./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68631ae83b11f8573706de51209bda75798bffba6e8c7fbfd0f4547966fed62e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:10,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:11,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 12:28:11,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:11,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:11,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:11,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:11,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:11,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:11,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:11,063 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:11,064 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:11,065 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:11,065 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:11,069 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:11,070 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:11,070 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:11,071 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:11,071 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:11,071 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:11,072 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:11,074 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:11,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:28:11,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:28:11,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:11,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:11,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:11,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:11,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:11,078 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:28:11,079 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:28:11,080 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:28:11,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:11,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:11,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:11,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:28:11,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:11,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:11,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:11,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:11,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:11,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:11,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:11,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:11,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:11,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:11,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:11,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:11,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:11,087 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68631ae83b11f8573706de51209bda75798bffba6e8c7fbfd0f4547966fed62e [2024-11-02 12:28:11,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:11,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:11,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:11,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:11,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:11,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i Unable to find full path for "g++" [2024-11-02 12:28:13,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:13,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:13,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i [2024-11-02 12:28:13,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/374ee10ce/2770a1b266a24281bafef0df95ef74a4/FLAG9b9849136 [2024-11-02 12:28:13,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/374ee10ce/2770a1b266a24281bafef0df95ef74a4 [2024-11-02 12:28:13,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:13,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:13,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:13,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:13,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:13,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:13" (1/1) ... [2024-11-02 12:28:13,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c630f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:13, skipping insertion in model container [2024-11-02 12:28:13,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:13" (1/1) ... [2024-11-02 12:28:13,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:14,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:14,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:14,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:14,543 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:14,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14 WrapperNode [2024-11-02 12:28:14,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:14,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:14,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:14,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:14,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,618 INFO L138 Inliner]: procedures = 175, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-11-02 12:28:14,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:14,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:14,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:14,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:14,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:14,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:14,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:14,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:14,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (1/1) ... [2024-11-02 12:28:14,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:14,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:14,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:14,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:28:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:28:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 12:28:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 12:28:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 12:28:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 12:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-02 12:28:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-02 12:28:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:28:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:14,763 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:28:14,949 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:14,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:15,662 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:28:15,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:16,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:16,327 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:28:16,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:16 BoogieIcfgContainer [2024-11-02 12:28:16,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:16,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:16,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:16,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:16,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:13" (1/3) ... [2024-11-02 12:28:16,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300f2da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:16, skipping insertion in model container [2024-11-02 12:28:16,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:14" (2/3) ... [2024-11-02 12:28:16,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300f2da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:16, skipping insertion in model container [2024-11-02 12:28:16,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:16" (3/3) ... [2024-11-02 12:28:16,343 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_rmo.oepc.i [2024-11-02 12:28:16,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:16,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-02 12:28:16,365 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:28:16,486 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 12:28:16,522 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 67 transitions, 146 flow [2024-11-02 12:28:18,611 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 36510 states, 35692 states have (on average 3.852151742687437) internal successors, (137491), 36509 states have internal predecessors, (137491), 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) [2024-11-02 12:28:18,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:18,770 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=FINITE_AUTOMATA, 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;@526f0249, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:18,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2024-11-02 12:28:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 36510 states, 35692 states have (on average 3.852151742687437) internal successors, (137491), 36509 states have internal predecessors, (137491), 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) [2024-11-02 12:28:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:28:18,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:18,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:28:18,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:18,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash 18640882, now seen corresponding path program 1 times [2024-11-02 12:28:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:19,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649835633] [2024-11-02 12:28:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:19,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:19,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:19,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649835633] [2024-11-02 12:28:19,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649835633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:19,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:19,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:28:19,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532238306] [2024-11-02 12:28:19,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:19,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:19,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:19,667 INFO L87 Difference]: Start difference. First operand has 36510 states, 35692 states have (on average 3.852151742687437) internal successors, (137491), 36509 states have internal predecessors, (137491), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-02 12:28:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:21,004 INFO L93 Difference]: Finished difference Result 38645 states and 148414 transitions. [2024-11-02 12:28:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:21,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-02 12:28:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:21,415 INFO L225 Difference]: With dead ends: 38645 [2024-11-02 12:28:21,415 INFO L226 Difference]: Without dead ends: 10105 [2024-11-02 12:28:21,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:21,490 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:21,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 16 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:28:21,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10105 states. [2024-11-02 12:28:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10105 to 10105. [2024-11-02 12:28:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10105 states, 10050 states have (on average 3.580597014925373) internal successors, (35985), 10104 states have internal predecessors, (35985), 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) [2024-11-02 12:28:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 35985 transitions. [2024-11-02 12:28:22,313 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 35985 transitions. Word has length 4 [2024-11-02 12:28:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:22,313 INFO L471 AbstractCegarLoop]: Abstraction has 10105 states and 35985 transitions. [2024-11-02 12:28:22,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-02 12:28:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 35985 transitions. [2024-11-02 12:28:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:28:22,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:22,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:28:22,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:28:22,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:22,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:22,325 INFO L85 PathProgramCache]: Analyzing trace with hash 18640883, now seen corresponding path program 1 times [2024-11-02 12:28:22,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:22,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399871964] [2024-11-02 12:28:22,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:22,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:22,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:22,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399871964] [2024-11-02 12:28:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399871964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:22,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:22,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:28:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785321510] [2024-11-02 12:28:22,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:22,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:22,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:22,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:22,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:22,474 INFO L87 Difference]: Start difference. First operand 10105 states and 35985 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-02 12:28:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:22,736 INFO L93 Difference]: Finished difference Result 10105 states and 35985 transitions. [2024-11-02 12:28:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:22,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-02 12:28:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:22,817 INFO L225 Difference]: With dead ends: 10105 [2024-11-02 12:28:22,817 INFO L226 Difference]: Without dead ends: 5259 [2024-11-02 12:28:22,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:22,833 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:22,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:22,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5259 states. [2024-11-02 12:28:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5259 to 5259. [2024-11-02 12:28:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5259 states, 5255 states have (on average 3.487345385347288) internal successors, (18326), 5258 states have internal predecessors, (18326), 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) [2024-11-02 12:28:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 18326 transitions. [2024-11-02 12:28:23,175 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 18326 transitions. Word has length 4 [2024-11-02 12:28:23,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:23,176 INFO L471 AbstractCegarLoop]: Abstraction has 5259 states and 18326 transitions. [2024-11-02 12:28:23,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-02 12:28:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 18326 transitions. [2024-11-02 12:28:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-02 12:28:23,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:23,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:23,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:28:23,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:23,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:23,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1166364976, now seen corresponding path program 1 times [2024-11-02 12:28:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:23,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798890882] [2024-11-02 12:28:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:23,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798890882] [2024-11-02 12:28:23,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798890882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:23,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:23,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:28:23,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484243227] [2024-11-02 12:28:23,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:23,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:23,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:23,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:23,381 INFO L87 Difference]: Start difference. First operand 5259 states and 18326 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-02 12:28:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:23,586 INFO L93 Difference]: Finished difference Result 5749 states and 19558 transitions. [2024-11-02 12:28:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:23,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2024-11-02 12:28:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:23,647 INFO L225 Difference]: With dead ends: 5749 [2024-11-02 12:28:23,648 INFO L226 Difference]: Without dead ends: 5063 [2024-11-02 12:28:23,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:23,654 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:23,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 33 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5063 states. [2024-11-02 12:28:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5063 to 5063. [2024-11-02 12:28:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5063 states, 5059 states have (on average 3.4785530737299863) internal successors, (17598), 5062 states have internal predecessors, (17598), 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) [2024-11-02 12:28:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 17598 transitions. [2024-11-02 12:28:24,070 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 17598 transitions. Word has length 11 [2024-11-02 12:28:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:24,071 INFO L471 AbstractCegarLoop]: Abstraction has 5063 states and 17598 transitions. [2024-11-02 12:28:24,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-02 12:28:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 17598 transitions. [2024-11-02 12:28:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:28:24,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:24,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:24,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:28:24,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:24,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:24,078 INFO L85 PathProgramCache]: Analyzing trace with hash 280212061, now seen corresponding path program 1 times [2024-11-02 12:28:24,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963404423] [2024-11-02 12:28:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:24,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:24,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:24,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963404423] [2024-11-02 12:28:24,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963404423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:24,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:24,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:24,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580604710] [2024-11-02 12:28:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:24,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:24,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:24,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:24,273 INFO L87 Difference]: Start difference. First operand 5063 states and 17598 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-02 12:28:24,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:24,463 INFO L93 Difference]: Finished difference Result 5063 states and 17598 transitions. [2024-11-02 12:28:24,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:24,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2024-11-02 12:28:24,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:24,536 INFO L225 Difference]: With dead ends: 5063 [2024-11-02 12:28:24,537 INFO L226 Difference]: Without dead ends: 4818 [2024-11-02 12:28:24,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:24,546 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 53 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:24,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 42 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4818 states. [2024-11-02 12:28:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4818 to 4818. [2024-11-02 12:28:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4818 states, 4815 states have (on average 3.47601246105919) internal successors, (16737), 4817 states have internal predecessors, (16737), 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) [2024-11-02 12:28:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 16737 transitions. [2024-11-02 12:28:24,844 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 16737 transitions. Word has length 13 [2024-11-02 12:28:24,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:24,845 INFO L471 AbstractCegarLoop]: Abstraction has 4818 states and 16737 transitions. [2024-11-02 12:28:24,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-02 12:28:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 16737 transitions. [2024-11-02 12:28:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:28:24,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:24,850 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:24,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:28:24,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:24,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash 280212062, now seen corresponding path program 1 times [2024-11-02 12:28:24,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:24,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650353883] [2024-11-02 12:28:24,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:25,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:25,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650353883] [2024-11-02 12:28:25,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650353883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:25,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:25,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088972933] [2024-11-02 12:28:25,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:25,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:25,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:25,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:25,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:25,332 INFO L87 Difference]: Start difference. First operand 4818 states and 16737 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 12:28:25,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:25,524 INFO L93 Difference]: Finished difference Result 4818 states and 16737 transitions. [2024-11-02 12:28:25,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:28:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2024-11-02 12:28:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:25,581 INFO L225 Difference]: With dead ends: 4818 [2024-11-02 12:28:25,581 INFO L226 Difference]: Without dead ends: 4573 [2024-11-02 12:28:25,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:25,585 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 57 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:25,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 44 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:25,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2024-11-02 12:28:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 4573. [2024-11-02 12:28:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4573 states, 4571 states have (on average 3.4732006125574273) internal successors, (15876), 4572 states have internal predecessors, (15876), 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) [2024-11-02 12:28:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4573 states to 4573 states and 15876 transitions. [2024-11-02 12:28:25,826 INFO L78 Accepts]: Start accepts. Automaton has 4573 states and 15876 transitions. Word has length 13 [2024-11-02 12:28:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:25,827 INFO L471 AbstractCegarLoop]: Abstraction has 4573 states and 15876 transitions. [2024-11-02 12:28:25,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-02 12:28:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4573 states and 15876 transitions. [2024-11-02 12:28:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 12:28:25,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:25,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:25,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:28:25,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:25,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:25,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1911519477, now seen corresponding path program 1 times [2024-11-02 12:28:25,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:25,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8638469] [2024-11-02 12:28:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:25,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:25,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:25,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8638469] [2024-11-02 12:28:25,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8638469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:25,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:25,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 12:28:25,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128725312] [2024-11-02 12:28:25,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:25,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:25,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:25,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:25,909 INFO L87 Difference]: Start difference. First operand 4573 states and 15876 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-02 12:28:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:26,001 INFO L93 Difference]: Finished difference Result 4573 states and 15876 transitions. [2024-11-02 12:28:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:28:26,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) Word has length 15 [2024-11-02 12:28:26,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:26,049 INFO L225 Difference]: With dead ends: 4573 [2024-11-02 12:28:26,049 INFO L226 Difference]: Without dead ends: 3544 [2024-11-02 12:28:26,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:26,056 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:26,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 16 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:26,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2024-11-02 12:28:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3544. [2024-11-02 12:28:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 3543 states have (on average 3.4436917866215073) internal successors, (12201), 3543 states have internal predecessors, (12201), 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) [2024-11-02 12:28:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 12201 transitions. [2024-11-02 12:28:26,234 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 12201 transitions. Word has length 15 [2024-11-02 12:28:26,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:26,234 INFO L471 AbstractCegarLoop]: Abstraction has 3544 states and 12201 transitions. [2024-11-02 12:28:26,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-02 12:28:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 12201 transitions. [2024-11-02 12:28:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 12:28:26,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:26,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:26,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:28:26,240 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:26,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1911520322, now seen corresponding path program 1 times [2024-11-02 12:28:26,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:26,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810399960] [2024-11-02 12:28:26,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:26,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:26,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:26,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810399960] [2024-11-02 12:28:26,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810399960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:26,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:26,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:26,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12955465] [2024-11-02 12:28:26,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:26,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:26,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:26,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:26,522 INFO L87 Difference]: Start difference. First operand 3544 states and 12201 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-02 12:28:26,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:26,703 INFO L93 Difference]: Finished difference Result 5288 states and 17783 transitions. [2024-11-02 12:28:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:28:26,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2024-11-02 12:28:26,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:26,744 INFO L225 Difference]: With dead ends: 5288 [2024-11-02 12:28:26,744 INFO L226 Difference]: Without dead ends: 2544 [2024-11-02 12:28:26,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:26,755 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 57 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:26,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 36 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2024-11-02 12:28:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2024-11-02 12:28:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2543 states have (on average 3.2249311836413685) internal successors, (8201), 2543 states have internal predecessors, (8201), 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) [2024-11-02 12:28:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 8201 transitions. [2024-11-02 12:28:26,887 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 8201 transitions. Word has length 15 [2024-11-02 12:28:26,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:26,888 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 8201 transitions. [2024-11-02 12:28:26,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-02 12:28:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 8201 transitions. [2024-11-02 12:28:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-02 12:28:26,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:26,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:26,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 12:28:26,895 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:26,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:26,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1879791612, now seen corresponding path program 1 times [2024-11-02 12:28:26,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:26,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554967667] [2024-11-02 12:28:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:27,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:27,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554967667] [2024-11-02 12:28:27,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554967667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:27,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:27,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:28:27,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152410021] [2024-11-02 12:28:27,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:27,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:28:27,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:27,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:28:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:27,335 INFO L87 Difference]: Start difference. First operand 2544 states and 8201 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-02 12:28:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:27,544 INFO L93 Difference]: Finished difference Result 3088 states and 9733 transitions. [2024-11-02 12:28:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:28:27,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 20 [2024-11-02 12:28:27,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:27,577 INFO L225 Difference]: With dead ends: 3088 [2024-11-02 12:28:27,577 INFO L226 Difference]: Without dead ends: 1344 [2024-11-02 12:28:27,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:28:27,583 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 102 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:27,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 45 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:27,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-02 12:28:27,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1344. [2024-11-02 12:28:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1343 states have (on average 2.979151154132539) internal successors, (4001), 1343 states have internal predecessors, (4001), 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) [2024-11-02 12:28:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 4001 transitions. [2024-11-02 12:28:27,661 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 4001 transitions. Word has length 20 [2024-11-02 12:28:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 4001 transitions. [2024-11-02 12:28:27,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-02 12:28:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 4001 transitions. [2024-11-02 12:28:27,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 12:28:27,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:27,666 INFO L215 NwaCegarLoop]: 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] [2024-11-02 12:28:27,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 12:28:27,667 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:27,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:27,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1923423826, now seen corresponding path program 1 times [2024-11-02 12:28:27,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:27,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905937746] [2024-11-02 12:28:27,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:28,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:28:28,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905937746] [2024-11-02 12:28:28,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905937746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:28,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:28,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:28:28,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412955793] [2024-11-02 12:28:28,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:28,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:28,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:28:28,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:28,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:28,083 INFO L87 Difference]: Start difference. First operand 1344 states and 4001 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-02 12:28:28,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:28,292 INFO L93 Difference]: Finished difference Result 1408 states and 4153 transitions. [2024-11-02 12:28:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:28:28,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) Word has length 25 [2024-11-02 12:28:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:28,322 INFO L225 Difference]: With dead ends: 1408 [2024-11-02 12:28:28,323 INFO L226 Difference]: Without dead ends: 864 [2024-11-02 12:28:28,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:28:28,325 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 135 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:28,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 33 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:28:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-02 12:28:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-02 12:28:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 863 states have (on average 2.9675550405561992) internal successors, (2561), 863 states have internal predecessors, (2561), 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) [2024-11-02 12:28:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2561 transitions. [2024-11-02 12:28:28,388 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2561 transitions. Word has length 25 [2024-11-02 12:28:28,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:28,389 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 2561 transitions. [2024-11-02 12:28:28,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-02 12:28:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2561 transitions. [2024-11-02 12:28:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-02 12:28:28,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:28,393 INFO L215 NwaCegarLoop]: 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] [2024-11-02 12:28:28,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 12:28:28,394 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2024-11-02 12:28:28,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash -883519248, now seen corresponding path program 1 times [2024-11-02 12:28:28,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:28,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440643770] [2024-11-02 12:28:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:28,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:28,763 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:28,764 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:28,765 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (46 of 47 remaining) [2024-11-02 12:28:28,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 47 remaining) [2024-11-02 12:28:28,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 47 remaining) [2024-11-02 12:28:28,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 47 remaining) [2024-11-02 12:28:28,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 47 remaining) [2024-11-02 12:28:28,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 47 remaining) [2024-11-02 12:28:28,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 47 remaining) [2024-11-02 12:28:28,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 47 remaining) [2024-11-02 12:28:28,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 47 remaining) [2024-11-02 12:28:28,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 47 remaining) [2024-11-02 12:28:28,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 47 remaining) [2024-11-02 12:28:28,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 47 remaining) [2024-11-02 12:28:28,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 47 remaining) [2024-11-02 12:28:28,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 47 remaining) [2024-11-02 12:28:28,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 47 remaining) [2024-11-02 12:28:28,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 47 remaining) [2024-11-02 12:28:28,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 47 remaining) [2024-11-02 12:28:28,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 47 remaining) [2024-11-02 12:28:28,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 47 remaining) [2024-11-02 12:28:28,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 47 remaining) [2024-11-02 12:28:28,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 47 remaining) [2024-11-02 12:28:28,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 47 remaining) [2024-11-02 12:28:28,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 47 remaining) [2024-11-02 12:28:28,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 47 remaining) [2024-11-02 12:28:28,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 47 remaining) [2024-11-02 12:28:28,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (21 of 47 remaining) [2024-11-02 12:28:28,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 47 remaining) [2024-11-02 12:28:28,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 47 remaining) [2024-11-02 12:28:28,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 47 remaining) [2024-11-02 12:28:28,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 47 remaining) [2024-11-02 12:28:28,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 47 remaining) [2024-11-02 12:28:28,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 47 remaining) [2024-11-02 12:28:28,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 47 remaining) [2024-11-02 12:28:28,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 47 remaining) [2024-11-02 12:28:28,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 47 remaining) [2024-11-02 12:28:28,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 47 remaining) [2024-11-02 12:28:28,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 47 remaining) [2024-11-02 12:28:28,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 47 remaining) [2024-11-02 12:28:28,778 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 47 remaining) [2024-11-02 12:28:28,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 47 remaining) [2024-11-02 12:28:28,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 47 remaining) [2024-11-02 12:28:28,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 47 remaining) [2024-11-02 12:28:28,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 47 remaining) [2024-11-02 12:28:28,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 47 remaining) [2024-11-02 12:28:28,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 47 remaining) [2024-11-02 12:28:28,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 47 remaining) [2024-11-02 12:28:28,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 47 remaining) [2024-11-02 12:28:28,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-02 12:28:28,785 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:28,985 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 12:28:28,985 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:28,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:28 BasicIcfg [2024-11-02 12:28:28,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:28,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:28,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:28,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:28,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:16" (3/4) ... [2024-11-02 12:28:28,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:29,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:29,001 INFO L158 Benchmark]: Toolchain (without parser) took 15234.77ms. Allocated memory was 140.5MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 101.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-02 12:28:29,001 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:29,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.98ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 75.8MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:29,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.09ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 73.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:29,002 INFO L158 Benchmark]: Boogie Preprocessor took 54.08ms. Allocated memory is still 140.5MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:29,003 INFO L158 Benchmark]: RCFGBuilder took 1650.72ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 71.3MB in the beginning and 111.5MB in the end (delta: -40.2MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-02 12:28:29,003 INFO L158 Benchmark]: TraceAbstraction took 12661.45ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 110.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-02 12:28:29,004 INFO L158 Benchmark]: Witness Printer took 6.77ms. Allocated memory is still 2.5GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:29,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.98ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 75.8MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.09ms. Allocated memory is still 140.5MB. Free memory was 75.8MB in the beginning and 73.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.08ms. Allocated memory is still 140.5MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1650.72ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 71.3MB in the beginning and 111.5MB in the end (delta: -40.2MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12661.45ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 110.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 6.77ms. Allocated memory is still 2.5GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool z$flush_delayed; [L742] 0 int z$mem_tmp; [L743] 0 _Bool z$r_buff0_thd0; [L744] 0 _Bool z$r_buff0_thd1; [L745] 0 _Bool z$r_buff0_thd2; [L746] 0 _Bool z$r_buff0_thd3; [L747] 0 _Bool z$r_buff1_thd0; [L748] 0 _Bool z$r_buff1_thd1; [L749] 0 _Bool z$r_buff1_thd2; [L750] 0 _Bool z$r_buff1_thd3; [L751] 0 _Bool z$read_delayed; [L752] 0 int *z$read_delayed_var; [L753] 0 int z$w_buff0; [L754] 0 _Bool z$w_buff0_used; [L755] 0 int z$w_buff1; [L756] 0 _Bool z$w_buff1_used; [L757] 0 _Bool weak$$choice0; [L758] 0 _Bool weak$$choice1; [L759] 0 _Bool weak$$choice2; [L836] 0 pthread_t t2061; [L837] FCALL, FORK 0 pthread_create(&t2061, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2061=-2, weak$$choice0=0, weak$$choice1=0, weak$$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={3:0}] [L838] 0 pthread_t t2062; [L763] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 1 z$flush_delayed = weak$$choice2 [L766] EXPR 1 \read(z) [L766] 1 z$mem_tmp = z [L767] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L767] EXPR 1 \read(z) [L767] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L767] 1 z = !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L768] 1 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff0)) [L769] 1 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff1 : z$w_buff1)) [L770] 1 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used)) [L771] 1 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 z$r_buff0_thd1 = weak$$choice2 ? z$r_buff0_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff0_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1)) [L773] 1 z$r_buff1_thd1 = weak$$choice2 ? z$r_buff1_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff1_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L774] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L775] 1 __unbuffered_p0_EAX$read_delayed_var = &z [L776] EXPR 1 \read(z) [L776] 1 __unbuffered_p0_EAX = z [L777] EXPR 1 z$flush_delayed ? z$mem_tmp : z [L777] 1 z = z$flush_delayed ? z$mem_tmp : z [L778] 1 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, 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={3:0}] [L781] 1 __unbuffered_p0_EBX = x VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L786] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, 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={3:0}] [L839] FCALL, FORK 0 pthread_create(&t2062, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2061=-2, t2062=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L793] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, 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={3:0}] [L796] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, 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={3:0}] [L840] 0 pthread_t t2063; [L841] FCALL, FORK 0 pthread_create(&t2063, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2061=-2, t2062=-1, t2063=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L808] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, 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={3:0}] [L811] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, 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={3:0}] [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 \read(z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] 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) [L815] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L816] 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 [L817] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L818] 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}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, 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={3:0}] [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2061=-2, t2062=-1, t2063=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, 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={3:0}] [L845] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L845] RET 0 assume_abort_if_not(main$tmp_guard0) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 \read(z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 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) [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] 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 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] 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}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2061=-2, t2062=-1, t2063=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L854] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L855] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L855] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L855] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L855] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L855] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L855] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L856] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2061=-2, t2062=-1, t2063=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y=1, 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={3:0}] [L858] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z={3:0}] [L18] 0 __assert_fail ("0", "safe012_rmo.