./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.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_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/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_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/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_20ce870f-cd20-4ee4-93ac-019d9b67873f/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:00,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:00,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:14:00,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:14:00,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:14:00,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:00,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:14:00,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:14:00,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:00,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:00,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:00,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:00,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:14:00,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:00,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:00,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:00,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:00,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:00,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:00,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:00,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:00,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:00,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:14:00,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:14:00,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:14:00,297 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_20ce870f-cd20-4ee4-93ac-019d9b67873f/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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-13 22:14:00,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:00,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:00,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:00,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:00,668 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:00,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:14:02,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:03,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:03,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c [2024-11-13 22:14:03,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/data/ec867d940/4bf0f27fddec48bd895045ad0c229df5/FLAG50af4f175 [2024-11-13 22:14:03,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/data/ec867d940/4bf0f27fddec48bd895045ad0c229df5 [2024-11-13 22:14:03,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:03,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:03,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:03,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:03,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:03,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7567c2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03, skipping insertion in model container [2024-11-13 22:14:03,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:03,279 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_20ce870f-cd20-4ee4-93ac-019d9b67873f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c[573,586] [2024-11-13 22:14:03,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:03,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:14:03,314 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_20ce870f-cd20-4ee4-93ac-019d9b67873f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c[573,586] [2024-11-13 22:14:03,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:03,333 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:14:03,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03 WrapperNode [2024-11-13 22:14:03,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:03,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:03,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:14:03,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:14:03,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,365 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-13 22:14:03,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:03,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:14:03,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:14:03,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:14:03,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:14:03,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:14:03,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:14:03,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:14:03,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:03,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:14:03,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:14:03,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ce870f-cd20-4ee4-93ac-019d9b67873f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:14:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:14:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:14:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:14:03,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:14:03,547 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:14:03,664 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:14:03,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:14:03,704 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:14:03,705 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:14:03,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:03 BoogieIcfgContainer [2024-11-13 22:14:03,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:14:03,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:14:03,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:14:03,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:14:03,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:03" (1/1) ... [2024-11-13 22:14:03,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:14:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 22:14:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 22:14:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:14:03,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:03,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 22:14:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 22:14:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:14:04,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:04,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:04,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:14:04,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 22:14:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 22:14:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:14:04,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:04,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-13 22:14:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 22:14:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:14:05,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:05,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:05,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:14:05,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-13 22:14:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 22:14:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:14:06,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:06,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:14:06,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:14:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 22:14:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 22:14:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:14:07,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:07,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:14:07,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:14:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-13 22:14:09,592 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-13 22:14:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:14:09,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:09,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:09,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:14:09,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:14:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 69 transitions. [2024-11-13 22:14:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-11-13 22:14:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:14:14,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:14,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:14:14,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 22:14:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 76 transitions. [2024-11-13 22:14:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2024-11-13 22:14:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:14:18,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:18,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:14:18,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 22:14:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 82 transitions. [2024-11-13 22:14:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2024-11-13 22:14:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:14:22,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:22,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:23,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:14:23,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 22:14:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 88 transitions. [2024-11-13 22:14:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2024-11-13 22:14:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:14:28,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:28,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:14:28,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-13 22:14:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 94 transitions. [2024-11-13 22:14:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2024-11-13 22:14:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 22:14:35,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:35,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:35,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:14:35,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:14:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 146 transitions. [2024-11-13 22:14:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2024-11-13 22:14:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 22:14:51,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:51,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:14:51,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 22:15:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 151 transitions. [2024-11-13 22:15:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2024-11-13 22:15:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 22:15:02,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:02,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:02,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:15:02,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-13 22:15:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 93 states and 157 transitions. [2024-11-13 22:15:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2024-11-13 22:15:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 22:15:13,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:13,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:15:13,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 22:15:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 96 states and 163 transitions. [2024-11-13 22:15:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2024-11-13 22:15:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 22:15:25,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:25,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:25,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:15:25,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-13 22:15:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 99 states and 169 transitions. [2024-11-13 22:15:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2024-11-13 22:15:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 22:15:40,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:40,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:40,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:15:40,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-13 22:15:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 175 transitions. [2024-11-13 22:15:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 175 transitions. [2024-11-13 22:15:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 22:15:59,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:59,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 22:15:59,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 63 proven. 339 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-13 22:16:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 201 transitions. [2024-11-13 22:16:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2024-11-13 22:16:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 22:16:28,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:28,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:28,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:16:28,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 63 proven. 305 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-13 22:16:45,370 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 371 DAG size of output: 337 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:16:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 206 transitions. [2024-11-13 22:16:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2024-11-13 22:16:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 22:16:56,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:56,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:16:56,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 73 proven. 380 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-13 22:17:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 212 transitions. [2024-11-13 22:17:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2024-11-13 22:17:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 22:17:21,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:22,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 22:17:22,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 146 proven. 395 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 22:17:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 126 states and 218 transitions. [2024-11-13 22:17:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2024-11-13 22:17:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 22:17:53,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:53,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:54,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 22:17:54,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 92 proven. 474 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-13 22:18:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 224 transitions. [2024-11-13 22:18:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 224 transitions. [2024-11-13 22:18:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 22:18:29,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:29,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:29,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 22:18:29,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 90 proven. 576 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-13 22:19:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 230 transitions. [2024-11-13 22:19:06,696 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2024-11-13 22:19:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 22:19:06,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:06,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:06,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:19:06,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 91 proven. 552 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-13 22:19:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 236 transitions. [2024-11-13 22:19:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2024-11-13 22:19:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 22:19:48,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:48,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:49,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 22:19:49,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 144 proven. 698 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-13 22:20:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 242 transitions. [2024-11-13 22:20:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 242 transitions. [2024-11-13 22:20:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 22:20:39,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:40,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 22:20:40,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 119 proven. 710 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-13 22:21:57,396 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 692 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:21:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 159 states and 278 transitions. [2024-11-13 22:21:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2024-11-13 22:21:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 22:21:57,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:21:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:57,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 22:21:57,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 102 proven. 673 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2024-11-13 22:22:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 159 states and 278 transitions. [2024-11-13 22:22:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2024-11-13 22:22:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 22:22:28,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:22:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:29,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 22:22:29,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 138 proven. 846 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-13 22:23:12,386 WARN L286 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 667 DAG size of output: 619 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:19,860 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 620 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:35,532 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 715 DAG size of output: 656 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 162 states and 283 transitions. [2024-11-13 22:23:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 283 transitions. [2024-11-13 22:23:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 22:23:43,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:43,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 22:23:43,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 233 proven. 864 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 22:24:25,495 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 691 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:24:34,187 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 692 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:24:43,305 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 703 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:24:50,566 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 704 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:24:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 165 states and 289 transitions. [2024-11-13 22:24:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2024-11-13 22:24:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 22:24:50,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:50,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:51,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:24:51,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 124 proven. 778 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-13 22:25:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 165 states and 289 transitions. [2024-11-13 22:25:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2024-11-13 22:25:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 22:25:22,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:22,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-13 22:25:23,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 332 proven. 809 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2024-11-13 22:26:09,696 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification. DAG size of input: 715 DAG size of output: 656 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:26:36,489 WARN L286 SmtUtils]: Spent 14.94s on a formula simplification. DAG size of input: 721 DAG size of output: 697 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:26:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 294 transitions. [2024-11-13 22:26:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2024-11-13 22:26:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 22:26:44,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:44,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:26:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:44,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 22:26:44,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:27:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 164 proven. 868 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2024-11-13 22:27:30,084 WARN L286 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 703 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:37,786 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 704 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:46,207 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 748 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:53,999 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 749 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:27:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 171 states and 300 transitions. [2024-11-13 22:27:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2024-11-13 22:27:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 22:27:54,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:27:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:54,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:27:54,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 111 proven. 806 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked.