./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/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 cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:35:08,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:35:08,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:35:08,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:35:08,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:35:08,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:35:08,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:35:08,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:35:08,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:35:08,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:35:08,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:35:08,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:35:08,408 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:35:08,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:35:08,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:35:08,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:35:08,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:35:08,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:35:08,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:35:08,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:35:08,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:35:08,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:35:08,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:35:08,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:35:08,412 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:35:08,412 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:35:08,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:35:08,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:08,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:35:08,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:35:08,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:35:08,413 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:35:08,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:35:08,413 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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/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 -> cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c [2024-11-13 21:35:08,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:35:08,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:35:08,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:35:08,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:35:08,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:35:08,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 21:35:10,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:35:11,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:35:11,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2024-11-13 21:35:11,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/data/863e909d7/cda5a0e1249745e8864b7dc313ad25ac/FLAGbb566f62c [2024-11-13 21:35:11,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/data/863e909d7/cda5a0e1249745e8864b7dc313ad25ac [2024-11-13 21:35:11,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:35:11,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:35:11,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:11,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:35:11,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:35:11,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:11,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186a1172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11, skipping insertion in model container [2024-11-13 21:35:11,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:11,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:35:11,743 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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2024-11-13 21:35:11,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:11,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:35:11,875 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_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2024-11-13 21:35:11,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:11,903 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:35:11,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11 WrapperNode [2024-11-13 21:35:11,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:11,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:11,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:35:11,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:35:11,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:11,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:11,991 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 383 [2024-11-13 21:35:11,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:11,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:35:11,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:35:11,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:35:12,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:35:12,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:35:12,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:35:12,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:35:12,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:11" (1/1) ... [2024-11-13 21:35:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:12,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:35:12,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:35:12,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c2ae36a-1de4-4c80-9542-0ff8b0b4ba16/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:35:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:35:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:35:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:35:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:35:12,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:35:12,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:35:12,928 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 21:35:12,928 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:35:13,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:35:13,700 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:35:13,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:13 BoogieIcfgContainer [2024-11-13 21:35:13,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:35:13,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:35:13,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:35:13,714 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:35:13,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:13" (1/1) ... [2024-11-13 21:35:13,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:35:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:35:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:35:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:35:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:13,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:17,330 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 21:35:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:35:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:35:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:35:17,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:27,716 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 21:35:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 21:35:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 21:35:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:35:30,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:34,200 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 21:35:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2024-11-13 21:35:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2024-11-13 21:35:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:35:37,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:16,869 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 21:36:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2024-11-13 21:36:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2024-11-13 21:36:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:36:47,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:47,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 34 states and 73 transitions. [2024-11-13 21:37:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 73 transitions. [2024-11-13 21:37:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:37:02,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat