./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label58.c --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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/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 4b4a65385db129ed6f9d5c594ccee628b1f973d292e23f43407ca5441790314d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:12,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:12,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:33:12,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:12,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:12,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:12,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:12,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:12,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:12,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:12,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:12,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:12,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:12,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:12,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:33:12,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:12,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:12,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:12,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:12,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:12,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:12,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:12,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:12,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:12,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:12,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:12,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:12,652 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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/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 -> 4b4a65385db129ed6f9d5c594ccee628b1f973d292e23f43407ca5441790314d [2024-11-13 21:33:12,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:12,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:12,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:12,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:12,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:12,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem14_label58.c Unable to find full path for "g++" [2024-11-13 21:33:14,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:15,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:15,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/sv-benchmarks/c/eca-rers2012/Problem14_label58.c [2024-11-13 21:33:15,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/data/ba6f89933/80ecfe4927ff4a3ab9a0ddbd300ee056/FLAG9a50df6ea [2024-11-13 21:33:15,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/data/ba6f89933/80ecfe4927ff4a3ab9a0ddbd300ee056 [2024-11-13 21:33:15,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:15,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:15,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:15,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:15,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:15,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:15" (1/1) ... [2024-11-13 21:33:15,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b887e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:15, skipping insertion in model container [2024-11-13 21:33:15,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:15" (1/1) ... [2024-11-13 21:33:15,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:15,691 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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/sv-benchmarks/c/eca-rers2012/Problem14_label58.c[1730,1743] [2024-11-13 21:33:15,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:15,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:15,909 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_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/sv-benchmarks/c/eca-rers2012/Problem14_label58.c[1730,1743] [2024-11-13 21:33:16,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:16,086 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:16,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16 WrapperNode [2024-11-13 21:33:16,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:16,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:16,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:16,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:16,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,215 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-13 21:33:16,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:16,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:16,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:16,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:16,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:16,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:16,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:16,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:16,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:16,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:16,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6b50ff-80bf-41e2-9763-baf7cf8c255d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:33:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:16,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:16,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:18,071 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:18,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:22,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:22,835 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:33:22,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:22 BoogieIcfgContainer [2024-11-13 21:33:22,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:22,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:22,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:22,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:22,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:22" (1/1) ... [2024-11-13 21:33:22,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:33:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:33:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:33:22,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:33:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:33:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:33:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:33:23,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:23,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:33:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:47,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 21:33:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 21:33:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:33:47,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 21:34:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 21:34:21,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:21,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:21,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2024-11-13 21:34:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2024-11-13 21:34:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:34:54,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:54,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2024-11-13 21:36:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-11-13 21:36:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:36:00,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:00,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat