./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm --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 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:30,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:30,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:55:30,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:30,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:30,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:30,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:30,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:30,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:30,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:30,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:30,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:30,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:55:30,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:30,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:55:30,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:30,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:30,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:30,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:30,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:30,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:55:30,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:30,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:30,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:30,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:30,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:30,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:30,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:30,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:30,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:30,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:30,178 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:30,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:30,178 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_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm 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 -> 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991 [2024-11-13 20:55:30,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:30,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:30,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:30,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:30,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:30,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i Unable to find full path for "g++" [2024-11-13 20:55:32,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:32,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:32,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i [2024-11-13 20:55:32,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/data/9f0ece972/68f2fe531ff74ca2a93a44b41ab991aa/FLAG97cbcc68b [2024-11-13 20:55:32,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/data/9f0ece972/68f2fe531ff74ca2a93a44b41ab991aa [2024-11-13 20:55:32,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:32,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:32,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:32,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:32,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:32,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:32" (1/1) ... [2024-11-13 20:55:32,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2089bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:32, skipping insertion in model container [2024-11-13 20:55:32,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:32" (1/1) ... [2024-11-13 20:55:32,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:32,996 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_b1ebe50d-f205-4a64-920d-dcb595ed6778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928] [2024-11-13 20:55:33,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:33,098 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:33,109 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_b1ebe50d-f205-4a64-920d-dcb595ed6778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928] [2024-11-13 20:55:33,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:33,164 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:33,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33 WrapperNode [2024-11-13 20:55:33,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:33,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:33,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:33,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:33,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,221 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-11-13 20:55:33,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:33,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:33,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:33,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:33,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:33,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:33,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:33,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:33,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:33" (1/1) ... [2024-11-13 20:55:33,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:33,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:33,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:33,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1ebe50d-f205-4a64-920d-dcb595ed6778/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:55:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:55:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:55:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:33,421 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:33,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:34,025 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:34,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:34,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:34,403 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:55:34,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:34 BoogieIcfgContainer [2024-11-13 20:55:34,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:34,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:34,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:34,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:34,415 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:34" (1/1) ... [2024-11-13 20:55:34,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2024-11-13 20:55:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2024-11-13 20:55:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 20:55:34,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-11-13 20:55:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 146 transitions. [2024-11-13 20:55:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2024-11-13 20:55:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-13 20:55:44,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 129 proven. 202 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2024-11-13 20:56:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2024-11-13 20:56:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2024-11-13 20:56:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-13 20:56:13,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:13,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6610 backedges. 101 proven. 263 refuted. 0 times theorem prover too weak. 6246 trivial. 0 not checked. [2024-11-13 20:56:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 263 states and 445 transitions. [2024-11-13 20:56:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 445 transitions. [2024-11-13 20:56:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-13 20:56:56,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:56,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat