./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label30.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_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/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_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/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_d19834af-355a-4b33-9b3c-62fb7c2f9417/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 bb86e00f8028aaaf0f2eaf09b0e453c7c279c2fa86b9bb6bf5497a370c740088 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:12:44,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:12:44,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:12:44,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:12:44,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:12:44,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:12:44,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:12:44,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:12:44,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:12:44,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:12:44,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:12:44,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:12:44,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:12:44,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:12:44,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:12:44,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:12:44,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:12:44,683 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_d19834af-355a-4b33-9b3c-62fb7c2f9417/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 -> bb86e00f8028aaaf0f2eaf09b0e453c7c279c2fa86b9bb6bf5497a370c740088 [2024-12-06 02:12:44,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:12:44,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:12:44,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:12:44,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:12:44,926 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:12:44,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-programs/Problem102_label30.c [2024-12-06 02:12:47,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/data/cc3710600/cd6428ea0e8445da8d9de3030698e732/FLAG131766de5 [2024-12-06 02:12:49,615 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:12:49,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/sv-benchmarks/c/eca-programs/Problem102_label30.c [2024-12-06 02:12:49,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/data/cc3710600/cd6428ea0e8445da8d9de3030698e732/FLAG131766de5 [2024-12-06 02:12:50,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/data/cc3710600/cd6428ea0e8445da8d9de3030698e732 [2024-12-06 02:12:50,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:12:50,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:12:50,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:12:50,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:12:50,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:12:50,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:50" (1/1) ... [2024-12-06 02:12:50,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec5912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:50, skipping insertion in model container [2024-12-06 02:12:50,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:50" (1/1) ... [2024-12-06 02:12:51,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:13:11,798 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_d19834af-355a-4b33-9b3c-62fb7c2f9417/sv-benchmarks/c/eca-programs/Problem102_label30.c[5715090,5715103] [2024-12-06 02:13:11,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:13:11,900 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:13:23,061 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_d19834af-355a-4b33-9b3c-62fb7c2f9417/sv-benchmarks/c/eca-programs/Problem102_label30.c[5715090,5715103] [2024-12-06 02:13:23,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:13:26,218 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:13:26,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26 WrapperNode [2024-12-06 02:13:26,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:13:26,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:13:26,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:13:26,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:13:26,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:26,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:29,462 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184376 [2024-12-06 02:13:29,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:13:29,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:13:29,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:13:29,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:13:29,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:29,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:29,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:29,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:31,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:31,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:31,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:31,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:32,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:32,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:13:32,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:13:32,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:13:32,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:13:32,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:13:26" (1/1) ... [2024-12-06 02:13:32,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:13:32,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:13:32,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:13:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d19834af-355a-4b33-9b3c-62fb7c2f9417/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:13:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:13:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:13:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:13:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:13:32,726 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:13:32,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:14:42,834 INFO L? ?]: Removed 18122 outVars from TransFormulas that were not future-live. [2024-12-06 02:14:42,834 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:15:54,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:15:54,586 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:15:54,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:54 BoogieIcfgContainer [2024-12-06 02:15:54,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:15:54,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:15:54,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:15:54,594 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:15:54,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:54" (1/1) ... [2024-12-06 02:15:54,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:15:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2024-12-06 02:15:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2024-12-06 02:15:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2024-12-06 02:15:56,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:56,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:53,661 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 02:18:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62892 states to 35806 states and 62892 transitions. [2024-12-06 02:18:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62892 transitions. [2024-12-06 02:18:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17866 [2024-12-06 02:18:04,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:04,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:56,746 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 02:18:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62897 states to 35809 states and 62897 transitions. [2024-12-06 02:18:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 35809 states and 62897 transitions. [2024-12-06 02:19:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17868 [2024-12-06 02:19:00,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:00,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:47,048 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 02:19:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62905 states to 35814 states and 62905 transitions. [2024-12-06 02:19:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 35814 states and 62905 transitions.