./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_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_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1 --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 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:25,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:25,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 05:50:25,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:25,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:25,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:25,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:25,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:25,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:25,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:25,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:25,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:25,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:25,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:25,453 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:25,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:50:25,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:25,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:25,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:25,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:25,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:25,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:25,456 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_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1 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 -> 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a [2024-12-02 05:50:25,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:25,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:25,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:25,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:25,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:25,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:28,499 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/0351ee917/b63442fbfbd64101ae3e542e4c0c570f/FLAGc0ac38885 [2024-12-02 05:50:28,718 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:28,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:28,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/0351ee917/b63442fbfbd64101ae3e542e4c0c570f/FLAGc0ac38885 [2024-12-02 05:50:28,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/0351ee917/b63442fbfbd64101ae3e542e4c0c570f [2024-12-02 05:50:28,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:28,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:28,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:28,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:28,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:28,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:28" (1/1) ... [2024-12-02 05:50:28,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a64afb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:28, skipping insertion in model container [2024-12-02 05:50:28,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:28" (1/1) ... [2024-12-02 05:50:28,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:29,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:29,076 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:29,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:29,156 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:29,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29 WrapperNode [2024-12-02 05:50:29,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:29,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:29,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:29,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:29,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,194 INFO L138 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 107 [2024-12-02 05:50:29,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:29,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:29,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:29,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:29,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,219 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]. [2024-12-02 05:50:29,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,225 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:29,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:29,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:29,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:29,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:29,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 05:50:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 05:50:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 05:50:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 05:50:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 05:50:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 05:50:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:29,284 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 05:50:29,397 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:29,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:29,653 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 05:50:29,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:29,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:29,815 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 05:50:29,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29 BoogieIcfgContainer [2024-12-02 05:50:29,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:29,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:29,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:29,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:29,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:28" (1/3) ... [2024-12-02 05:50:29,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a3eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:29, skipping insertion in model container [2024-12-02 05:50:29,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (2/3) ... [2024-12-02 05:50:29,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9a3eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:29, skipping insertion in model container [2024-12-02 05:50:29,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29" (3/3) ... [2024-12-02 05:50:29,824 INFO L128 eAbstractionObserver]: Analyzing ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:29,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:29,836 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 35 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 05:50:29,836 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 05:50:29,879 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 05:50:29,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 80 flow [2024-12-02 05:50:29,934 INFO L124 PetriNetUnfolderBase]: 2/34 cut-off events. [2024-12-02 05:50:29,936 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:29,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 34 events. 2/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2024-12-02 05:50:29,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 36 transitions, 80 flow [2024-12-02 05:50:29,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 74 flow [2024-12-02 05:50:29,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:29,960 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;@2eda2157, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:29,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 05:50:29,965 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 05:50:29,965 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-12-02 05:50:29,966 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:29,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:29,966 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:29,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1425704011, now seen corresponding path program 1 times [2024-12-02 05:50:29,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727468251] [2024-12-02 05:50:29,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:30,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727468251] [2024-12-02 05:50:30,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727468251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:30,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:30,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 05:50:30,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881481871] [2024-12-02 05:50:30,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:30,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:30,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:30,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:30,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:30,356 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 36 [2024-12-02 05:50:30,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-12-02 05:50:30,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:30,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 36 [2024-12-02 05:50:30,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:30,567 INFO L124 PetriNetUnfolderBase]: 129/306 cut-off events. [2024-12-02 05:50:30,567 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:30,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 306 events. 129/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1678 event pairs, 18 based on Foata normal form. 24/325 useless extension candidates. Maximal degree in co-relation 540. Up to 184 conditions per place. [2024-12-02 05:50:30,571 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 21 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-12-02 05:50:30,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 134 flow [2024-12-02 05:50:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-12-02 05:50:30,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-12-02 05:50:30,586 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 74 flow. Second operand 3 states and 78 transitions. [2024-12-02 05:50:30,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 134 flow [2024-12-02 05:50:30,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:30,593 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 66 flow [2024-12-02 05:50:30,596 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-12-02 05:50:30,599 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places. [2024-12-02 05:50:30,599 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 66 flow [2024-12-02 05:50:30,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-12-02 05:50:30,600 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:30,600 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:30,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:50:30,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:30,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1535347054, now seen corresponding path program 1 times [2024-12-02 05:50:30,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:30,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821386254] [2024-12-02 05:50:30,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:30,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:30,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821386254] [2024-12-02 05:50:30,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821386254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:30,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:30,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 05:50:30,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121785656] [2024-12-02 05:50:30,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:30,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:30,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:30,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:30,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:30,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 36 [2024-12-02 05:50:30,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-12-02 05:50:30,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:30,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 36 [2024-12-02 05:50:30,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:30,768 INFO L124 PetriNetUnfolderBase]: 112/277 cut-off events. [2024-12-02 05:50:30,769 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-12-02 05:50:30,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 277 events. 112/277 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1568 event pairs, 112 based on Foata normal form. 12/278 useless extension candidates. Maximal degree in co-relation 503. Up to 203 conditions per place. [2024-12-02 05:50:30,772 INFO L140 encePairwiseOnDemand]: 34/36 looper letters, 13 selfloop transitions, 1 changer transitions 1/28 dead transitions. [2024-12-02 05:50:30,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 94 flow [2024-12-02 05:50:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-12-02 05:50:30,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5648148148148148 [2024-12-02 05:50:30,773 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 66 flow. Second operand 3 states and 61 transitions. [2024-12-02 05:50:30,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 94 flow [2024-12-02 05:50:30,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:30,775 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 60 flow [2024-12-02 05:50:30,775 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2024-12-02 05:50:30,776 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, -4 predicate places. [2024-12-02 05:50:30,776 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 60 flow [2024-12-02 05:50:30,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-12-02 05:50:30,776 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:30,776 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:30,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:30,776 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:30,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:30,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1535346976, now seen corresponding path program 1 times [2024-12-02 05:50:30,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:30,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173078615] [2024-12-02 05:50:30,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:31,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:31,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173078615] [2024-12-02 05:50:31,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173078615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:31,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:31,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:31,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599790097] [2024-12-02 05:50:31,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:31,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:31,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:31,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:31,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:31,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 36 [2024-12-02 05:50:31,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 60 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:31,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:31,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 36 [2024-12-02 05:50:31,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:31,632 INFO L124 PetriNetUnfolderBase]: 391/850 cut-off events. [2024-12-02 05:50:31,632 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:31,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 850 events. 391/850 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5374 event pairs, 71 based on Foata normal form. 0/815 useless extension candidates. Maximal degree in co-relation 1557. Up to 277 conditions per place. [2024-12-02 05:50:31,639 INFO L140 encePairwiseOnDemand]: 28/36 looper letters, 26 selfloop transitions, 4 changer transitions 43/82 dead transitions. [2024-12-02 05:50:31,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 82 transitions, 318 flow [2024-12-02 05:50:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:50:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 05:50:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 183 transitions. [2024-12-02 05:50:31,643 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5648148148148148 [2024-12-02 05:50:31,643 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 60 flow. Second operand 9 states and 183 transitions. [2024-12-02 05:50:31,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 82 transitions, 318 flow [2024-12-02 05:50:31,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 82 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 05:50:31,646 INFO L231 Difference]: Finished difference. Result has 49 places, 28 transitions, 103 flow [2024-12-02 05:50:31,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=103, PETRI_PLACES=49, PETRI_TRANSITIONS=28} [2024-12-02 05:50:31,647 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-12-02 05:50:31,647 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 28 transitions, 103 flow [2024-12-02 05:50:31,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:50:31,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:31,648 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:31,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:31,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:31,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -200872545, now seen corresponding path program 1 times [2024-12-02 05:50:31,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:31,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468522134] [2024-12-02 05:50:31,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:31,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:31,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468522134] [2024-12-02 05:50:31,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468522134] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:31,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:31,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:31,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543890486] [2024-12-02 05:50:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:31,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:31,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:31,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:31,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:31,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2024-12-02 05:50:31,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 28 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-12-02 05:50:31,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:31,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2024-12-02 05:50:31,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:31,961 INFO L124 PetriNetUnfolderBase]: 282/598 cut-off events. [2024-12-02 05:50:31,962 INFO L125 PetriNetUnfolderBase]: For 480/500 co-relation queries the response was YES. [2024-12-02 05:50:31,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 598 events. 282/598 cut-off events. For 480/500 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3183 event pairs, 48 based on Foata normal form. 55/638 useless extension candidates. Maximal degree in co-relation 1414. Up to 297 conditions per place. [2024-12-02 05:50:31,964 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 31 selfloop transitions, 4 changer transitions 1/46 dead transitions. [2024-12-02 05:50:31,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 237 flow [2024-12-02 05:50:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 05:50:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-12-02 05:50:31,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6041666666666666 [2024-12-02 05:50:31,966 INFO L175 Difference]: Start difference. First operand has 49 places, 28 transitions, 103 flow. Second operand 4 states and 87 transitions. [2024-12-02 05:50:31,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 237 flow [2024-12-02 05:50:31,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 46 transitions, 213 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-12-02 05:50:31,970 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 113 flow [2024-12-02 05:50:31,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2024-12-02 05:50:31,971 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 4 predicate places. [2024-12-02 05:50:31,971 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 113 flow [2024-12-02 05:50:31,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-12-02 05:50:31,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:31,971 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:31,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:31,972 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:31,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash -866015553, now seen corresponding path program 1 times [2024-12-02 05:50:31,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:31,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877028473] [2024-12-02 05:50:31,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:31,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:32,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:32,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877028473] [2024-12-02 05:50:32,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877028473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:32,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:32,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:32,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244756553] [2024-12-02 05:50:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:32,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:32,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:32,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:32,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:32,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2024-12-02 05:50:32,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-12-02 05:50:32,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:32,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2024-12-02 05:50:32,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:32,259 INFO L124 PetriNetUnfolderBase]: 143/304 cut-off events. [2024-12-02 05:50:32,259 INFO L125 PetriNetUnfolderBase]: For 212/219 co-relation queries the response was YES. [2024-12-02 05:50:32,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 304 events. 143/304 cut-off events. For 212/219 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1215 event pairs, 23 based on Foata normal form. 33/325 useless extension candidates. Maximal degree in co-relation 801. Up to 119 conditions per place. [2024-12-02 05:50:32,261 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 23 selfloop transitions, 6 changer transitions 4/43 dead transitions. [2024-12-02 05:50:32,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 43 transitions, 218 flow [2024-12-02 05:50:32,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 05:50:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 98 transitions. [2024-12-02 05:50:32,263 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5444444444444444 [2024-12-02 05:50:32,263 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 113 flow. Second operand 5 states and 98 transitions. [2024-12-02 05:50:32,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 43 transitions, 218 flow [2024-12-02 05:50:32,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 43 transitions, 193 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-12-02 05:50:32,265 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 117 flow [2024-12-02 05:50:32,265 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=117, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2024-12-02 05:50:32,266 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 4 predicate places. [2024-12-02 05:50:32,266 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 117 flow [2024-12-02 05:50:32,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-12-02 05:50:32,266 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:32,266 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] [2024-12-02 05:50:32,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:32,266 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:32,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:32,267 INFO L85 PathProgramCache]: Analyzing trace with hash -354828759, now seen corresponding path program 1 times [2024-12-02 05:50:32,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:32,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436368084] [2024-12-02 05:50:32,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:32,322 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:32,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:50:32,385 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:50:32,386 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-12-02 05:50:32,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-12-02 05:50:32,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-12-02 05:50:32,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-12-02 05:50:32,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-12-02 05:50:32,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-12-02 05:50:32,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:50:32,388 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 05:50:32,432 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 05:50:32,432 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:32,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:32 BasicIcfg [2024-12-02 05:50:32,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:32,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:32,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:32,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:32,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29" (3/4) ... [2024-12-02 05:50:32,439 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:32,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:32,440 INFO L158 Benchmark]: Toolchain (without parser) took 3692.21ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 90.9MB in the beginning and 139.2MB in the end (delta: -48.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-12-02 05:50:32,440 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:32,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.84ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 05:50:32,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.61ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:32,441 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:32,441 INFO L158 Benchmark]: RCFGBuilder took 582.86ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 76.2MB in the end (delta: -12.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-12-02 05:50:32,442 INFO L158 Benchmark]: TraceAbstraction took 2618.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 75.7MB in the beginning and 139.2MB in the end (delta: -63.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-02 05:50:32,442 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 209.7MB. Free memory was 139.2MB in the beginning and 139.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:32,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.84ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.61ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 582.86ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 76.2MB in the end (delta: -12.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2618.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 75.7MB in the beginning and 139.2MB in the end (delta: -63.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 209.7MB. Free memory was 139.2MB in the beginning and 139.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. 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$tmp_guard1; [L715] 0 int x = 0; [L716] 0 _Bool x$flush_delayed; [L717] 0 int x$mem_tmp; [L718] 0 _Bool x$r_buff0_thd0; [L719] 0 _Bool x$r_buff0_thd1; [L720] 0 _Bool x$r_buff0_thd2; [L721] 0 _Bool x$r_buff1_thd0; [L722] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool x$r_buff1_thd2; [L724] 0 _Bool x$read_delayed; [L725] 0 int *x$read_delayed_var; [L726] 0 int x$w_buff0; [L727] 0 _Bool x$w_buff0_used; [L728] 0 int x$w_buff1; [L729] 0 _Bool x$w_buff1_used; [L731] 0 int y = 0; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L803] 0 pthread_t t2561; [L804] FCALL, FORK 0 pthread_create(&t2561, ((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, t2561=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L805] 0 pthread_t t2562; [L806] FCALL, FORK 0 pthread_create(&t2562, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2561=-2, t2562=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L767] 2 x$w_buff1 = x$w_buff0 [L768] 2 x$w_buff0 = 1 [L769] 2 x$w_buff1_used = x$w_buff0_used [L770] 2 x$w_buff0_used = (_Bool)1 [L771] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L771] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L772] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L773] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L774] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L775] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L778] 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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L737] 1 y = 2 VAL [\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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L742] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L743] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L744] 1 x$flush_delayed = weak$$choice2 [L745] 1 x$mem_tmp = x [L746] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L747] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L748] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L749] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L750] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L751] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L752] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L753] 1 __unbuffered_p0_EAX = x [L754] 1 x = x$flush_delayed ? x$mem_tmp : x [L755] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L781] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L788] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L808] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=-2, t2562=-1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L810] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L810] RET 0 assume_abort_if_not(main$tmp_guard0) [L812] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L814] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L815] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L816] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=-2, t2562=-1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=-2, t2562=-1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L18] 0 __assert_fail ("0", "safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 804]: 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: 806]: 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 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 259 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 14 mSDtfsCounter, 259 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2024-12-02 05:50:32,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/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_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1 --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 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:34,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:34,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 05:50:34,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:34,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:34,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:34,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:34,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:34,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:34,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:34,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:34,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:34,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:34,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:34,549 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:34,550 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:34,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:34,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:34,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:50:34,551 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:50:34,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:34,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:34,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:34,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:34,552 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_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1 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 -> 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a [2024-12-02 05:50:34,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:34,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:34,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:34,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:34,796 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:34,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:37,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/2bddc392a/07df98035a004acf81bb3e2f0d580207/FLAG0e4a6190b [2024-12-02 05:50:37,877 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:37,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:37,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/2bddc392a/07df98035a004acf81bb3e2f0d580207/FLAG0e4a6190b [2024-12-02 05:50:38,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/data/2bddc392a/07df98035a004acf81bb3e2f0d580207 [2024-12-02 05:50:38,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:38,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:38,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:38,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:38,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:38,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a620ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38, skipping insertion in model container [2024-12-02 05:50:38,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:38,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:38,454 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:38,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:38,533 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:38,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38 WrapperNode [2024-12-02 05:50:38,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:38,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:38,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:38,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:38,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,573 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 108 [2024-12-02 05:50:38,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:38,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:38,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:38,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:38,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,597 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]. [2024-12-02 05:50:38,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:38,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:38,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:38,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:38,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (1/1) ... [2024-12-02 05:50:38,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:38,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:38,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:38,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 05:50:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:50:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 05:50:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 05:50:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 05:50:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 05:50:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 05:50:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:38,677 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 05:50:38,785 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:38,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:39,031 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 05:50:39,031 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:39,206 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:39,206 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 05:50:39,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:39 BoogieIcfgContainer [2024-12-02 05:50:39,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:39,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:39,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:39,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:39,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:38" (1/3) ... [2024-12-02 05:50:39,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0ecb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:39, skipping insertion in model container [2024-12-02 05:50:39,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:38" (2/3) ... [2024-12-02 05:50:39,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0ecb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:39, skipping insertion in model container [2024-12-02 05:50:39,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:39" (3/3) ... [2024-12-02 05:50:39,216 INFO L128 eAbstractionObserver]: Analyzing ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 05:50:39,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:39,233 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 35 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 05:50:39,233 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 05:50:39,283 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 05:50:39,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 80 flow [2024-12-02 05:50:39,344 INFO L124 PetriNetUnfolderBase]: 2/34 cut-off events. [2024-12-02 05:50:39,346 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:39,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 34 events. 2/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2024-12-02 05:50:39,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 36 transitions, 80 flow [2024-12-02 05:50:39,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 74 flow [2024-12-02 05:50:39,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:39,371 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;@777e28da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:39,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 05:50:39,376 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 05:50:39,377 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-12-02 05:50:39,377 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:39,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:39,377 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 05:50:39,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:39,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:39,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1484870923, now seen corresponding path program 1 times [2024-12-02 05:50:39,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:39,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183209943] [2024-12-02 05:50:39,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:39,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:39,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:50:39,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:39,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:39,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:39,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183209943] [2024-12-02 05:50:39,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183209943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:39,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:39,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 05:50:39,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020523000] [2024-12-02 05:50:39,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:39,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:39,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:39,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:39,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:39,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 36 [2024-12-02 05:50:39,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-12-02 05:50:39,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:39,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 36 [2024-12-02 05:50:39,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:39,729 INFO L124 PetriNetUnfolderBase]: 129/306 cut-off events. [2024-12-02 05:50:39,729 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:39,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 306 events. 129/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1678 event pairs, 18 based on Foata normal form. 24/325 useless extension candidates. Maximal degree in co-relation 540. Up to 184 conditions per place. [2024-12-02 05:50:39,734 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 21 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-12-02 05:50:39,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 134 flow [2024-12-02 05:50:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-12-02 05:50:39,744 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-12-02 05:50:39,746 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 74 flow. Second operand 3 states and 78 transitions. [2024-12-02 05:50:39,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 134 flow [2024-12-02 05:50:39,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:39,752 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 66 flow [2024-12-02 05:50:39,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-12-02 05:50:39,756 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places. [2024-12-02 05:50:39,756 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 66 flow [2024-12-02 05:50:39,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-12-02 05:50:39,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:39,757 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:39,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:39,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:39,958 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:39,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:39,958 INFO L85 PathProgramCache]: Analyzing trace with hash 148935956, now seen corresponding path program 1 times [2024-12-02 05:50:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567945528] [2024-12-02 05:50:39,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:39,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:39,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:39,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:39,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:50:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:40,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 05:50:40,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:40,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:40,072 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567945528] [2024-12-02 05:50:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567945528] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:40,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:40,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 05:50:40,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015071517] [2024-12-02 05:50:40,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:40,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:40,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:40,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:40,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:40,076 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 36 [2024-12-02 05:50:40,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-12-02 05:50:40,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:40,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 36 [2024-12-02 05:50:40,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:40,168 INFO L124 PetriNetUnfolderBase]: 112/277 cut-off events. [2024-12-02 05:50:40,168 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-12-02 05:50:40,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 277 events. 112/277 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1578 event pairs, 112 based on Foata normal form. 12/278 useless extension candidates. Maximal degree in co-relation 503. Up to 203 conditions per place. [2024-12-02 05:50:40,171 INFO L140 encePairwiseOnDemand]: 34/36 looper letters, 13 selfloop transitions, 1 changer transitions 1/28 dead transitions. [2024-12-02 05:50:40,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 94 flow [2024-12-02 05:50:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 05:50:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-12-02 05:50:40,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5648148148148148 [2024-12-02 05:50:40,172 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 66 flow. Second operand 3 states and 61 transitions. [2024-12-02 05:50:40,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 94 flow [2024-12-02 05:50:40,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:40,174 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 60 flow [2024-12-02 05:50:40,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2024-12-02 05:50:40,175 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, -4 predicate places. [2024-12-02 05:50:40,175 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 60 flow [2024-12-02 05:50:40,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-12-02 05:50:40,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:40,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:40,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:50:40,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:40,376 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:40,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:40,377 INFO L85 PathProgramCache]: Analyzing trace with hash 148936034, now seen corresponding path program 1 times [2024-12-02 05:50:40,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:40,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183335109] [2024-12-02 05:50:40,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:40,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:40,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:50:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:40,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:40,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:40,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:40,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:40,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183335109] [2024-12-02 05:50:40,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183335109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:40,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:40,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:40,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009075244] [2024-12-02 05:50:40,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:40,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:40,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:40,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:40,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:40,499 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2024-12-02 05:50:40,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 60 flow. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-12-02 05:50:40,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:40,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2024-12-02 05:50:40,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:40,655 INFO L124 PetriNetUnfolderBase]: 161/364 cut-off events. [2024-12-02 05:50:40,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 05:50:40,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 364 events. 161/364 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1789 event pairs, 24 based on Foata normal form. 20/378 useless extension candidates. Maximal degree in co-relation 672. Up to 166 conditions per place. [2024-12-02 05:50:40,659 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 28 selfloop transitions, 4 changer transitions 1/43 dead transitions. [2024-12-02 05:50:40,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 43 transitions, 160 flow [2024-12-02 05:50:40,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 05:50:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-12-02 05:50:40,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6041666666666666 [2024-12-02 05:50:40,660 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 60 flow. Second operand 4 states and 87 transitions. [2024-12-02 05:50:40,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 43 transitions, 160 flow [2024-12-02 05:50:40,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 05:50:40,662 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 85 flow [2024-12-02 05:50:40,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=85, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2024-12-02 05:50:40,663 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2024-12-02 05:50:40,663 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 85 flow [2024-12-02 05:50:40,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-12-02 05:50:40,663 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:40,664 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:40,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 05:50:40,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:40,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:40,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:40,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1672989130, now seen corresponding path program 1 times [2024-12-02 05:50:40,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:40,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518037674] [2024-12-02 05:50:40,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:40,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:40,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:40,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 05:50:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:40,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:40,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:40,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:40,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:40,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518037674] [2024-12-02 05:50:40,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518037674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:40,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:40,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:40,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468013948] [2024-12-02 05:50:40,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:40,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:40,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:40,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:41,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 36 [2024-12-02 05:50:41,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-12-02 05:50:41,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:41,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 36 [2024-12-02 05:50:41,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:41,168 INFO L124 PetriNetUnfolderBase]: 84/191 cut-off events. [2024-12-02 05:50:41,168 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-12-02 05:50:41,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 191 events. 84/191 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 648 event pairs, 16 based on Foata normal form. 14/199 useless extension candidates. Maximal degree in co-relation 438. Up to 71 conditions per place. [2024-12-02 05:50:41,170 INFO L140 encePairwiseOnDemand]: 31/36 looper letters, 24 selfloop transitions, 6 changer transitions 1/41 dead transitions. [2024-12-02 05:50:41,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 41 transitions, 176 flow [2024-12-02 05:50:41,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 05:50:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 98 transitions. [2024-12-02 05:50:41,174 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5444444444444444 [2024-12-02 05:50:41,174 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 85 flow. Second operand 5 states and 98 transitions. [2024-12-02 05:50:41,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 41 transitions, 176 flow [2024-12-02 05:50:41,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 167 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 05:50:41,176 INFO L231 Difference]: Finished difference. Result has 42 places, 29 transitions, 101 flow [2024-12-02 05:50:41,176 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2024-12-02 05:50:41,177 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 3 predicate places. [2024-12-02 05:50:41,177 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 101 flow [2024-12-02 05:50:41,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-12-02 05:50:41,178 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:41,178 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] [2024-12-02 05:50:41,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 05:50:41,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:41,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:41,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1008309421, now seen corresponding path program 1 times [2024-12-02 05:50:41,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:41,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103927644] [2024-12-02 05:50:41,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:41,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:41,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 05:50:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:41,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:50:41,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:41,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:41,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:41,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103927644] [2024-12-02 05:50:41,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103927644] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:41,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:41,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 05:50:41,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764345831] [2024-12-02 05:50:41,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:41,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:50:41,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:41,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:50:41,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:41,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2024-12-02 05:50:41,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 101 flow. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 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) [2024-12-02 05:50:41,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:41,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2024-12-02 05:50:41,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:41,999 INFO L124 PetriNetUnfolderBase]: 185/402 cut-off events. [2024-12-02 05:50:41,999 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2024-12-02 05:50:42,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 402 events. 185/402 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1638 event pairs, 51 based on Foata normal form. 8/407 useless extension candidates. Maximal degree in co-relation 972. Up to 129 conditions per place. [2024-12-02 05:50:42,002 INFO L140 encePairwiseOnDemand]: 27/36 looper letters, 24 selfloop transitions, 7 changer transitions 40/78 dead transitions. [2024-12-02 05:50:42,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 78 transitions, 393 flow [2024-12-02 05:50:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:50:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 05:50:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 193 transitions. [2024-12-02 05:50:42,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44675925925925924 [2024-12-02 05:50:42,004 INFO L175 Difference]: Start difference. First operand has 42 places, 29 transitions, 101 flow. Second operand 12 states and 193 transitions. [2024-12-02 05:50:42,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 78 transitions, 393 flow [2024-12-02 05:50:42,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 78 transitions, 327 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-12-02 05:50:42,007 INFO L231 Difference]: Finished difference. Result has 55 places, 31 transitions, 113 flow [2024-12-02 05:50:42,007 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=113, PETRI_PLACES=55, PETRI_TRANSITIONS=31} [2024-12-02 05:50:42,008 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2024-12-02 05:50:42,008 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 31 transitions, 113 flow [2024-12-02 05:50:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 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) [2024-12-02 05:50:42,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:42,008 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] [2024-12-02 05:50:42,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 05:50:42,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:42,209 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:42,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:42,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1883529223, now seen corresponding path program 2 times [2024-12-02 05:50:42,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:42,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482420121] [2024-12-02 05:50:42,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:50:42,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:42,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:42,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:42,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 05:50:42,283 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 05:50:42,283 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:50:42,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 05:50:42,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 05:50:42,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:42,519 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:42,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482420121] [2024-12-02 05:50:42,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482420121] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:42,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:42,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 05:50:42,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767485530] [2024-12-02 05:50:42,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:42,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:50:42,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:42,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:50:42,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:42,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2024-12-02 05:50:42,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 31 transitions, 113 flow. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 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) [2024-12-02 05:50:42,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 05:50:42,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2024-12-02 05:50:42,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 05:50:42,767 INFO L124 PetriNetUnfolderBase]: 74/201 cut-off events. [2024-12-02 05:50:42,767 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-12-02 05:50:42,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 201 events. 74/201 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 681 event pairs, 10 based on Foata normal form. 4/202 useless extension candidates. Maximal degree in co-relation 448. Up to 44 conditions per place. [2024-12-02 05:50:42,768 INFO L140 encePairwiseOnDemand]: 27/36 looper letters, 17 selfloop transitions, 4 changer transitions 19/53 dead transitions. [2024-12-02 05:50:42,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 244 flow [2024-12-02 05:50:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:50:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 05:50:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 179 transitions. [2024-12-02 05:50:42,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49722222222222223 [2024-12-02 05:50:42,770 INFO L175 Difference]: Start difference. First operand has 55 places, 31 transitions, 113 flow. Second operand 10 states and 179 transitions. [2024-12-02 05:50:42,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 244 flow [2024-12-02 05:50:42,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 53 transitions, 206 flow, removed 14 selfloop flow, removed 10 redundant places. [2024-12-02 05:50:42,773 INFO L231 Difference]: Finished difference. Result has 52 places, 29 transitions, 97 flow [2024-12-02 05:50:42,773 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=97, PETRI_PLACES=52, PETRI_TRANSITIONS=29} [2024-12-02 05:50:42,774 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 13 predicate places. [2024-12-02 05:50:42,774 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 97 flow [2024-12-02 05:50:42,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 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) [2024-12-02 05:50:42,774 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 05:50:42,774 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] [2024-12-02 05:50:42,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 05:50:42,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:42,975 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-12-02 05:50:42,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:42,975 INFO L85 PathProgramCache]: Analyzing trace with hash -50974557, now seen corresponding path program 3 times [2024-12-02 05:50:42,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728686907] [2024-12-02 05:50:42,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 05:50:42,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:42,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:42,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:42,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 05:50:43,038 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 05:50:43,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 05:50:43,038 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:43,094 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 05:50:43,094 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:50:43,095 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-12-02 05:50:43,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-12-02 05:50:43,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-12-02 05:50:43,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-12-02 05:50:43,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-12-02 05:50:43,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-12-02 05:50:43,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-02 05:50:43,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:43,297 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-12-02 05:50:43,341 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 05:50:43,341 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:43,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:43 BasicIcfg [2024-12-02 05:50:43,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:43,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:43,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:43,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:43,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:39" (3/4) ... [2024-12-02 05:50:43,349 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:43,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:43,350 INFO L158 Benchmark]: Toolchain (without parser) took 5177.72ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 68.4MB in the beginning and 52.2MB in the end (delta: 16.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-12-02 05:50:43,350 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:43,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.00ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 05:50:43,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:43,351 INFO L158 Benchmark]: Boogie Preprocessor took 40.55ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:43,351 INFO L158 Benchmark]: RCFGBuilder took 592.16ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 49.5MB in the end (delta: -8.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-02 05:50:43,352 INFO L158 Benchmark]: TraceAbstraction took 4137.16ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 49.0MB in the beginning and 52.2MB in the end (delta: -3.2MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:43,352 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 134.2MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:43,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.00ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 45.8MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.55ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 592.16ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 49.5MB in the end (delta: -8.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4137.16ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 49.0MB in the beginning and 52.2MB in the end (delta: -3.2MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 134.2MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. 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; [L716] 0 _Bool x$flush_delayed; [L717] 0 int x$mem_tmp; [L718] 0 _Bool x$r_buff0_thd0; [L719] 0 _Bool x$r_buff0_thd1; [L720] 0 _Bool x$r_buff0_thd2; [L721] 0 _Bool x$r_buff1_thd0; [L722] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool x$r_buff1_thd2; [L724] 0 _Bool x$read_delayed; [L725] 0 int *x$read_delayed_var; [L726] 0 int x$w_buff0; [L727] 0 _Bool x$w_buff0_used; [L728] 0 int x$w_buff1; [L729] 0 _Bool x$w_buff1_used; [L731] 0 int y = 0; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L803] 0 pthread_t t2561; [L804] FCALL, FORK 0 pthread_create(&t2561, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2561=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L805] 0 pthread_t t2562; [L806] FCALL, FORK 0 pthread_create(&t2562, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2561=0, t2562=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L767] 2 x$w_buff1 = x$w_buff0 [L768] 2 x$w_buff0 = 1 [L769] 2 x$w_buff1_used = x$w_buff0_used [L770] 2 x$w_buff0_used = (_Bool)1 [L771] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L771] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L772] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L773] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L774] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L775] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L778] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L737] 1 y = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L742] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L743] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L744] 1 x$flush_delayed = weak$$choice2 [L745] 1 x$mem_tmp = x [L746] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L747] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L748] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L749] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L750] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L751] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L752] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L753] 1 __unbuffered_p0_EAX = x [L754] 1 x = x$flush_delayed ? x$mem_tmp : x [L755] 1 x$flush_delayed = (_Bool)0 VAL [\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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L781] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L788] 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L808] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=0, t2562=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L810] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L810] RET 0 assume_abort_if_not(main$tmp_guard0) [L812] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L814] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L815] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L816] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=0, t2562=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561=0, t2562=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L18] 0 __assert_fail ("0", "safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 804]: 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: 806]: 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 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 605 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 9 mSDtfsCounter, 605 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=5, InterpolantAutomatonStates: 37, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 13 NumberOfNonLiveVariables, 479 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-12-02 05:50:43,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffa55c-c06f-4f03-8323-8ce92435058b/bin/uautomizer-verify-84ZbGMXZE1/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