 co-relation queries the response was YES. [2024-11-28 04:07:22,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3374 conditions, 1212 events. 547/1212 cut-off events. For 1368/1476 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8110 event pairs, 202 based on Foata normal form. 22/1097 useless extension candidates. Maximal degree in co-relation 3350. Up to 398 conditions per place. [2024-11-28 04:07:22,779 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 20 selfloop transitions, 3 changer transitions 24/72 dead transitions. [2024-11-28 04:07:22,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 404 flow [2024-11-28 04:07:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:07:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:07:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 197 transitions. [2024-11-28 04:07:22,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5472222222222223 [2024-11-28 04:07:22,782 INFO L175 Difference]: Start difference. First operand has 73 places, 47 transitions, 234 flow. Second operand 8 states and 197 transitions. [2024-11-28 04:07:22,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 404 flow [2024-11-28 04:07:22,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 390 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-28 04:07:22,790 INFO L231 Difference]: Finished difference. Result has 77 places, 44 transitions, 228 flow [2024-11-28 04:07:22,792 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=65, 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=8, PETRI_FLOW=228, PETRI_PLACES=77, PETRI_TRANSITIONS=44} [2024-11-28 04:07:22,793 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 27 predicate places. [2024-11-28 04:07:22,793 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 44 transitions, 228 flow [2024-11-28 04:07:22,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.6) internal successors, (206), 10 states have internal predecessors, (206), 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) [2024-11-28 04:07:22,793 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:22,793 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] [2024-11-28 04:07:22,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:07:22,794 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:22,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:22,794 INFO L85 PathProgramCache]: Analyzing trace with hash -148768062, now seen corresponding path program 3 times [2024-11-28 04:07:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:22,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532366114] [2024-11-28 04:07:22,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:07:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:22,864 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:07:22,864 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 04:07:22,864 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:07:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:07:23,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:07:23,003 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:07:23,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-28 04:07:23,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-28 04:07:23,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-28 04:07:23,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 04:07:23,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-28 04:07:23,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-28 04:07:23,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-28 04:07:23,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:07:23,008 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:23,108 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:07:23,108 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:07:23,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:07:23 BasicIcfg [2024-11-28 04:07:23,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:07:23,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:07:23,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:07:23,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:07:23,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:05" (3/4) ... [2024-11-28 04:07:23,118 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:07:23,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:07:23,120 INFO L158 Benchmark]: Toolchain (without parser) took 19227.05ms. Allocated memory was 117.4MB in the beginning and 453.0MB in the end (delta: 335.5MB). Free memory was 91.6MB in the beginning and 318.8MB in the end (delta: -227.2MB). Peak memory consumption was 109.2MB. Max. memory is 16.1GB. [2024-11-28 04:07:23,120 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:23,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.50ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 68.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:07:23,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.13ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:23,121 INFO L158 Benchmark]: Boogie Preprocessor took 57.88ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:23,122 INFO L158 Benchmark]: RCFGBuilder took 1078.83ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 69.7MB in the end (delta: -6.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-28 04:07:23,122 INFO L158 Benchmark]: TraceAbstraction took 17261.84ms. Allocated memory was 117.4MB in the beginning and 453.0MB in the end (delta: 335.5MB). Free memory was 69.2MB in the beginning and 318.8MB in the end (delta: -249.7MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-11-28 04:07:23,123 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 453.0MB. Free memory was 318.8MB in the beginning and 318.8MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:23,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.50ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 68.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.13ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.88ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1078.83ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 69.7MB in the end (delta: -6.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17261.84ms. Allocated memory was 117.4MB in the beginning and 453.0MB in the end (delta: 335.5MB). Free memory was 69.2MB in the beginning and 318.8MB in the end (delta: -249.7MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 453.0MB. Free memory was 318.8MB in the beginning and 318.8MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L815] 0 pthread_t t2516; [L816] FCALL, FORK 0 pthread_create(&t2516, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L817] 0 pthread_t t2517; [L818] FCALL, FORK 0 pthread_create(&t2517, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=-2, t2517=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L819] 0 pthread_t t2518; [L820] FCALL, FORK 0 pthread_create(&t2518, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=-2, t2517=-1, t2518=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L782] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L782] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L790] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L741] 1 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L746] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L758] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L761] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L793] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L794] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L796] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=-2, t2517=-1, t2518=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L824] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L824] RET 0 assume_abort_if_not(main$tmp_guard0) [L826] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L827] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L829] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=-2, t2517=-1, t2518=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L833] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 0 y$flush_delayed = weak$$choice2 [L836] 0 y$mem_tmp = y [L837] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L838] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L839] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L840] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L841] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L843] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L845] 0 y = y$flush_delayed ? y$mem_tmp : y [L846] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=-2, t2517=-1, t2518=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L17] 0 __assert_fail ("0", "safe031_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 17.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 469 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1250 IncrementalHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 42 mSDtfsCounter, 1250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred in iteration=7, InterpolantAutomatonStates: 72, 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, 0.5s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:07:23,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/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_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/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 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:07:26,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:07:26,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 04:07:26,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:07:26,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:07:26,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:07:26,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:07:26,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:07:26,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:07:26,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:07:26,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:07:26,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:07:26,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:07:26,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:07:26,380 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:07:26,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:07:26,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:07:26,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:07:26,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:07:26,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:07:26,381 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:07:26,382 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:07:26,382 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:07:26,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:07:26,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:07:26,384 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:07:26,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:26,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:07:26,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:26,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:26,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:07:26,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:26,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:07:26,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:07:26,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:07:26,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:07:26,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:07:26,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:07:26,388 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_bb95502a-1da5-4f3b-bb74-0f71143fad83/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 -> 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad [2024-11-28 04:07:26,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:07:26,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:07:26,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:07:26,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:07:26,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:07:26,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:29,944 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/9e10ecbea/62091f85d4984621828d19e09f2a6474/FLAG7fae8a9b9 [2024-11-28 04:07:30,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:07:30,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:30,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/9e10ecbea/62091f85d4984621828d19e09f2a6474/FLAG7fae8a9b9 [2024-11-28 04:07:30,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/data/9e10ecbea/62091f85d4984621828d19e09f2a6474 [2024-11-28 04:07:30,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:07:30,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:07:30,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:30,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:07:30,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:07:30,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:30" (1/1) ... [2024-11-28 04:07:30,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae8fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:30, skipping insertion in model container [2024-11-28 04:07:30,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:30" (1/1) ... [2024-11-28 04:07:30,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:07:30,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:30,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:07:31,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:31,077 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:07:31,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31 WrapperNode [2024-11-28 04:07:31,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:31,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:31,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:07:31,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:07:31,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,171 INFO L138 Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 138 [2024-11-28 04:07:31,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:31,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:07:31,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:07:31,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:07:31,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,221 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]. [2024-11-28 04:07:31,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:07:31,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:07:31,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:07:31,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:07:31,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (1/1) ... [2024-11-28 04:07:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:31,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:07:31,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:07:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:07:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:07:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:07:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:07:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:07:31,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:07:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:07:31,322 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:07:31,497 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:07:31,500 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:07:31,925 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:07:31,925 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:07:32,255 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:07:32,255 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:07:32,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:32 BoogieIcfgContainer [2024-11-28 04:07:32,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:07:32,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:07:32,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:07:32,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:07:32,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:07:30" (1/3) ... [2024-11-28 04:07:32,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c844d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:32, skipping insertion in model container [2024-11-28 04:07:32,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:31" (2/3) ... [2024-11-28 04:07:32,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c844d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:32, skipping insertion in model container [2024-11-28 04:07:32,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:32" (3/3) ... [2024-11-28 04:07:32,270 INFO L128 eAbstractionObserver]: Analyzing ICFG safe031_power.opt_pso.opt_rmo.opt.i [2024-11-28 04:07:32,287 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:07:32,290 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe031_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 44 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 04:07:32,290 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:07:32,375 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:07:32,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-28 04:07:32,495 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-28 04:07:32,498 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:32,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-28 04:07:32,507 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-28 04:07:32,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-28 04:07:32,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:07:32,545 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;@dee7676, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:07:32,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:07:32,559 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:07:32,559 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-28 04:07:32,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:32,560 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:32,561 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:32,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:32,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:32,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2127080492, now seen corresponding path program 1 times [2024-11-28 04:07:32,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:32,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364736387] [2024-11-28 04:07:32,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:32,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:32,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:32,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:07:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:32,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:07:32,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:32,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:32,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:32,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364736387] [2024-11-28 04:07:32,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364736387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:32,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:32,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:07:32,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637925697] [2024-11-28 04:07:32,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:32,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:32,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:32,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:32,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:32,872 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 45 [2024-11-28 04:07:32,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-28 04:07:32,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:32,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 45 [2024-11-28 04:07:32,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:33,354 INFO L124 PetriNetUnfolderBase]: 407/798 cut-off events. [2024-11-28 04:07:33,356 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:33,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1461 conditions, 798 events. 407/798 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5417 event pairs, 74 based on Foata normal form. 48/832 useless extension candidates. Maximal degree in co-relation 1450. Up to 496 conditions per place. [2024-11-28 04:07:33,370 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 27 selfloop transitions, 2 changer transitions 2/49 dead transitions. [2024-11-28 04:07:33,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 49 transitions, 169 flow [2024-11-28 04:07:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:07:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-28 04:07:33,388 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-28 04:07:33,390 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 99 transitions. [2024-11-28 04:07:33,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 49 transitions, 169 flow [2024-11-28 04:07:33,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:07:33,402 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-28 04:07:33,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-28 04:07:33,412 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-28 04:07:33,412 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-28 04:07:33,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-28 04:07:33,412 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:33,413 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:33,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:07:33,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:33,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:33,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash 853273583, now seen corresponding path program 1 times [2024-11-28 04:07:33,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:33,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111729204] [2024-11-28 04:07:33,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:33,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:33,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:33,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:33,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:07:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:33,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:07:33,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:33,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:33,817 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:33,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111729204] [2024-11-28 04:07:33,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111729204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:33,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:33,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:07:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750467211] [2024-11-28 04:07:33,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:33,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:33,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:33,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:33,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-28 04:07:33,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-28 04:07:33,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:33,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-28 04:07:33,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:34,064 INFO L124 PetriNetUnfolderBase]: 361/698 cut-off events. [2024-11-28 04:07:34,066 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-28 04:07:34,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 698 events. 361/698 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4870 event pairs, 361 based on Foata normal form. 24/695 useless extension candidates. Maximal degree in co-relation 1328. Up to 570 conditions per place. [2024-11-28 04:07:34,076 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 17 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-28 04:07:34,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 120 flow [2024-11-28 04:07:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:07:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-28 04:07:34,080 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-28 04:07:34,080 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 80 transitions. [2024-11-28 04:07:34,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 120 flow [2024-11-28 04:07:34,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:07:34,084 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-28 04:07:34,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-28 04:07:34,087 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2024-11-28 04:07:34,088 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-28 04:07:34,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-28 04:07:34,088 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:34,088 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:34,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:07:34,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:34,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:34,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:34,289 INFO L85 PathProgramCache]: Analyzing trace with hash 853275069, now seen corresponding path program 1 times [2024-11-28 04:07:34,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:34,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889178233] [2024-11-28 04:07:34,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:34,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:34,293 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:34,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:07:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:34,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:07:34,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:34,471 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:34,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:34,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889178233] [2024-11-28 04:07:34,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889178233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:34,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:34,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:07:34,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930403999] [2024-11-28 04:07:34,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:34,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:34,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:34,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:34,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:07:34,479 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:34,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 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) [2024-11-28 04:07:34,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:34,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:34,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:34,888 INFO L124 PetriNetUnfolderBase]: 1014/1723 cut-off events. [2024-11-28 04:07:34,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:07:34,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3308 conditions, 1723 events. 1014/1723 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 10632 event pairs, 94 based on Foata normal form. 60/1773 useless extension candidates. Maximal degree in co-relation 3302. Up to 1015 conditions per place. [2024-11-28 04:07:34,905 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 37 selfloop transitions, 5 changer transitions 1/56 dead transitions. [2024-11-28 04:07:34,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 56 transitions, 210 flow [2024-11-28 04:07:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:07:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2024-11-28 04:07:34,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6277777777777778 [2024-11-28 04:07:34,907 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 4 states and 113 transitions. [2024-11-28 04:07:34,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 56 transitions, 210 flow [2024-11-28 04:07:34,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 209 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:07:34,909 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 111 flow [2024-11-28 04:07:34,909 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2024-11-28 04:07:34,910 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2024-11-28 04:07:34,911 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 111 flow [2024-11-28 04:07:34,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 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) [2024-11-28 04:07:34,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:34,911 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] [2024-11-28 04:07:34,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:07:35,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:35,112 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:35,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:35,113 INFO L85 PathProgramCache]: Analyzing trace with hash 284702227, now seen corresponding path program 1 times [2024-11-28 04:07:35,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:35,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95233694] [2024-11-28 04:07:35,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:35,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:35,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:35,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:07:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:35,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:07:35,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:35,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:35,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:35,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95233694] [2024-11-28 04:07:35,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95233694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:35,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:35,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:07:35,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324152357] [2024-11-28 04:07:35,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:35,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:07:35,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:35,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:07:35,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:07:35,323 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:35,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-28 04:07:35,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:35,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:35,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:35,710 INFO L124 PetriNetUnfolderBase]: 688/1193 cut-off events. [2024-11-28 04:07:35,711 INFO L125 PetriNetUnfolderBase]: For 321/321 co-relation queries the response was YES. [2024-11-28 04:07:35,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2737 conditions, 1193 events. 688/1193 cut-off events. For 321/321 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6489 event pairs, 34 based on Foata normal form. 54/1237 useless extension candidates. Maximal degree in co-relation 2728. Up to 553 conditions per place. [2024-11-28 04:07:35,719 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 46 selfloop transitions, 8 changer transitions 1/68 dead transitions. [2024-11-28 04:07:35,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 68 transitions, 302 flow [2024-11-28 04:07:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:07:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:07:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2024-11-28 04:07:35,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6311111111111111 [2024-11-28 04:07:35,721 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 111 flow. Second operand 5 states and 142 transitions. [2024-11-28 04:07:35,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 68 transitions, 302 flow [2024-11-28 04:07:35,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 68 transitions, 292 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 04:07:35,723 INFO L231 Difference]: Finished difference. Result has 52 places, 41 transitions, 151 flow [2024-11-28 04:07:35,724 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2024-11-28 04:07:35,724 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2024-11-28 04:07:35,725 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 151 flow [2024-11-28 04:07:35,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-28 04:07:35,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:35,725 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] [2024-11-28 04:07:35,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:07:35,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:35,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:35,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1229318847, now seen corresponding path program 1 times [2024-11-28 04:07:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:35,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366292713] [2024-11-28 04:07:35,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:35,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:35,932 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:35,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:07:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:36,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:07:36,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:36,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:36,167 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:36,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366292713] [2024-11-28 04:07:36,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366292713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:36,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:36,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:07:36,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798782583] [2024-11-28 04:07:36,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:36,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:36,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:36,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:36,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:36,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-28 04:07:36,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-28 04:07:36,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:36,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-28 04:07:36,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:36,534 INFO L124 PetriNetUnfolderBase]: 369/636 cut-off events. [2024-11-28 04:07:36,534 INFO L125 PetriNetUnfolderBase]: For 571/571 co-relation queries the response was YES. [2024-11-28 04:07:36,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 636 events. 369/636 cut-off events. For 571/571 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2722 event pairs, 23 based on Foata normal form. 32/658 useless extension candidates. Maximal degree in co-relation 1684. Up to 228 conditions per place. [2024-11-28 04:07:36,539 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 41 selfloop transitions, 11 changer transitions 1/66 dead transitions. [2024-11-28 04:07:36,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 66 transitions, 317 flow [2024-11-28 04:07:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:07:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2024-11-28 04:07:36,541 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5814814814814815 [2024-11-28 04:07:36,541 INFO L175 Difference]: Start difference. First operand has 52 places, 41 transitions, 151 flow. Second operand 6 states and 157 transitions. [2024-11-28 04:07:36,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 66 transitions, 317 flow [2024-11-28 04:07:36,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 292 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-28 04:07:36,546 INFO L231 Difference]: Finished difference. Result has 55 places, 41 transitions, 165 flow [2024-11-28 04:07:36,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2024-11-28 04:07:36,547 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 5 predicate places. [2024-11-28 04:07:36,547 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 165 flow [2024-11-28 04:07:36,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-28 04:07:36,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:36,547 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] [2024-11-28 04:07:36,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:07:36,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:36,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:36,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash -372475668, now seen corresponding path program 1 times [2024-11-28 04:07:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115929727] [2024-11-28 04:07:36,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:36,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:36,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:07:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:36,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:07:36,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:37,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:37,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115929727] [2024-11-28 04:07:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115929727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:37,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:37,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:07:37,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329105262] [2024-11-28 04:07:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:37,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:07:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:37,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:07:37,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:07:37,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-28 04:07:37,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 165 flow. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2024-11-28 04:07:37,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:37,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-28 04:07:37,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:38,216 INFO L124 PetriNetUnfolderBase]: 811/1366 cut-off events. [2024-11-28 04:07:38,216 INFO L125 PetriNetUnfolderBase]: For 1278/1278 co-relation queries the response was YES. [2024-11-28 04:07:38,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3660 conditions, 1366 events. 811/1366 cut-off events. For 1278/1278 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6649 event pairs, 181 based on Foata normal form. 8/1366 useless extension candidates. Maximal degree in co-relation 3648. Up to 691 conditions per place. [2024-11-28 04:07:38,227 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 40 selfloop transitions, 7 changer transitions 39/97 dead transitions. [2024-11-28 04:07:38,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 97 transitions, 543 flow [2024-11-28 04:07:38,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:07:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:07:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 216 transitions. [2024-11-28 04:07:38,229 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-11-28 04:07:38,230 INFO L175 Difference]: Start difference. First operand has 55 places, 41 transitions, 165 flow. Second operand 9 states and 216 transitions. [2024-11-28 04:07:38,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 97 transitions, 543 flow [2024-11-28 04:07:38,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 426 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-28 04:07:38,248 INFO L231 Difference]: Finished difference. Result has 61 places, 44 transitions, 153 flow [2024-11-28 04:07:38,249 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=153, PETRI_PLACES=61, PETRI_TRANSITIONS=44} [2024-11-28 04:07:38,249 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2024-11-28 04:07:38,251 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 44 transitions, 153 flow [2024-11-28 04:07:38,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2024-11-28 04:07:38,252 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:38,252 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] [2024-11-28 04:07:38,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:07:38,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:38,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:38,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1898939340, now seen corresponding path program 2 times [2024-11-28 04:07:38,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:38,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978076261] [2024-11-28 04:07:38,458 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:07:38,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:38,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:38,460 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:38,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:07:38,584 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:07:38,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:07:38,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:07:38,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:38,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:38,722 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:38,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978076261] [2024-11-28 04:07:38,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978076261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:38,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:38,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:07:38,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355360247] [2024-11-28 04:07:38,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:38,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:38,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:38,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:38,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:38,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-11-28 04:07:38,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 44 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-28 04:07:38,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:38,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-11-28 04:07:38,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:39,120 INFO L124 PetriNetUnfolderBase]: 520/1063 cut-off events. [2024-11-28 04:07:39,121 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-11-28 04:07:39,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 1063 events. 520/1063 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6234 event pairs, 223 based on Foata normal form. 8/1010 useless extension candidates. Maximal degree in co-relation 2183. Up to 474 conditions per place. [2024-11-28 04:07:39,129 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 24 selfloop transitions, 2 changer transitions 16/65 dead transitions. [2024-11-28 04:07:39,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 65 transitions, 286 flow [2024-11-28 04:07:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:07:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2024-11-28 04:07:39,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5592592592592592 [2024-11-28 04:07:39,131 INFO L175 Difference]: Start difference. First operand has 61 places, 44 transitions, 153 flow. Second operand 6 states and 151 transitions. [2024-11-28 04:07:39,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 65 transitions, 286 flow [2024-11-28 04:07:39,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 65 transitions, 260 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-28 04:07:39,134 INFO L231 Difference]: Finished difference. Result has 59 places, 44 transitions, 147 flow [2024-11-28 04:07:39,135 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=147, PETRI_PLACES=59, PETRI_TRANSITIONS=44} [2024-11-28 04:07:39,136 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places. [2024-11-28 04:07:39,136 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 44 transitions, 147 flow [2024-11-28 04:07:39,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-28 04:07:39,136 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:39,136 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] [2024-11-28 04:07:39,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:07:39,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:39,340 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:39,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:39,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1716569942, now seen corresponding path program 3 times [2024-11-28 04:07:39,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:39,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294559837] [2024-11-28 04:07:39,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:07:39,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:39,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:39,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:39,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:07:39,463 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:07:39,464 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:07:39,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:07:39,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:39,905 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:39,905 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:39,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294559837] [2024-11-28 04:07:39,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294559837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:39,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:39,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:07:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372570062] [2024-11-28 04:07:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:39,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:07:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:39,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:07:39,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:07:39,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-28 04:07:39,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 44 transitions, 147 flow. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2024-11-28 04:07:39,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:39,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-28 04:07:39,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:40,549 INFO L124 PetriNetUnfolderBase]: 542/964 cut-off events. [2024-11-28 04:07:40,551 INFO L125 PetriNetUnfolderBase]: For 204/206 co-relation queries the response was YES. [2024-11-28 04:07:40,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2213 conditions, 964 events. 542/964 cut-off events. For 204/206 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4205 event pairs, 124 based on Foata normal form. 9/966 useless extension candidates. Maximal degree in co-relation 2200. Up to 458 conditions per place. [2024-11-28 04:07:40,559 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 37 selfloop transitions, 8 changer transitions 33/89 dead transitions. [2024-11-28 04:07:40,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 89 transitions, 424 flow [2024-11-28 04:07:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:07:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:07:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 208 transitions. [2024-11-28 04:07:40,561 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5135802469135803 [2024-11-28 04:07:40,562 INFO L175 Difference]: Start difference. First operand has 59 places, 44 transitions, 147 flow. Second operand 9 states and 208 transitions. [2024-11-28 04:07:40,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 89 transitions, 424 flow [2024-11-28 04:07:40,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 89 transitions, 406 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 04:07:40,567 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 165 flow [2024-11-28 04:07:40,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=165, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2024-11-28 04:07:40,569 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 14 predicate places. [2024-11-28 04:07:40,572 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 165 flow [2024-11-28 04:07:40,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 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) [2024-11-28 04:07:40,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:40,573 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] [2024-11-28 04:07:40,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:07:40,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:40,774 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:40,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1880527546, now seen corresponding path program 4 times [2024-11-28 04:07:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:40,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537624537] [2024-11-28 04:07:40,775 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:07:40,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:40,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:40,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:07:40,896 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:07:40,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:07:40,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:07:40,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:07:41,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:41,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:41,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537624537] [2024-11-28 04:07:41,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537624537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:41,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:41,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:07:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220720505] [2024-11-28 04:07:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:41,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:07:41,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:41,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:07:41,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:07:41,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-28 04:07:41,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 165 flow. Second operand has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 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) [2024-11-28 04:07:41,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:07:41,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-28 04:07:41,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:07:41,879 INFO L124 PetriNetUnfolderBase]: 507/1028 cut-off events. [2024-11-28 04:07:41,880 INFO L125 PetriNetUnfolderBase]: For 185/192 co-relation queries the response was YES. [2024-11-28 04:07:41,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2173 conditions, 1028 events. 507/1028 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5430 event pairs, 247 based on Foata normal form. 12/980 useless extension candidates. Maximal degree in co-relation 2158. Up to 277 conditions per place. [2024-11-28 04:07:41,888 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 34 selfloop transitions, 4 changer transitions 19/81 dead transitions. [2024-11-28 04:07:41,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 81 transitions, 369 flow [2024-11-28 04:07:41,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:07:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:07:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 210 transitions. [2024-11-28 04:07:41,892 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-28 04:07:41,892 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 165 flow. Second operand 8 states and 210 transitions. [2024-11-28 04:07:41,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 81 transitions, 369 flow [2024-11-28 04:07:41,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 81 transitions, 333 flow, removed 12 selfloop flow, removed 7 redundant places. [2024-11-28 04:07:41,897 INFO L231 Difference]: Finished difference. Result has 66 places, 47 transitions, 177 flow [2024-11-28 04:07:41,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=177, PETRI_PLACES=66, PETRI_TRANSITIONS=47} [2024-11-28 04:07:41,899 INFO L279 CegarLoopForPetriNet]: 50 programPoint places, 16 predicate places. [2024-11-28 04:07:41,899 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 177 flow [2024-11-28 04:07:41,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 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) [2024-11-28 04:07:41,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:07:41,899 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] [2024-11-28 04:07:41,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:07:42,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:42,100 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 04:07:42,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1554169620, now seen corresponding path program 5 times [2024-11-28 04:07:42,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:42,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488953730] [2024-11-28 04:07:42,101 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:07:42,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:42,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:42,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:07:42,227 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:07:42,227 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 04:07:42,228 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:07:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:07:42,388 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 04:07:42,388 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:07:42,390 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-28 04:07:42,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-28 04:07:42,393 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-28 04:07:42,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 04:07:42,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-28 04:07:42,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-28 04:07:42,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-28 04:07:42,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 04:07:42,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:42,595 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2024-11-28 04:07:42,710 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:07:42,710 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:07:42,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:07:42 BasicIcfg [2024-11-28 04:07:42,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:07:42,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:07:42,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:07:42,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:07:42,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:32" (3/4) ... [2024-11-28 04:07:42,722 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:07:42,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:07:42,724 INFO L158 Benchmark]: Toolchain (without parser) took 12346.80ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 58.9MB in the beginning and 76.5MB in the end (delta: -17.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-28 04:07:42,724 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:42,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.75ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 35.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:07:42,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.37ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 32.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:42,726 INFO L158 Benchmark]: Boogie Preprocessor took 72.11ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 30.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:42,726 INFO L158 Benchmark]: RCFGBuilder took 1006.98ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 38.4MB in the end (delta: -8.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-28 04:07:42,726 INFO L158 Benchmark]: TraceAbstraction took 10458.19ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 76.5MB in the end (delta: -38.6MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-28 04:07:42,727 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 167.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 14.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:07:42,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.75ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 35.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.37ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 32.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.11ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 30.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1006.98ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 38.4MB in the end (delta: -8.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10458.19ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 76.5MB in the end (delta: -38.6MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 167.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 14.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L815] 0 pthread_t t2516; [L816] FCALL, FORK 0 pthread_create(&t2516, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L817] 0 pthread_t t2517; [L818] FCALL, FORK 0 pthread_create(&t2517, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=0, t2517=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L819] 0 pthread_t t2518; [L820] FCALL, FORK 0 pthread_create(&t2518, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516=0, t2517=1, t2518=2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L782] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L782] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L790] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L741] 1 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L746] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L758] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L761] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L793] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L794] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L796] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=0, t2517=1, t2518=2, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L824] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L824] RET 0 assume_abort_if_not(main$tmp_guard0) [L826] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L827] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L829] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=0, t2517=1, t2518=2, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L833] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 0 y$flush_delayed = weak$$choice2 [L836] 0 y$mem_tmp = y [L837] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L838] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L839] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L840] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L841] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L843] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L845] 0 y = y$flush_delayed ? y$mem_tmp : y [L846] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516=0, t2517=1, t2518=2, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L17] 0 __assert_fail ("0", "safe031_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 10.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1342 IncrementalHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 8 mSDtfsCounter, 1342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=9, InterpolantAutomatonStates: 53, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 238 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 813 SizeOfPredicates, 29 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:07:42,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb95502a-1da5-4f3b-bb74-0f71143fad83/bin/uautomizer-verify-aQ6SnzHsRB/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: UNKNOWN: Overapproximated counterexample