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y=1, 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={3:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 837]: 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: 839]: 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: 841]: 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, 108 locations, 47 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 524 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 524 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 407 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 158 mSDtfsCounter, 407 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36510occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:28:29,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68631ae83b11f8573706de51209bda75798bffba6e8c7fbfd0f4547966fed62e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:31,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:31,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:31,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:31,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:31,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:31,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:31,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:31,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:31,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:31,754 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:31,754 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:31,755 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:31,755 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:31,756 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:31,756 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:31,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:28:31,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:28:31,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:31,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:31,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:31,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:31,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:31,764 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:28:31,764 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:28:31,764 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:28:31,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:31,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:31,765 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:31,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:31,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:31,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:28:31,768 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:31,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:31,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:31,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:31,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:31,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:31,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:31,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:31,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:31,772 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:31,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:31,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:31,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:31,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:31,774 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68631ae83b11f8573706de51209bda75798bffba6e8c7fbfd0f4547966fed62e [2024-11-02 12:28:32,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:32,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:32,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:32,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:32,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:32,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i Unable to find full path for "g++" [2024-11-02 12:28:34,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:34,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:34,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i [2024-11-02 12:28:34,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/394308fe4/2410947be8004c97806198d7f2b2a438/FLAGdc3bf79b8 [2024-11-02 12:28:34,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/data/394308fe4/2410947be8004c97806198d7f2b2a438 [2024-11-02 12:28:34,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:34,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:34,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:34,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:34,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:34,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:34" (1/1) ... [2024-11-02 12:28:34,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28efe914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:34, skipping insertion in model container [2024-11-02 12:28:34,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:34" (1/1) ... [2024-11-02 12:28:34,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:35,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:35,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:35,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:35,545 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:35,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35 WrapperNode [2024-11-02 12:28:35,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:35,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:35,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:35,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:35,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,648 INFO L138 Inliner]: procedures = 179, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-02 12:28:35,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:35,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:35,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:35,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:35,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:35,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:35,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:35,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:35,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (1/1) ... [2024-11-02 12:28:35,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:35,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:35,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:35,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804a17e-d789-4515-a95f-cc4260c45af8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:28:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:28:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:28:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:28:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-02 12:28:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-02 12:28:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-02 12:28:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-02 12:28:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-02 12:28:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-02 12:28:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:28:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:35,836 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:28:36,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:36,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:36,826 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:28:36,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:37,786 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:37,786 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:28:37,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:37 BoogieIcfgContainer [2024-11-02 12:28:37,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:37,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:37,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:37,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:37,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:34" (1/3) ... [2024-11-02 12:28:37,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47872026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:37, skipping insertion in model container [2024-11-02 12:28:37,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:35" (2/3) ... [2024-11-02 12:28:37,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47872026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:37, skipping insertion in model container [2024-11-02 12:28:37,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:37" (3/3) ... [2024-11-02 12:28:37,809 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_rmo.oepc.i [2024-11-02 12:28:37,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:37,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-02 12:28:37,836 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:28:38,056 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 12:28:38,101 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 67 transitions, 146 flow