./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/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_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:35,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:35,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:38:35,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:35,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:35,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:35,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:35,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:35,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:35,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:35,861 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:35,862 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:35,862 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:35,862 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:35,863 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:35,863 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:35,866 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:35,867 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:35,867 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:35,867 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:35,868 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:35,872 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:35,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:35,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:35,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:35,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:35,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:35,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:35,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:35,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:35,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:35,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:35,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:35,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:35,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:35,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:35,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:35,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:35,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:35,881 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:35,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:35,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:35,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:35,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:35,882 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_7c364b65-8b14-4f1d-a741-55e2d1f037a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad [2024-11-02 12:38:36,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:36,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:36,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:36,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:36,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:36,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i Unable to find full path for "g++" [2024-11-02 12:38:38,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:39,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:39,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2024-11-02 12:38:39,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/data/02bd8bc8a/7833d111ac0448c78a46bb37166f6412/FLAG1e73d2ff5 [2024-11-02 12:38:39,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/data/02bd8bc8a/7833d111ac0448c78a46bb37166f6412 [2024-11-02 12:38:39,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:39,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:39,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:39,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:39,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:39,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:39" (1/1) ... [2024-11-02 12:38:39,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:39, skipping insertion in model container [2024-11-02 12:38:39,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:39" (1/1) ... [2024-11-02 12:38:39,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:38:39,588 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2024-11-02 12:38:39,597 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2024-11-02 12:38:40,734 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,735 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,736 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,737 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,739 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,756 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,757 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,760 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,761 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,764 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,765 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,766 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:40,767 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,455 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,465 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:41,580 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:38:41,597 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2024-11-02 12:38:41,598 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2024-11-02 12:38:41,709 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,710 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,710 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,711 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,712 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,721 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,722 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,723 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,724 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,726 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,728 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,840 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,853 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:41,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-02 12:38:41,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:42,203 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:38:42,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42 WrapperNode [2024-11-02 12:38:42,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:42,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:42,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:38:42,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:38:42,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,388 INFO L138 Inliner]: procedures = 679, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 597 [2024-11-02 12:38:42,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:42,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:38:42,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:38:42,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:38:42,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:38:42,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:38:42,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:38:42,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:38:42,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (1/1) ... [2024-11-02 12:38:42,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:42,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:42,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:38:42,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c364b65-8b14-4f1d-a741-55e2d1f037a9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:38:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-02 12:38:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-02 12:38:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:38:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:38:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:38:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:38:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:38:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:38:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:38:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:38:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:38:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:38:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:38:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:38:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:38:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:38:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:38:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-02 12:38:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-02 12:38:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:38:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:38:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:38:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:38:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:38:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:38:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:38:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:38:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:38:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 12:38:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 12:38:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:38:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:38:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:38:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:38:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:38:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:38:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:38:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:38:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:38:43,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:38:43,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:38:47,273 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-02 12:38:47,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:38:47,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:38:47,657 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-02 12:38:47,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:47 BoogieIcfgContainer [2024-11-02 12:38:47,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:38:47,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:38:47,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:38:47,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:38:47,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:38:39" (1/3) ... [2024-11-02 12:38:47,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3160bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:47, skipping insertion in model container [2024-11-02 12:38:47,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:42" (2/3) ... [2024-11-02 12:38:47,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3160bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:47, skipping insertion in model container [2024-11-02 12:38:47,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:47" (3/3) ... [2024-11-02 12:38:47,671 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2024-11-02 12:38:47,693 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:38:47,694 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:38:47,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:38:47,805 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=LoopHeads, 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;@73f6538c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:38:47,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:38:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 66 states have internal predecessors, (79), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-02 12:38:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:38:47,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:47,825 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:47,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:47,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:47,834 INFO L85 PathProgramCache]: Analyzing trace with hash 984593487, now seen corresponding path program 1 times [2024-11-02 12:38:47,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:47,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22437725] [2024-11-02 12:38:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:47,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:38:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:38:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-02 12:38:56,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:38:56,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22437725] [2024-11-02 12:38:56,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22437725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:38:56,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:38:56,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:38:56,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102172426] [2024-11-02 12:38:56,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:38:56,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:38:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:38:56,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:38:56,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:38:56,635 INFO L87 Difference]: Start difference. First operand has 117 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 66 states have internal predecessors, (79), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:38:58,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:38:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:38:59,443 INFO L93 Difference]: Finished difference Result 219 states and 289 transitions. [2024-11-02 12:38:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:38:59,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 47 [2024-11-02 12:38:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:38:59,459 INFO L225 Difference]: With dead ends: 219 [2024-11-02 12:38:59,459 INFO L226 Difference]: Without dead ends: 113 [2024-11-02 12:38:59,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:38:59,471 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:38:59,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2024-11-02 12:38:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-02 12:38:59,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-02 12:38:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 63 states have internal predecessors, (73), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-02 12:38:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 143 transitions. [2024-11-02 12:38:59,547 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 143 transitions. Word has length 47 [2024-11-02 12:38:59,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:38:59,549 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 143 transitions. [2024-11-02 12:38:59,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:38:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2024-11-02 12:38:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:38:59,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:59,555 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:59,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:38:59,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:59,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:59,558 INFO L85 PathProgramCache]: Analyzing trace with hash 24151707, now seen corresponding path program 1 times [2024-11-02 12:38:59,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:59,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598194935] [2024-11-02 12:38:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-02 12:39:09,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:39:09,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598194935] [2024-11-02 12:39:09,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598194935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:09,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:09,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:39:09,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015373809] [2024-11-02 12:39:09,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:09,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:39:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:39:09,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:39:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:39:09,035 INFO L87 Difference]: Start difference. First operand 113 states and 143 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)