./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label54.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_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/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_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/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_c595309a-0e4f-4032-a8ef-351345f1f3a7/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 adf9aede4969933a483ad692729ae0dede103496ae41b917177f2c151fa81fb1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:37,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:37,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:51:37,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:51:37,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:51:38,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:38,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:38,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:38,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:38,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:38,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:38,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:38,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:38,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:38,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:38,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:38,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:38,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:38,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:38,037 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:38,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:38,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:38,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:38,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:38,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:38,038 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:51:38,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:51:38,038 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_c595309a-0e4f-4032-a8ef-351345f1f3a7/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 -> adf9aede4969933a483ad692729ae0dede103496ae41b917177f2c151fa81fb1 [2024-11-13 21:51:38,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:38,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:38,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:38,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:38,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:38,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem14_label54.c Unable to find full path for "g++" [2024-11-13 21:51:40,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:40,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:40,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/sv-benchmarks/c/eca-rers2012/Problem14_label54.c [2024-11-13 21:51:40,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/data/df4a38849/f29bbaf7e9504ccfbb958854019cb2bb/FLAG9a570f188 [2024-11-13 21:51:40,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/data/df4a38849/f29bbaf7e9504ccfbb958854019cb2bb [2024-11-13 21:51:40,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:40,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:40,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:40,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:40,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:40,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:40" (1/1) ... [2024-11-13 21:51:40,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6525669e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:40, skipping insertion in model container [2024-11-13 21:51:40,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:40" (1/1) ... [2024-11-13 21:51:40,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:41,176 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_c595309a-0e4f-4032-a8ef-351345f1f3a7/sv-benchmarks/c/eca-rers2012/Problem14_label54.c[957,970] [2024-11-13 21:51:41,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:41,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:41,522 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_c595309a-0e4f-4032-a8ef-351345f1f3a7/sv-benchmarks/c/eca-rers2012/Problem14_label54.c[957,970] [2024-11-13 21:51:41,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:41,688 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:41,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41 WrapperNode [2024-11-13 21:51:41,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:41,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:41,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:41,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:41,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,792 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-13 21:51:41,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:41,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:41,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:41,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:41,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:41,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:41,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:41,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:41,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:41" (1/1) ... [2024-11-13 21:51:41,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:41,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:41,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:41,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595309a-0e4f-4032-a8ef-351345f1f3a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:51:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:42,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:42,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:43,759 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:43,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:49,012 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:49,013 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:51:49,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:49 BoogieIcfgContainer [2024-11-13 21:51:49,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:49,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:49,015 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:49,024 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:49,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:49" (1/1) ... [2024-11-13 21:51:49,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:51:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:51:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:51:49,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:49,294 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 21:51:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:51:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:51:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:51:49,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:15,714 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 21:52:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 21:52:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 21:52:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:52:16,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:16,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:16,595 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 21:53:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-13 21:53:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-13 21:53:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:53:18,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:58,206 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 21:53:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:58,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 21:53:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 21:53:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:53:58,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:58,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:13,787 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 21:55:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-11-13 21:55:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-11-13 21:55:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:55:14,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:29,053 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 21:56:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2024-11-13 21:56:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2024-11-13 21:56:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:56:30,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:30,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-13 21:58:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-13 21:58:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:58:36,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat