./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label35.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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/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 edc565b64c291ffeb463c1db23e614b96893e5acce81b877f7d105a3b5fd94db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:48:27,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:48:27,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:48:27,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:48:27,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:48:27,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:48:27,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:48:27,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:48:27,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:48:27,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:48:27,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:48:27,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:48:27,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:48:27,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:48:27,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:48:27,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:48:27,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:48:27,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:48:27,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:48:27,183 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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/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 -> edc565b64c291ffeb463c1db23e614b96893e5acce81b877f7d105a3b5fd94db [2024-12-06 05:48:27,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:48:27,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:48:27,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:48:27,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:48:27,434 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:48:27,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-programs/Problem102_label35.c [2024-12-06 05:48:30,086 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/data/5ad062a02/19ca1f9bdc2b47bd8054c2c992f663f3/FLAGa7391aaa5 [2024-12-06 05:48:31,851 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:48:31,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/sv-benchmarks/c/eca-programs/Problem102_label35.c [2024-12-06 05:48:32,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/data/5ad062a02/19ca1f9bdc2b47bd8054c2c992f663f3/FLAGa7391aaa5 [2024-12-06 05:48:32,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/data/5ad062a02/19ca1f9bdc2b47bd8054c2c992f663f3 [2024-12-06 05:48:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:48:32,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:48:32,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:48:32,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:48:32,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:48:32,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:48:32" (1/1) ... [2024-12-06 05:48:32,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e41c4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:48:32, skipping insertion in model container [2024-12-06 05:48:32,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:48:32" (1/1) ... [2024-12-06 05:48:33,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:48:53,782 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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/sv-benchmarks/c/eca-programs/Problem102_label35.c[5716777,5716790] [2024-12-06 05:48:53,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:48:53,886 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:04,823 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_8b45cadd-b892-4f65-8ae8-8252a3d1f359/sv-benchmarks/c/eca-programs/Problem102_label35.c[5716777,5716790] [2024-12-06 05:49:04,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:07,903 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:07,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07 WrapperNode [2024-12-06 05:49:07,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:07,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:07,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:07,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:07,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:08,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:11,760 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184376 [2024-12-06 05:49:11,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:11,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:11,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:11,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:11,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:11,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:12,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:12,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:13,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:13,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:13,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:13,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:14,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:14,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:14,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:14,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:14,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:14,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:07" (1/1) ... [2024-12-06 05:49:14,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:14,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:14,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b45cadd-b892-4f65-8ae8-8252a3d1f359/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:49:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:14,842 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:14,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:50:23,978 INFO L? ?]: Removed 18122 outVars from TransFormulas that were not future-live. [2024-12-06 05:50:23,978 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:36,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:36,266 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:51:36,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:36 BoogieIcfgContainer [2024-12-06 05:51:36,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:36,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:36,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:36,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:36,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:36" (1/1) ... [2024-12-06 05:51:36,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2024-12-06 05:51:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2024-12-06 05:51:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2024-12-06 05:51:37,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:51:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:47,035 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 05:53:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62796 states to 35806 states and 62796 transitions. [2024-12-06 05:53:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62796 transitions. [2024-12-06 05:53:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17866 [2024-12-06 05:53:58,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:58,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62801 states to 35809 states and 62801 transitions. [2024-12-06 05:54:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 35809 states and 62801 transitions. [2024-12-06 05:54:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17867 [2024-12-06 05:54:48,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:48,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62808 states to 35813 states and 62808 transitions. [2024-12-06 05:55:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 35813 states and 62808 transitions. [2024-12-06 05:55:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17868 [2024-12-06 05:55:45,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat