./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.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_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/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_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/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_3452b9a2-3212-4055-9218-d8a342869caf/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 025025ef74b1493ac4064064509ff34d15f77bc18ba9a65b0d0237e8c59a21c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:19:58,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:19:58,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:19:58,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:19:58,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:19:58,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:19:58,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:19:58,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:19:58,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:19:58,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:19:58,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:19:58,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:19:58,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:19:58,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:19:58,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:19:58,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:19:58,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:19:58,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:19:58,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:19:58,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:19:58,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:19:58,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:19:58,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:58,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:19:58,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:19:58,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:19:58,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:19:58,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:19:58,401 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_3452b9a2-3212-4055-9218-d8a342869caf/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 -> 025025ef74b1493ac4064064509ff34d15f77bc18ba9a65b0d0237e8c59a21c9 [2024-11-13 21:19:58,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:19:58,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:19:58,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:19:58,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:19:58,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:19:58,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 21:20:00,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:01,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:01,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c [2024-11-13 21:20:01,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/data/c0a95f6a4/de59f108458149a48bb48bc2876a499e/FLAGf14c16321 [2024-11-13 21:20:01,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/data/c0a95f6a4/de59f108458149a48bb48bc2876a499e [2024-11-13 21:20:01,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:01,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:01,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:01,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:01,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:01,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea6b2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01, skipping insertion in model container [2024-11-13 21:20:01,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:01,550 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_3452b9a2-3212-4055-9218-d8a342869caf/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c[12779,12792] [2024-11-13 21:20:01,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:01,564 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:01,618 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_3452b9a2-3212-4055-9218-d8a342869caf/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c[12779,12792] [2024-11-13 21:20:01,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:01,634 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:01,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01 WrapperNode [2024-11-13 21:20:01,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:01,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:01,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:01,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:01,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,689 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 382 [2024-11-13 21:20:01,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:01,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:01,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:01,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:01,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:01,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:01,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:01,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:01,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:01" (1/1) ... [2024-11-13 21:20:01,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:01,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:01,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3452b9a2-3212-4055-9218-d8a342869caf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:01,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:01,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:02,719 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:02,719 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:03,485 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:03,485 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:03,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:03 BoogieIcfgContainer [2024-11-13 21:20:03,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:03,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:03,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:03,499 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:03,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:03" (1/1) ... [2024-11-13 21:20:03,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:20:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:20:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:20:03,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:07,029 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 21:20:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:20:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:20:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:20:07,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:07,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:20:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:20:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:20:19,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:19,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2024-11-13 21:20:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2024-11-13 21:20:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:20:26,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:26,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-13 21:23:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-13 21:23:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:23:57,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2024-11-13 21:24:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2024-11-13 21:24:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:24:36,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:36,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat