./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label37.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89d6610fe6e852edfd7c8e9b3847a1dc68a8d7b255ea30a5181190918a5b6a98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:16:24,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:16:24,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:16:24,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:16:24,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:16:24,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:16:24,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:16:24,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:16:24,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:16:24,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:16:24,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:16:24,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:16:24,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:16:24,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:16:24,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:24,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:16:24,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:16:24,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:16:24,137 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:16:24,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:16:24,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak 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 -> 89d6610fe6e852edfd7c8e9b3847a1dc68a8d7b255ea30a5181190918a5b6a98 [2024-12-06 04:16:24,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:16:24,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:16:24,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:16:24,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:16:24,342 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:16:24,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-programs/Problem102_label37.c [2024-12-06 04:16:26,922 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/data/864e66797/4e878091e45f4a76b38ac9758d56bf85/FLAG757d90800 [2024-12-06 04:16:28,784 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:16:28,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/sv-benchmarks/c/eca-programs/Problem102_label37.c [2024-12-06 04:16:29,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/data/864e66797/4e878091e45f4a76b38ac9758d56bf85/FLAG757d90800 [2024-12-06 04:16:29,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/data/864e66797/4e878091e45f4a76b38ac9758d56bf85 [2024-12-06 04:16:29,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:16:29,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:16:29,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:29,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:16:29,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:16:29,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:29" (1/1) ... [2024-12-06 04:16:29,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578b24c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:29, skipping insertion in model container [2024-12-06 04:16:29,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:29" (1/1) ... [2024-12-06 04:16:29,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:16:50,693 WARN L250 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_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/sv-benchmarks/c/eca-programs/Problem102_label37.c[5710533,5710546] [2024-12-06 04:16:50,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:50,815 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:17:02,149 WARN L250 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_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/sv-benchmarks/c/eca-programs/Problem102_label37.c[5710533,5710546] [2024-12-06 04:17:02,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:17:05,439 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:17:05,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05 WrapperNode [2024-12-06 04:17:05,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:17:05,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:05,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:17:05,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:17:05,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:06,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:08,998 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184376 [2024-12-06 04:17:08,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:08,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:17:08,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:17:08,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:17:09,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:09,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:09,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:09,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:11,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:11,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:11,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:11,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:12,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:12,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:17:12,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:17:12,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:17:12,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:17:12,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:05" (1/1) ... [2024-12-06 04:17:12,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:17:12,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:17:12,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:17:12,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7a050c-5c51-4f95-a4d0-a955533eb0f9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:17:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:17:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:17:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:17:12,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:17:12,867 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:17:12,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:18:30,032 INFO L? ?]: Removed 18122 outVars from TransFormulas that were not future-live. [2024-12-06 04:18:30,032 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:19:52,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:19:52,861 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:19:52,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:52 BoogieIcfgContainer [2024-12-06 04:19:52,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:19:52,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:19:52,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:19:52,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:19:52,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:52" (1/1) ... [2024-12-06 04:19:52,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:19:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2024-12-06 04:19:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2024-12-06 04:19:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2024-12-06 04:19:54,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:54,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:19:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:22:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68772 states to 35806 states and 68772 transitions. [2024-12-06 04:22:08,885 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 68772 transitions. [2024-12-06 04:22:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17868 [2024-12-06 04:22:10,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:10,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:22:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:22:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68779 states to 35811 states and 68779 transitions. [2024-12-06 04:22:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 35811 states and 68779 transitions. [2024-12-06 04:23:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2024-12-06 04:23:01,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:01,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68788 states to 35817 states and 68788 transitions. [2024-12-06 04:23:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 35817 states and 68788 transitions. [2024-12-06 04:23:49,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17870 [2024-12-06 04:23:49,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat