./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.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_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/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_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/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_67c4dc09-b613-4169-993d-efeaf25c438c/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 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:15:28,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:15:28,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:15:28,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:15:28,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:15:28,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:15:28,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:15:28,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:15:28,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:15:28,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:15:28,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:15:28,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:15:28,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:28,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:15:28,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:15:28,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:15:28,609 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_67c4dc09-b613-4169-993d-efeaf25c438c/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 -> 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 [2024-12-06 02:15:28,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:15:28,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:15:28,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:15:28,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:15:28,852 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:15:28,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 02:15:31,456 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/data/3d89fc65e/a4a88514dc7b45bfb501c168a39f3283/FLAG4054a19a3 [2024-12-06 02:15:31,711 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:15:31,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2024-12-06 02:15:31,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/data/3d89fc65e/a4a88514dc7b45bfb501c168a39f3283/FLAG4054a19a3 [2024-12-06 02:15:32,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/data/3d89fc65e/a4a88514dc7b45bfb501c168a39f3283 [2024-12-06 02:15:32,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:15:32,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:15:32,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:32,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:15:32,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:15:32,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781b22b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32, skipping insertion in model container [2024-12-06 02:15:32,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:15:32,265 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_67c4dc09-b613-4169-993d-efeaf25c438c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2024-12-06 02:15:32,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:32,276 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:15:32,330 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_67c4dc09-b613-4169-993d-efeaf25c438c/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2024-12-06 02:15:32,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:32,347 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:15:32,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32 WrapperNode [2024-12-06 02:15:32,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:32,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:32,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:15:32,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:15:32,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,391 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 527 [2024-12-06 02:15:32,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:32,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:15:32,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:15:32,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:15:32,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,412 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:15:32,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:15:32,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:15:32,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:15:32,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:32" (1/1) ... [2024-12-06 02:15:32,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:15:32,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:15:32,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c4dc09-b613-4169-993d-efeaf25c438c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:15:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:15:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:15:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:15:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:15:32,598 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:15:32,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:15:33,096 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 02:15:33,096 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:15:33,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:15:33,913 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:15:33,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:33 BoogieIcfgContainer [2024-12-06 02:15:33,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:15:33,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:15:33,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:15:33,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:15:33,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:33" (1/1) ... [2024-12-06 02:15:33,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:15:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 02:15:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 02:15:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:15:33,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:33,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:36,616 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 02:15:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 02:15:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 02:15:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:15:36,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:37,296 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 02:15:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 02:15:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 02:15:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:15:37,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:39,473 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 02:15:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 02:15:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 02:15:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:15:40,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:41,376 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 02:15:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-12-06 02:15:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-12-06 02:15:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:15:41,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-12-06 02:15:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 02:15:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:15:55,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-06 02:15:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-06 02:15:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:15:59,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2024-12-06 02:16:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2024-12-06 02:16:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:16:16,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:16,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2024-12-06 02:16:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2024-12-06 02:16:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:16:33,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 78 states and 147 transitions. [2024-12-06 02:16:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 147 transitions. [2024-12-06 02:16:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:16:45,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2024-12-06 02:16:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2024-12-06 02:16:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:16:58,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:58,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 95 states and 187 transitions. [2024-12-06 02:17:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 187 transitions. [2024-12-06 02:17:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:17:03,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 106 states and 214 transitions. [2024-12-06 02:17:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 214 transitions. [2024-12-06 02:17:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:17:17,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:17,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 108 states and 223 transitions. [2024-12-06 02:17:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 223 transitions. [2024-12-06 02:17:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:17:22,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 110 states and 230 transitions. [2024-12-06 02:17:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2024-12-06 02:17:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:17:25,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:25,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:17:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 119 states and 249 transitions. [2024-12-06 02:17:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 249 transitions. [2024-12-06 02:17:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:17:38,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:38,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:17:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 119 states and 248 transitions. [2024-12-06 02:17:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 248 transitions. [2024-12-06 02:17:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:17:40,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:40,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:20:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 145 states and 317 transitions. [2024-12-06 02:20:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 317 transitions. [2024-12-06 02:20:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:20:35,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat