./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC --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 ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:10:58,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:10:58,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-24 02:10:58,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:10:58,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:10:58,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:10:58,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:10:58,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:10:58,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:10:58,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:10:58,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:10:58,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:10:58,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:10:58,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:10:58,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:10:58,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 02:10:58,728 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:10:58,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:10:58,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:58,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:58,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:58,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:10:58,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:10:58,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:10:58,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:10:58,732 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_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC 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 -> ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 [2024-11-24 02:10:59,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:10:59,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:10:59,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:10:59,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:10:59,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:10:59,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:02,226 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/b3c020d20/40e7b4a2a0ce4378aa8c8ee0fd4f48b8/FLAGf953c6476 [2024-11-24 02:11:02,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:11:02,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:02,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/b3c020d20/40e7b4a2a0ce4378aa8c8ee0fd4f48b8/FLAGf953c6476 [2024-11-24 02:11:02,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/b3c020d20/40e7b4a2a0ce4378aa8c8ee0fd4f48b8 [2024-11-24 02:11:02,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:11:02,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:11:02,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:11:02,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:11:02,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:11:02,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:02" (1/1) ... [2024-11-24 02:11:02,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70247a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:02, skipping insertion in model container [2024-11-24 02:11:02,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:02" (1/1) ... [2024-11-24 02:11:02,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:11:03,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:11:03,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:11:03,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:11:03,574 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:11:03,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03 WrapperNode [2024-11-24 02:11:03,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:11:03,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:11:03,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:11:03,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:11:03,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,649 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 119 [2024-11-24 02:11:03,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:11:03,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:11:03,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:11:03,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:11:03,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,661 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,678 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:11:03,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:11:03,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:11:03,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:11:03,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:11:03,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (1/1) ... [2024-11-24 02:11:03,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:11:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:03,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:11:03,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:11:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 02:11:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:11:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-24 02:11:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-24 02:11:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-24 02:11:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-24 02:11:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-24 02:11:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-24 02:11:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:11:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 02:11:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:11:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:11:03,788 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 02:11:03,976 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:11:03,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:11:04,474 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 02:11:04,475 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:11:04,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:11:04,775 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 02:11:04,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:04 BoogieIcfgContainer [2024-11-24 02:11:04,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:11:04,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:11:04,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:11:04,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:11:04,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:11:02" (1/3) ... [2024-11-24 02:11:04,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d92cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:04, skipping insertion in model container [2024-11-24 02:11:04,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:03" (2/3) ... [2024-11-24 02:11:04,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d92cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:04, skipping insertion in model container [2024-11-24 02:11:04,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:04" (3/3) ... [2024-11-24 02:11:04,789 INFO L128 eAbstractionObserver]: Analyzing ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:04,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:11:04,807 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-24 02:11:04,807 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 02:11:04,882 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 02:11:04,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-24 02:11:04,982 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-24 02:11:04,986 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:04,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-24 02:11:04,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-24 02:11:05,000 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-24 02:11:05,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:11:05,034 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;@22bdaf43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:11:05,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-24 02:11:05,040 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 02:11:05,040 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-24 02:11:05,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:05,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:05,041 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-24 02:11:05,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:05,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash 11970237, now seen corresponding path program 1 times [2024-11-24 02:11:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:05,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448219563] [2024-11-24 02:11:05,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:05,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448219563] [2024-11-24 02:11:05,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448219563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:05,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:05,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 02:11:05,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388692594] [2024-11-24 02:11:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:05,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:11:05,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:05,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:11:05,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:11:05,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-24 02:11:05,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:05,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:05,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-24 02:11:05,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:06,736 INFO L124 PetriNetUnfolderBase]: 825/1536 cut-off events. [2024-11-24 02:11:06,737 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-24 02:11:06,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2817 conditions, 1536 events. 825/1536 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10083 event pairs, 129 based on Foata normal form. 96/1622 useless extension candidates. Maximal degree in co-relation 2806. Up to 1009 conditions per place. [2024-11-24 02:11:06,765 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 33 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2024-11-24 02:11:06,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 195 flow [2024-11-24 02:11:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:11:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 02:11:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-24 02:11:06,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-24 02:11:06,790 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 99 transitions. [2024-11-24 02:11:06,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 195 flow [2024-11-24 02:11:06,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 02:11:06,801 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-24 02:11:06,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-24 02:11:06,810 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-24 02:11:06,811 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-24 02:11:06,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:06,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:06,811 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:06,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:11:06,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:06,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:06,817 INFO L85 PathProgramCache]: Analyzing trace with hash 16910950, now seen corresponding path program 1 times [2024-11-24 02:11:06,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:06,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193612049] [2024-11-24 02:11:06,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:06,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193612049] [2024-11-24 02:11:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193612049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:06,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:06,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 02:11:06,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488903440] [2024-11-24 02:11:06,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:06,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:11:06,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:06,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:11:06,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:11:06,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-24 02:11:06,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:06,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:06,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-24 02:11:06,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:07,372 INFO L124 PetriNetUnfolderBase]: 721/1385 cut-off events. [2024-11-24 02:11:07,372 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-24 02:11:07,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1385 events. 721/1385 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8937 event pairs, 721 based on Foata normal form. 48/1395 useless extension candidates. Maximal degree in co-relation 2595. Up to 1090 conditions per place. [2024-11-24 02:11:07,384 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-24 02:11:07,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-24 02:11:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:11:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 02:11:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-24 02:11:07,386 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-24 02:11:07,386 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-24 02:11:07,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-24 02:11:07,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 02:11:07,388 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-24 02:11:07,388 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-24 02:11:07,389 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-24 02:11:07,389 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-24 02:11:07,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:07,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:07,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:07,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:11:07,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:07,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:07,390 INFO L85 PathProgramCache]: Analyzing trace with hash 16912472, now seen corresponding path program 1 times [2024-11-24 02:11:07,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:07,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393250954] [2024-11-24 02:11:07,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:07,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:07,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:07,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393250954] [2024-11-24 02:11:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393250954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:07,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:07,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:07,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345630131] [2024-11-24 02:11:07,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:07,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:11:07,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:07,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:11:07,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:11:07,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-24 02:11:07,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:07,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:07,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-24 02:11:07,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:09,425 INFO L124 PetriNetUnfolderBase]: 3718/6053 cut-off events. [2024-11-24 02:11:09,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:09,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11653 conditions, 6053 events. 3718/6053 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 40987 event pairs, 833 based on Foata normal form. 0/5878 useless extension candidates. Maximal degree in co-relation 11647. Up to 2366 conditions per place. [2024-11-24 02:11:09,465 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 36 selfloop transitions, 5 changer transitions 71/122 dead transitions. [2024-11-24 02:11:09,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 122 transitions, 478 flow [2024-11-24 02:11:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:11:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-24 02:11:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 240 transitions. [2024-11-24 02:11:09,470 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2024-11-24 02:11:09,471 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 240 transitions. [2024-11-24 02:11:09,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 122 transitions, 478 flow [2024-11-24 02:11:09,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 122 transitions, 477 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 02:11:09,477 INFO L231 Difference]: Finished difference. Result has 58 places, 37 transitions, 143 flow [2024-11-24 02:11:09,478 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=143, PETRI_PLACES=58, PETRI_TRANSITIONS=37} [2024-11-24 02:11:09,478 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2024-11-24 02:11:09,479 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 37 transitions, 143 flow [2024-11-24 02:11:09,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:09,479 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:09,479 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:09,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:11:09,480 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:09,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2069166409, now seen corresponding path program 1 times [2024-11-24 02:11:09,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:09,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088549887] [2024-11-24 02:11:09,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:09,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:09,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088549887] [2024-11-24 02:11:09,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088549887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:09,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:09,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:11:09,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415325815] [2024-11-24 02:11:09,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:09,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:09,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:09,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:09,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:09,761 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:09,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 37 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:09,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:09,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:09,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:10,976 INFO L124 PetriNetUnfolderBase]: 3595/6020 cut-off events. [2024-11-24 02:11:10,976 INFO L125 PetriNetUnfolderBase]: For 3893/4133 co-relation queries the response was YES. [2024-11-24 02:11:11,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13960 conditions, 6020 events. 3595/6020 cut-off events. For 3893/4133 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 39893 event pairs, 621 based on Foata normal form. 290/6185 useless extension candidates. Maximal degree in co-relation 13945. Up to 3138 conditions per place. [2024-11-24 02:11:11,028 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 46 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-24 02:11:11,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 64 transitions, 327 flow [2024-11-24 02:11:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 02:11:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-24 02:11:11,030 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-24 02:11:11,030 INFO L175 Difference]: Start difference. First operand has 58 places, 37 transitions, 143 flow. Second operand 4 states and 110 transitions. [2024-11-24 02:11:11,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 64 transitions, 327 flow [2024-11-24 02:11:11,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 64 transitions, 297 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-24 02:11:11,060 INFO L231 Difference]: Finished difference. Result has 52 places, 41 transitions, 159 flow [2024-11-24 02:11:11,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2024-11-24 02:11:11,061 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 3 predicate places. [2024-11-24 02:11:11,061 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 159 flow [2024-11-24 02:11:11,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:11,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:11,062 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:11,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:11:11,062 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:11,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash -489641966, now seen corresponding path program 1 times [2024-11-24 02:11:11,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:11,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988317084] [2024-11-24 02:11:11,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:11,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:11,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988317084] [2024-11-24 02:11:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988317084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:11,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:11,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:11,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854980465] [2024-11-24 02:11:11,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:11,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:11:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:11,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:11:11,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:11:11,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:11,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:11,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:11,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:11,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:12,306 INFO L124 PetriNetUnfolderBase]: 2468/4131 cut-off events. [2024-11-24 02:11:12,306 INFO L125 PetriNetUnfolderBase]: For 2140/2244 co-relation queries the response was YES. [2024-11-24 02:11:12,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10465 conditions, 4131 events. 2468/4131 cut-off events. For 2140/2244 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 25303 event pairs, 373 based on Foata normal form. 204/4233 useless extension candidates. Maximal degree in co-relation 10450. Up to 1212 conditions per place. [2024-11-24 02:11:12,342 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 59 selfloop transitions, 8 changer transitions 0/80 dead transitions. [2024-11-24 02:11:12,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 80 transitions, 416 flow [2024-11-24 02:11:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:11:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 02:11:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2024-11-24 02:11:12,347 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2024-11-24 02:11:12,347 INFO L175 Difference]: Start difference. First operand has 52 places, 41 transitions, 159 flow. Second operand 5 states and 140 transitions. [2024-11-24 02:11:12,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 80 transitions, 416 flow [2024-11-24 02:11:12,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 80 transitions, 409 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-24 02:11:12,351 INFO L231 Difference]: Finished difference. Result has 55 places, 45 transitions, 207 flow [2024-11-24 02:11:12,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=207, PETRI_PLACES=55, PETRI_TRANSITIONS=45} [2024-11-24 02:11:12,353 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 6 predicate places. [2024-11-24 02:11:12,355 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 207 flow [2024-11-24 02:11:12,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:12,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:12,355 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:12,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:11:12,356 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:12,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -817229095, now seen corresponding path program 1 times [2024-11-24 02:11:12,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:12,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627945805] [2024-11-24 02:11:12,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:12,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:12,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627945805] [2024-11-24 02:11:12,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627945805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:12,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:12,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:11:12,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122982559] [2024-11-24 02:11:12,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:12,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:11:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:12,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:11:12,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:11:12,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:12,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:12,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:12,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:12,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:13,422 INFO L124 PetriNetUnfolderBase]: 1948/3207 cut-off events. [2024-11-24 02:11:13,423 INFO L125 PetriNetUnfolderBase]: For 4251/4355 co-relation queries the response was YES. [2024-11-24 02:11:13,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9312 conditions, 3207 events. 1948/3207 cut-off events. For 4251/4355 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 18959 event pairs, 339 based on Foata normal form. 92/3201 useless extension candidates. Maximal degree in co-relation 9296. Up to 1212 conditions per place. [2024-11-24 02:11:13,447 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 51 selfloop transitions, 11 changer transitions 1/76 dead transitions. [2024-11-24 02:11:13,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 76 transitions, 422 flow [2024-11-24 02:11:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:11:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 02:11:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 152 transitions. [2024-11-24 02:11:13,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5757575757575758 [2024-11-24 02:11:13,449 INFO L175 Difference]: Start difference. First operand has 55 places, 45 transitions, 207 flow. Second operand 6 states and 152 transitions. [2024-11-24 02:11:13,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 76 transitions, 422 flow [2024-11-24 02:11:13,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 76 transitions, 401 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-11-24 02:11:13,457 INFO L231 Difference]: Finished difference. Result has 60 places, 46 transitions, 231 flow [2024-11-24 02:11:13,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=231, PETRI_PLACES=60, PETRI_TRANSITIONS=46} [2024-11-24 02:11:13,458 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2024-11-24 02:11:13,458 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 46 transitions, 231 flow [2024-11-24 02:11:13,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:13,458 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:13,459 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:13,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:11:13,459 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:13,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1531266937, now seen corresponding path program 1 times [2024-11-24 02:11:13,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:13,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664754606] [2024-11-24 02:11:13,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:15,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:15,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664754606] [2024-11-24 02:11:15,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664754606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:15,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:15,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:11:15,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646481889] [2024-11-24 02:11:15,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:15,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:11:15,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:15,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:11:15,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:11:15,293 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-24 02:11:15,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 46 transitions, 231 flow. Second operand has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:15,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:15,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-24 02:11:15,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:16,271 INFO L124 PetriNetUnfolderBase]: 1441/2685 cut-off events. [2024-11-24 02:11:16,271 INFO L125 PetriNetUnfolderBase]: For 3691/4144 co-relation queries the response was YES. [2024-11-24 02:11:16,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7587 conditions, 2685 events. 1441/2685 cut-off events. For 3691/4144 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 17883 event pairs, 292 based on Foata normal form. 49/2519 useless extension candidates. Maximal degree in co-relation 7569. Up to 782 conditions per place. [2024-11-24 02:11:16,289 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 60 selfloop transitions, 17 changer transitions 15/111 dead transitions. [2024-11-24 02:11:16,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 111 transitions, 619 flow [2024-11-24 02:11:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:11:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-24 02:11:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 231 transitions. [2024-11-24 02:11:16,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-24 02:11:16,291 INFO L175 Difference]: Start difference. First operand has 60 places, 46 transitions, 231 flow. Second operand 10 states and 231 transitions. [2024-11-24 02:11:16,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 111 transitions, 619 flow [2024-11-24 02:11:16,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 111 transitions, 567 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-24 02:11:16,309 INFO L231 Difference]: Finished difference. Result has 69 places, 56 transitions, 300 flow [2024-11-24 02:11:16,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=300, PETRI_PLACES=69, PETRI_TRANSITIONS=56} [2024-11-24 02:11:16,310 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 20 predicate places. [2024-11-24 02:11:16,310 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 56 transitions, 300 flow [2024-11-24 02:11:16,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.22222222222222) internal successors, (146), 9 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:16,311 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:16,311 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:16,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:11:16,311 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:16,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash 236259601, now seen corresponding path program 2 times [2024-11-24 02:11:16,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:16,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367504165] [2024-11-24 02:11:16,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 02:11:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:16,365 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 02:11:16,365 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 02:11:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:16,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:16,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367504165] [2024-11-24 02:11:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367504165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:16,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:11:16,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24766559] [2024-11-24 02:11:16,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:16,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:11:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:16,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:11:16,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:11:16,706 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 44 [2024-11-24 02:11:16,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 56 transitions, 300 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:16,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:16,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 44 [2024-11-24 02:11:16,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:17,412 INFO L124 PetriNetUnfolderBase]: 2045/3753 cut-off events. [2024-11-24 02:11:17,413 INFO L125 PetriNetUnfolderBase]: For 4379/4974 co-relation queries the response was YES. [2024-11-24 02:11:17,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10687 conditions, 3753 events. 2045/3753 cut-off events. For 4379/4974 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 26560 event pairs, 308 based on Foata normal form. 75/3481 useless extension candidates. Maximal degree in co-relation 10666. Up to 1304 conditions per place. [2024-11-24 02:11:17,440 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 39 selfloop transitions, 13 changer transitions 30/100 dead transitions. [2024-11-24 02:11:17,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 100 transitions, 640 flow [2024-11-24 02:11:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:11:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-24 02:11:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 158 transitions. [2024-11-24 02:11:17,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2024-11-24 02:11:17,441 INFO L175 Difference]: Start difference. First operand has 69 places, 56 transitions, 300 flow. Second operand 7 states and 158 transitions. [2024-11-24 02:11:17,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 100 transitions, 640 flow [2024-11-24 02:11:17,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 100 transitions, 619 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-24 02:11:17,471 INFO L231 Difference]: Finished difference. Result has 74 places, 55 transitions, 328 flow [2024-11-24 02:11:17,472 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=328, PETRI_PLACES=74, PETRI_TRANSITIONS=55} [2024-11-24 02:11:17,472 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 25 predicate places. [2024-11-24 02:11:17,472 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 55 transitions, 328 flow [2024-11-24 02:11:17,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:17,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:17,473 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:17,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:11:17,473 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:17,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:17,474 INFO L85 PathProgramCache]: Analyzing trace with hash 909641347, now seen corresponding path program 3 times [2024-11-24 02:11:17,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:17,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346350407] [2024-11-24 02:11:17,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 02:11:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:17,627 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-24 02:11:17,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-24 02:11:17,629 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:11:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:11:17,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:11:17,819 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:11:17,820 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-24 02:11:17,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-24 02:11:17,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-24 02:11:17,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-24 02:11:17,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-24 02:11:17,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-24 02:11:17,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-24 02:11:17,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:11:17,826 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:17,930 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 02:11:17,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:11:17,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:11:17 BasicIcfg [2024-11-24 02:11:17,936 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:11:17,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:11:17,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:11:17,938 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:11:17,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:04" (3/4) ... [2024-11-24 02:11:17,940 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:11:17,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:11:17,942 INFO L158 Benchmark]: Toolchain (without parser) took 15145.87ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 91.8MB in the beginning and 165.4MB in the end (delta: -73.6MB). Peak memory consumption was 258.3MB. Max. memory is 16.1GB. [2024-11-24 02:11:17,943 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:17,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.35ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 68.3MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 02:11:17,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.96ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:17,944 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:17,944 INFO L158 Benchmark]: RCFGBuilder took 1079.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 67.8MB in the end (delta: -4.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-24 02:11:17,945 INFO L158 Benchmark]: TraceAbstraction took 13158.05ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 67.2MB in the beginning and 165.5MB in the end (delta: -98.2MB). Peak memory consumption was 227.9MB. Max. memory is 16.1GB. [2024-11-24 02:11:17,945 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 444.6MB. Free memory was 165.5MB in the beginning and 165.4MB in the end (delta: 58.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:11:17,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.35ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 68.3MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.96ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1079.87ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 67.8MB in the end (delta: -4.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13158.05ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 67.2MB in the beginning and 165.5MB in the end (delta: -98.2MB). Peak memory consumption was 227.9MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 444.6MB. Free memory was 165.5MB in the beginning and 165.4MB in the end (delta: 58.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L721] 0 int z = 0; [L722] 0 _Bool z$flush_delayed; [L723] 0 int z$mem_tmp; [L724] 0 _Bool z$r_buff0_thd0; [L725] 0 _Bool z$r_buff0_thd1; [L726] 0 _Bool z$r_buff0_thd2; [L727] 0 _Bool z$r_buff0_thd3; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1385; [L834] FCALL, FORK 0 pthread_create(&t1385, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L747] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L747] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L835] 0 pthread_t t1386; [L836] FCALL, FORK 0 pthread_create(&t1386, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-1, t1386=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L755] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L837] 0 pthread_t t1387; [L838] FCALL, FORK 0 pthread_create(&t1387, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-1, t1386=0, t1387=1, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L772] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L775] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L792] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L795] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L796] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L797] 3 z$flush_delayed = weak$$choice2 [L798] 3 z$mem_tmp = z [L799] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L800] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L801] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L802] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L805] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 __unbuffered_p2_EAX = z [L807] 3 z = z$flush_delayed ? z$mem_tmp : z [L808] 3 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L811] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L812] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L813] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L814] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L815] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-1, t1386=0, t1387=1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L846] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L847] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L848] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-1, t1386=0, t1387=1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-1, t1386=0, t1387=1, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 834]: 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: 838]: 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: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 911 IncrementalHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 43 mSDtfsCounter, 911 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=8, InterpolantAutomatonStates: 47, 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, 0.6s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 02:11:17,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/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_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC --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 ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:11:20,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:11:20,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-24 02:11:20,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:11:20,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:11:20,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:11:20,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:11:20,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:11:20,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:11:20,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:11:20,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:11:20,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:11:20,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:11:20,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:11:20,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:11:20,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:11:20,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:11:20,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:11:20,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:11:20,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:11:20,969 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:11:20,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:11:20,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:11:20,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:11:20,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:11:20,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:11:20,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:11:20,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:11:20,972 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_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC 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 -> ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 [2024-11-24 02:11:21,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:11:21,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:11:21,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:11:21,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:11:21,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:11:21,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:24,422 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/e5457dd02/920993c9c6c64aa08f9d58185d3e2905/FLAG5799d5de7 [2024-11-24 02:11:24,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:11:24,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:24,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/e5457dd02/920993c9c6c64aa08f9d58185d3e2905/FLAG5799d5de7 [2024-11-24 02:11:24,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/data/e5457dd02/920993c9c6c64aa08f9d58185d3e2905 [2024-11-24 02:11:24,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:11:24,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:11:24,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:11:24,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:11:24,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:11:24,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:24" (1/1) ... [2024-11-24 02:11:24,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a75b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:24, skipping insertion in model container [2024-11-24 02:11:24,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:24" (1/1) ... [2024-11-24 02:11:24,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:11:25,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:11:25,494 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:11:25,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:11:25,621 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:11:25,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25 WrapperNode [2024-11-24 02:11:25,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:11:25,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:11:25,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:11:25,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:11:25,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,719 INFO L138 Inliner]: procedures = 176, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 120 [2024-11-24 02:11:25,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:11:25,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:11:25,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:11:25,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:11:25,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,774 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:11:25,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:11:25,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:11:25,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:11:25,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:11:25,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (1/1) ... [2024-11-24 02:11:25,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:11:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:25,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:11:25,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:11:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 02:11:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:11:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:11:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-24 02:11:25,887 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-24 02:11:25,888 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-24 02:11:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-24 02:11:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-24 02:11:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-24 02:11:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 02:11:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:11:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:11:25,891 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 02:11:26,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:11:26,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:11:26,686 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 02:11:26,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:11:27,083 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:11:27,083 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 02:11:27,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:27 BoogieIcfgContainer [2024-11-24 02:11:27,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:11:27,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:11:27,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:11:27,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:11:27,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:11:24" (1/3) ... [2024-11-24 02:11:27,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ced538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:27, skipping insertion in model container [2024-11-24 02:11:27,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:25" (2/3) ... [2024-11-24 02:11:27,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ced538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:27, skipping insertion in model container [2024-11-24 02:11:27,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:27" (3/3) ... [2024-11-24 02:11:27,099 INFO L128 eAbstractionObserver]: Analyzing ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 02:11:27,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:11:27,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-24 02:11:27,119 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 02:11:27,207 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 02:11:27,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-24 02:11:27,295 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-24 02:11:27,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:27,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-24 02:11:27,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-24 02:11:27,311 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-24 02:11:27,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:11:27,338 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;@754d07ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:11:27,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-24 02:11:27,344 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 02:11:27,346 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-24 02:11:27,346 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:27,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:27,347 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-24 02:11:27,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:27,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:27,355 INFO L85 PathProgramCache]: Analyzing trace with hash 12031805, now seen corresponding path program 1 times [2024-11-24 02:11:27,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:27,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081354295] [2024-11-24 02:11:27,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:27,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:27,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:27,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:11:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:27,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:11:27,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:27,591 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:27,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:27,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081354295] [2024-11-24 02:11:27,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081354295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:27,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:27,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 02:11:27,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125321222] [2024-11-24 02:11:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:27,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:11:27,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:27,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:11:27,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:11:27,647 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-24 02:11:27,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:27,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:27,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-24 02:11:27,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:28,377 INFO L124 PetriNetUnfolderBase]: 825/1536 cut-off events. [2024-11-24 02:11:28,378 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-24 02:11:28,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2817 conditions, 1536 events. 825/1536 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10083 event pairs, 129 based on Foata normal form. 96/1622 useless extension candidates. Maximal degree in co-relation 2806. Up to 1009 conditions per place. [2024-11-24 02:11:28,405 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 33 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2024-11-24 02:11:28,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 195 flow [2024-11-24 02:11:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:11:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 02:11:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-24 02:11:28,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-24 02:11:28,426 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 99 transitions. [2024-11-24 02:11:28,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 195 flow [2024-11-24 02:11:28,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 02:11:28,438 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-24 02:11:28,442 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-24 02:11:28,447 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-24 02:11:28,448 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-24 02:11:28,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:28,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:28,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:28,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:11:28,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:28,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:28,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash -589786968, now seen corresponding path program 1 times [2024-11-24 02:11:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420409280] [2024-11-24 02:11:28,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:28,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:28,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:28,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:28,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:11:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:28,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:11:28,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:28,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:28,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420409280] [2024-11-24 02:11:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420409280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 02:11:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86731643] [2024-11-24 02:11:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:28,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:11:28,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:28,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:11:28,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:11:28,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-24 02:11:28,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:28,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:28,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-24 02:11:28,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:29,260 INFO L124 PetriNetUnfolderBase]: 721/1385 cut-off events. [2024-11-24 02:11:29,261 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-24 02:11:29,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1385 events. 721/1385 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8937 event pairs, 721 based on Foata normal form. 48/1395 useless extension candidates. Maximal degree in co-relation 2595. Up to 1090 conditions per place. [2024-11-24 02:11:29,274 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-24 02:11:29,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-24 02:11:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:11:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 02:11:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-24 02:11:29,278 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-24 02:11:29,278 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-24 02:11:29,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-24 02:11:29,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 02:11:29,279 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-24 02:11:29,280 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-24 02:11:29,282 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-24 02:11:29,282 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-24 02:11:29,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:29,283 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:29,283 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:29,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 02:11:29,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:29,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:29,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash -589785446, now seen corresponding path program 1 times [2024-11-24 02:11:29,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:29,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394205588] [2024-11-24 02:11:29,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:29,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:11:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:29,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:11:29,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:29,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:29,667 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:29,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394205588] [2024-11-24 02:11:29,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394205588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:29,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:29,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:11:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753347102] [2024-11-24 02:11:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:29,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:29,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:29,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:29,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:29,685 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:29,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:29,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:29,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:29,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:30,284 INFO L124 PetriNetUnfolderBase]: 1499/2611 cut-off events. [2024-11-24 02:11:30,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:11:30,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4927 conditions, 2611 events. 1499/2611 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 16544 event pairs, 188 based on Foata normal form. 100/2690 useless extension candidates. Maximal degree in co-relation 4921. Up to 1316 conditions per place. [2024-11-24 02:11:30,305 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 42 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2024-11-24 02:11:30,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 59 transitions, 226 flow [2024-11-24 02:11:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 02:11:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-24 02:11:30,307 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-24 02:11:30,307 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 110 transitions. [2024-11-24 02:11:30,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 59 transitions, 226 flow [2024-11-24 02:11:30,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 225 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 02:11:30,311 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-24 02:11:30,311 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-24 02:11:30,313 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-24 02:11:30,313 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-24 02:11:30,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:30,314 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:30,314 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:30,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 02:11:30,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:30,515 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:30,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:30,516 INFO L85 PathProgramCache]: Analyzing trace with hash -804289939, now seen corresponding path program 1 times [2024-11-24 02:11:30,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:30,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509767939] [2024-11-24 02:11:30,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:30,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:30,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:30,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:30,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 02:11:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:30,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:11:30,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:30,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:30,695 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:30,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509767939] [2024-11-24 02:11:30,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509767939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:30,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:30,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:30,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831453207] [2024-11-24 02:11:30,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:30,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:11:30,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:30,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:11:30,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:11:30,704 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:30,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:30,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:30,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:30,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:31,148 INFO L124 PetriNetUnfolderBase]: 962/1678 cut-off events. [2024-11-24 02:11:31,149 INFO L125 PetriNetUnfolderBase]: For 405/405 co-relation queries the response was YES. [2024-11-24 02:11:31,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3784 conditions, 1678 events. 962/1678 cut-off events. For 405/405 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 9231 event pairs, 100 based on Foata normal form. 82/1740 useless extension candidates. Maximal degree in co-relation 3775. Up to 581 conditions per place. [2024-11-24 02:11:31,162 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 53 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2024-11-24 02:11:31,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 73 transitions, 326 flow [2024-11-24 02:11:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:11:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 02:11:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2024-11-24 02:11:31,166 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6318181818181818 [2024-11-24 02:11:31,166 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 139 transitions. [2024-11-24 02:11:31,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 73 transitions, 326 flow [2024-11-24 02:11:31,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 73 transitions, 316 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-24 02:11:31,172 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-24 02:11:31,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-24 02:11:31,173 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-24 02:11:31,173 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-24 02:11:31,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:31,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:31,174 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:31,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 02:11:31,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:31,375 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:31,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:31,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1101492261, now seen corresponding path program 1 times [2024-11-24 02:11:31,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:31,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650250722] [2024-11-24 02:11:31,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:31,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:31,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 02:11:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:31,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:11:31,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:31,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:31,721 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650250722] [2024-11-24 02:11:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650250722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:31,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:31,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:11:31,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472126521] [2024-11-24 02:11:31,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:31,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:11:31,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:31,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:11:31,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:11:31,730 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:31,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:31,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:31,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:31,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:32,107 INFO L124 PetriNetUnfolderBase]: 569/955 cut-off events. [2024-11-24 02:11:32,107 INFO L125 PetriNetUnfolderBase]: For 756/756 co-relation queries the response was YES. [2024-11-24 02:11:32,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2470 conditions, 955 events. 569/955 cut-off events. For 756/756 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4398 event pairs, 83 based on Foata normal form. 40/975 useless extension candidates. Maximal degree in co-relation 2459. Up to 308 conditions per place. [2024-11-24 02:11:32,114 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 46 selfloop transitions, 11 changer transitions 1/69 dead transitions. [2024-11-24 02:11:32,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 333 flow [2024-11-24 02:11:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:11:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 02:11:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2024-11-24 02:11:32,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-24 02:11:32,116 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 150 transitions. [2024-11-24 02:11:32,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 333 flow [2024-11-24 02:11:32,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 308 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-24 02:11:32,123 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-24 02:11:32,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-24 02:11:32,124 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-24 02:11:32,124 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-24 02:11:32,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:32,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:32,125 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:32,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 02:11:32,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:32,329 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:32,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:32,330 INFO L85 PathProgramCache]: Analyzing trace with hash -163333319, now seen corresponding path program 1 times [2024-11-24 02:11:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:32,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297192089] [2024-11-24 02:11:32,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:32,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:32,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 02:11:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:32,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 02:11:32,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:33,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:33,037 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:33,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297192089] [2024-11-24 02:11:33,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297192089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:33,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:33,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:11:33,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888520783] [2024-11-24 02:11:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:33,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:11:33,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:33,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:11:33,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:11:33,062 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-24 02:11:33,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 10 states, 10 states have (on average 18.8) internal successors, (188), 10 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:33,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:33,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-24 02:11:33,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:33,747 INFO L124 PetriNetUnfolderBase]: 477/915 cut-off events. [2024-11-24 02:11:33,747 INFO L125 PetriNetUnfolderBase]: For 476/496 co-relation queries the response was YES. [2024-11-24 02:11:33,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 915 events. 477/915 cut-off events. For 476/496 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4682 event pairs, 98 based on Foata normal form. 8/888 useless extension candidates. Maximal degree in co-relation 2146. Up to 256 conditions per place. [2024-11-24 02:11:33,753 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 33 selfloop transitions, 4 changer transitions 28/84 dead transitions. [2024-11-24 02:11:33,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 84 transitions, 401 flow [2024-11-24 02:11:33,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:11:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-24 02:11:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 236 transitions. [2024-11-24 02:11:33,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5363636363636364 [2024-11-24 02:11:33,755 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 10 states and 236 transitions. [2024-11-24 02:11:33,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 84 transitions, 401 flow [2024-11-24 02:11:33,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 84 transitions, 334 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-24 02:11:33,760 INFO L231 Difference]: Finished difference. Result has 60 places, 40 transitions, 127 flow [2024-11-24 02:11:33,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=127, PETRI_PLACES=60, PETRI_TRANSITIONS=40} [2024-11-24 02:11:33,761 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2024-11-24 02:11:33,762 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 40 transitions, 127 flow [2024-11-24 02:11:33,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.8) internal successors, (188), 10 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:33,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:33,762 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:33,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 02:11:33,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:33,963 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:33,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash -947029947, now seen corresponding path program 2 times [2024-11-24 02:11:33,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:33,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870192087] [2024-11-24 02:11:33,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 02:11:33,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:33,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:33,968 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:33,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 02:11:34,075 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 02:11:34,075 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 02:11:34,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 02:11:34,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:34,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:34,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:34,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870192087] [2024-11-24 02:11:34,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870192087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:34,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:34,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:11:34,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673274977] [2024-11-24 02:11:34,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:34,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:11:34,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:34,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:11:34,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:11:34,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-24 02:11:34,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 40 transitions, 127 flow. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:34,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:34,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-24 02:11:34,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:34,608 INFO L124 PetriNetUnfolderBase]: 717/1341 cut-off events. [2024-11-24 02:11:34,608 INFO L125 PetriNetUnfolderBase]: For 262/266 co-relation queries the response was YES. [2024-11-24 02:11:34,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 1341 events. 717/1341 cut-off events. For 262/266 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7442 event pairs, 305 based on Foata normal form. 8/1289 useless extension candidates. Maximal degree in co-relation 2916. Up to 625 conditions per place. [2024-11-24 02:11:34,616 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 31 selfloop transitions, 2 changer transitions 17/67 dead transitions. [2024-11-24 02:11:34,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 300 flow [2024-11-24 02:11:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:11:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 02:11:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 141 transitions. [2024-11-24 02:11:34,623 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5340909090909091 [2024-11-24 02:11:34,624 INFO L175 Difference]: Start difference. First operand has 60 places, 40 transitions, 127 flow. Second operand 6 states and 141 transitions. [2024-11-24 02:11:34,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 300 flow [2024-11-24 02:11:34,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 274 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-11-24 02:11:34,631 INFO L231 Difference]: Finished difference. Result has 56 places, 40 transitions, 125 flow [2024-11-24 02:11:34,632 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=40} [2024-11-24 02:11:34,632 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2024-11-24 02:11:34,636 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 40 transitions, 125 flow [2024-11-24 02:11:34,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:34,636 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:34,636 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:34,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-24 02:11:34,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:34,837 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:34,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1711899731, now seen corresponding path program 3 times [2024-11-24 02:11:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241762212] [2024-11-24 02:11:34,839 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 02:11:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:34,843 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:34,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 02:11:34,955 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-24 02:11:34,956 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 02:11:34,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:11:34,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:11:35,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:11:35,176 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:11:35,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241762212] [2024-11-24 02:11:35,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241762212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:35,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:35,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:11:35,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830086409] [2024-11-24 02:11:35,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:35,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:11:35,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:11:35,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:11:35,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:11:35,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2024-11-24 02:11:35,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 40 transitions, 125 flow. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:35,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:11:35,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2024-11-24 02:11:35,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 02:11:35,876 INFO L124 PetriNetUnfolderBase]: 907/1504 cut-off events. [2024-11-24 02:11:35,877 INFO L125 PetriNetUnfolderBase]: For 302/302 co-relation queries the response was YES. [2024-11-24 02:11:35,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3407 conditions, 1504 events. 907/1504 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6692 event pairs, 222 based on Foata normal form. 8/1508 useless extension candidates. Maximal degree in co-relation 3395. Up to 767 conditions per place. [2024-11-24 02:11:35,886 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 40 selfloop transitions, 6 changer transitions 41/95 dead transitions. [2024-11-24 02:11:35,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 95 transitions, 453 flow [2024-11-24 02:11:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:11:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-24 02:11:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2024-11-24 02:11:35,888 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4797979797979798 [2024-11-24 02:11:35,888 INFO L175 Difference]: Start difference. First operand has 56 places, 40 transitions, 125 flow. Second operand 9 states and 190 transitions. [2024-11-24 02:11:35,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 95 transitions, 453 flow [2024-11-24 02:11:35,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 95 transitions, 435 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-24 02:11:35,893 INFO L231 Difference]: Finished difference. Result has 62 places, 42 transitions, 150 flow [2024-11-24 02:11:35,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=42} [2024-11-24 02:11:35,896 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2024-11-24 02:11:35,897 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 42 transitions, 150 flow [2024-11-24 02:11:35,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:11:35,898 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:11:35,898 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:35,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 02:11:36,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:36,100 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-24 02:11:36,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash 384734071, now seen corresponding path program 4 times [2024-11-24 02:11:36,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:11:36,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871873129] [2024-11-24 02:11:36,101 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 02:11:36,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:36,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:36,104 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:36,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 02:11:36,211 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 02:11:36,211 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-24 02:11:36,211 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:11:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:11:36,302 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 02:11:36,302 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:11:36,303 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-24 02:11:36,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-24 02:11:36,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-24 02:11:36,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-24 02:11:36,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-24 02:11:36,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-24 02:11:36,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-24 02:11:36,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 02:11:36,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:36,510 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-24 02:11:36,625 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 02:11:36,625 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:11:36,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:11:36 BasicIcfg [2024-11-24 02:11:36,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:11:36,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:11:36,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:11:36,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:11:36,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:27" (3/4) ... [2024-11-24 02:11:36,638 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:11:36,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:11:36,640 INFO L158 Benchmark]: Toolchain (without parser) took 11761.44ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 59.7MB in the beginning and 61.7MB in the end (delta: -2.0MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2024-11-24 02:11:36,640 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:36,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.52ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 36.1MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:11:36,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.36ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:36,642 INFO L158 Benchmark]: Boogie Preprocessor took 81.41ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 31.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:36,643 INFO L158 Benchmark]: RCFGBuilder took 1278.36ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 37.5MB in the end (delta: -6.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-24 02:11:36,643 INFO L158 Benchmark]: TraceAbstraction took 9546.23ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 37.0MB in the beginning and 61.7MB in the end (delta: -24.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2024-11-24 02:11:36,644 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 176.2MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 14.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:11:36,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.52ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 36.1MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.36ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.41ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 31.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1278.36ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 37.5MB in the end (delta: -6.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9546.23ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 37.0MB in the beginning and 61.7MB in the end (delta: -24.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 176.2MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 14.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L721] 0 int z = 0; [L722] 0 _Bool z$flush_delayed; [L723] 0 int z$mem_tmp; [L724] 0 _Bool z$r_buff0_thd0; [L725] 0 _Bool z$r_buff0_thd1; [L726] 0 _Bool z$r_buff0_thd2; [L727] 0 _Bool z$r_buff0_thd3; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1385; [L834] FCALL, FORK 0 pthread_create(&t1385, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L747] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L747] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L835] 0 pthread_t t1386; [L836] FCALL, FORK 0 pthread_create(&t1386, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-2, t1386=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L755] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L772] 2 x = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L775] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L837] 0 pthread_t t1387; [L838] FCALL, FORK 0 pthread_create(&t1387, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1385=-2, t1386=-1, t1387=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L792] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L795] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L796] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L797] 3 z$flush_delayed = weak$$choice2 [L798] 3 z$mem_tmp = z [L799] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L800] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L801] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L802] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L805] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 __unbuffered_p2_EAX = z [L807] 3 z = z$flush_delayed ? z$mem_tmp : z [L808] 3 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L811] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L812] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L813] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L814] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L815] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-2, t1386=-1, t1387=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L846] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L847] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L848] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-2, t1386=-1, t1387=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1385=-2, t1386=-1, t1387=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 834]: 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: 838]: 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: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 358 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1230 IncrementalHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 4 mSDtfsCounter, 1230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=5, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 661 SizeOfPredicates, 22 NumberOfNonLiveVariables, 808 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 02:11:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d87b5d06-f7e7-4600-ade0-5be4604c5c5b/bin/uautomizer-verify-LYvppIcaGC/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