./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.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_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/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_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/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_32a7d786-7887-4499-b176-be2e551f438e/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 e7078db7101404701d1361cc736476696e00d8cbe0085be82e13ec1c6956c8c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:32:40,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:32:40,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:32:40,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:32:40,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:32:40,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:32:40,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:32:40,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:32:40,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:32:40,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:32:40,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:32:40,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:32:40,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:32:40,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:32:40,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:32:40,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:32:40,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:32:40,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:32:40,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:32:40,436 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:32:40,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:32:40,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:40,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:32:40,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:32:40,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:32:40,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:32:40,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:32:40,437 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_32a7d786-7887-4499-b176-be2e551f438e/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 -> e7078db7101404701d1361cc736476696e00d8cbe0085be82e13ec1c6956c8c2 [2024-11-13 22:32:40,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:32:40,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:32:40,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:32:40,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:32:40,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:32:40,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c Unable to find full path for "g++" [2024-11-13 22:32:42,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:32:43,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:32:43,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2024-11-13 22:32:43,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/data/45add9358/21eb0b5bbe7a483ba01cb090263f2fdf/FLAGf8f974976 [2024-11-13 22:32:43,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/data/45add9358/21eb0b5bbe7a483ba01cb090263f2fdf [2024-11-13 22:32:43,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:32:43,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:32:43,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:43,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:32:43,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:32:43,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270db296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43, skipping insertion in model container [2024-11-13 22:32:43,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:32:43,342 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_32a7d786-7887-4499-b176-be2e551f438e/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c[15140,15153] [2024-11-13 22:32:43,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:43,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:32:43,414 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_32a7d786-7887-4499-b176-be2e551f438e/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c[15140,15153] [2024-11-13 22:32:43,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:43,436 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:32:43,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43 WrapperNode [2024-11-13 22:32:43,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:43,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:43,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:32:43,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:32:43,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,496 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 396 [2024-11-13 22:32:43,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:43,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:32:43,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:32:43,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:32:43,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:32:43,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:32:43,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:32:43,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:32:43,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:43" (1/1) ... [2024-11-13 22:32:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:43,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:32:43,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:32:43,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a7d786-7887-4499-b176-be2e551f438e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:32:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:32:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:32:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:32:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:32:43,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:32:43,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:32:44,320 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 22:32:44,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:32:44,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:32:44,986 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:32:44,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:44 BoogieIcfgContainer [2024-11-13 22:32:44,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:32:44,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:32:44,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:32:44,997 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:32:44,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:44" (1/1) ... [2024-11-13 22:32:45,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:32:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 22:32:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 22:32:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:32:45,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:47,870 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 22:32:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 22:32:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 22:32:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:32:48,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:48,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:48,590 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 22:32:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 22:32:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 22:32:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:32:49,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:50,285 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 22:32:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-11-13 22:32:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-11-13 22:32:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:32:51,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:51,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:51,403 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 22:32:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 22:32:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 22:32:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:32:51,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:06,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 22:33:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 22:33:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:33:06,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2024-11-13 22:33:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-11-13 22:33:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:33:11,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2024-11-13 22:33:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2024-11-13 22:33:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:33:26,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2024-11-13 22:33:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2024-11-13 22:33:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:33:39,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 155 transitions. [2024-11-13 22:33:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2024-11-13 22:33:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:33:51,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 85 states and 175 transitions. [2024-11-13 22:33:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 175 transitions. [2024-11-13 22:33:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:33:59,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 94 states and 203 transitions. [2024-11-13 22:34:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 203 transitions. [2024-11-13 22:34:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:34:07,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 102 states and 220 transitions. [2024-11-13 22:34:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 220 transitions. [2024-11-13 22:34:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:34:12,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:12,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:14,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 103 states and 228 transitions. [2024-11-13 22:34:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 228 transitions. [2024-11-13 22:34:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:34:14,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 104 states and 232 transitions. [2024-11-13 22:34:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 232 transitions. [2024-11-13 22:34:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:34:19,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 105 states and 234 transitions. [2024-11-13 22:34:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 234 transitions. [2024-11-13 22:34:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:34:21,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:21,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 106 states and 237 transitions. [2024-11-13 22:34:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 237 transitions. [2024-11-13 22:34:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:34:26,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:26,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 132 states and 311 transitions. [2024-11-13 22:38:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 311 transitions. [2024-11-13 22:38:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:38:24,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:39:13,385 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 436 DAG size of output: 249 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:39:55,574 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 440 DAG size of output: 345 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:41:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 156 states and 368 transitions. [2024-11-13 22:41:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 368 transitions. [2024-11-13 22:41:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:41:19,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:20,059 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 499 DAG size of output: 262 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:43:31,474 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 501 DAG size of output: 265 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:43:47,297 WARN L286 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 501 DAG size of output: 264 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:43:55,804 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 503 DAG size of output: 267 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:44:10,313 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 503 DAG size of output: 266 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:44:18,569 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 505 DAG size of output: 269 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:44:31,869 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 490 DAG size of output: 367 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:44:53,169 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 490 DAG size of output: 380 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:45:11,560 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 492 DAG size of output: 382 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:45:31,368 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 445 DAG size of output: 373 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:46:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 181 states and 427 transitions. [2024-11-13 22:46:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 427 transitions. [2024-11-13 22:46:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:46:26,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:26,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:46:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 189 states and 456 transitions. [2024-11-13 22:46:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 456 transitions. [2024-11-13 22:46:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:46:59,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:59,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat