./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.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_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/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_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/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_51054ceb-ea82-469d-98b6-db128da67177/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 dd1724e619d2e8fc18a4dc8aa6c726656a51fc7e14f993d511c4c773ed4748f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:31,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:31,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:46:31,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:31,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:31,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:31,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:31,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:31,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:31,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:31,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:31,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:31,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:31,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:31,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:31,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:31,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:31,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:31,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:31,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:31,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:31,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:31,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:31,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:31,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:31,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:31,296 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:31,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:31,296 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_51054ceb-ea82-469d-98b6-db128da67177/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 -> dd1724e619d2e8fc18a4dc8aa6c726656a51fc7e14f993d511c4c773ed4748f3 [2024-11-13 16:46:31,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:31,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:31,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:31,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:31,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:31,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 16:46:33,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:33,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:33,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2024-11-13 16:46:33,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/data/b059ddd02/004dadc4985145c0b57356c4fd08b4e4/FLAGa02f5a7ce [2024-11-13 16:46:33,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/data/b059ddd02/004dadc4985145c0b57356c4fd08b4e4 [2024-11-13 16:46:33,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:33,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:33,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:33,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:33,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:33,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:33" (1/1) ... [2024-11-13 16:46:33,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b20c952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:33, skipping insertion in model container [2024-11-13 16:46:33,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:33" (1/1) ... [2024-11-13 16:46:33,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:34,306 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_51054ceb-ea82-469d-98b6-db128da67177/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2024-11-13 16:46:34,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:34,327 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:34,425 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_51054ceb-ea82-469d-98b6-db128da67177/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2024-11-13 16:46:34,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:34,454 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:34,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34 WrapperNode [2024-11-13 16:46:34,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:34,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:34,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:34,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:34,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,531 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 453 [2024-11-13 16:46:34,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:34,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:34,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:34,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:34,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:34,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:34,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:34,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:34,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:34" (1/1) ... [2024-11-13 16:46:34,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:34,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:34,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:34,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51054ceb-ea82-469d-98b6-db128da67177/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:34,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:34,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:35,531 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:35,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:36,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:36,396 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:46:36,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:36 BoogieIcfgContainer [2024-11-13 16:46:36,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:36,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:36,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:36,409 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:36,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:46:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:46:36,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:36,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:36,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,160 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 16:46:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:46:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:46:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:46:40,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:40,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:53,583 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 16:46:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 16:46:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 16:46:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:46:56,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:56,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:05,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2024-11-13 16:47:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2024-11-13 16:47:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:47:05,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:23,635 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 16:49:45,847 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 474 DAG size of output: 426 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:49:53,145 WARN L286 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 476 DAG size of output: 436 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:50:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2024-11-13 16:50:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2024-11-13 16:50:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:50:27,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:47,441 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 16:52:58,069 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 649 DAG size of output: 506 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:06,309 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 651 DAG size of output: 573 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:23,323 WARN L286 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 645 DAG size of output: 502 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:29,584 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 647 DAG size of output: 569 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:46,643 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 697 DAG size of output: 618 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:53:57,222 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 693 DAG size of output: 660 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:05,963 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 619 DAG size of output: 607 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:13,493 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 661 DAG size of output: 661 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:22,565 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 687 DAG size of output: 614 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:34,760 WARN L286 SmtUtils]: Spent 7.97s on a formula simplification. DAG size of input: 683 DAG size of output: 656 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:43,299 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 615 DAG size of output: 614 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:55:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 85 transitions. [2024-11-13 16:55:17,369 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 85 transitions. [2024-11-13 16:55:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:55:17,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:17,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:55:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 42 states and 106 transitions. [2024-11-13 16:55:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 106 transitions. [2024-11-13 16:55:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:55:43,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:43,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:56:14,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 48 states and 131 transitions. [2024-11-13 16:56:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 131 transitions. [2024-11-13 16:56:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:56:14,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:54,791 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 462 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)