./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b --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 aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:30:51,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:30:51,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:30:51,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:30:51,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:30:51,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:30:51,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:30:51,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:30:51,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:30:51,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:30:51,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:30:51,893 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:30:51,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:30:51,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:51,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:30:51,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:30:51,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:30:51,894 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:30:51,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:30:51,894 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_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b 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 -> aba75d5c6112bb80051134ed7f98fd80207b53da5b894be601f1f010079e2e6e [2024-12-06 00:30:52,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:30:52,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:30:52,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:30:52,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:30:52,150 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:30:52,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2024-12-06 00:30:54,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/data/b94c5350b/d0fe3e3f13b04755bb0f4a1ca0fb6c3f/FLAG63d0163bf [2024-12-06 00:30:55,015 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:30:55,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c [2024-12-06 00:30:55,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/data/b94c5350b/d0fe3e3f13b04755bb0f4a1ca0fb6c3f/FLAG63d0163bf [2024-12-06 00:30:55,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/data/b94c5350b/d0fe3e3f13b04755bb0f4a1ca0fb6c3f [2024-12-06 00:30:55,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:30:55,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:30:55,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:55,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:30:55,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:30:55,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad72d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55, skipping insertion in model container [2024-12-06 00:30:55,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:30:55,259 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_5dcdbb97-6619-4d0f-978f-09fcf51afffa/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2024-12-06 00:30:55,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:55,272 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:30:55,315 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_5dcdbb97-6619-4d0f-978f-09fcf51afffa/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c[9488,9501] [2024-12-06 00:30:55,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:55,332 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:30:55,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55 WrapperNode [2024-12-06 00:30:55,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:55,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:55,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:30:55,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:30:55,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,376 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 314 [2024-12-06 00:30:55,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:55,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:30:55,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:30:55,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:30:55,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:30:55,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:30:55,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:30:55,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:30:55,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:55" (1/1) ... [2024-12-06 00:30:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:30:55,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:30:55,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dcdbb97-6619-4d0f-978f-09fcf51afffa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:30:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:30:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:30:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:30:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:30:55,537 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:30:55,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:30:55,895 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-12-06 00:30:55,895 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:30:56,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:30:56,198 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:30:56,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:30:56 BoogieIcfgContainer [2024-12-06 00:30:56,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:30:56,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:30:56,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:30:56,206 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:30:56,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:30:56" (1/1) ... [2024-12-06 00:30:56,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:30:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:30:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:30:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:30:56,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:56,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:30:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:30:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:30:57,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:30:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:30:57,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:30:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:31:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 00:31:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 00:31:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:31:04,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:04,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:31:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:31:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2024-12-06 00:31:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2024-12-06 00:31:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:31:08,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:31:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:31:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2024-12-06 00:31:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2024-12-06 00:31:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:31:58,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:31:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:18,981 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 563 DAG size of output: 524 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:27,830 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 565 DAG size of output: 521 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:45,063 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 580 DAG size of output: 544 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:54,334 WARN L286 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 582 DAG size of output: 516 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:01,002 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 545 DAG size of output: 539 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 36 states and 82 transitions. [2024-12-06 00:35:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 82 transitions. [2024-12-06 00:35:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:35:31,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:35:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:35:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 42 states and 105 transitions. [2024-12-06 00:35:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 105 transitions. [2024-12-06 00:35:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:35:49,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:35:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:36:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 124 transitions. [2024-12-06 00:36:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2024-12-06 00:36:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:36:22,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:36:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat