./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i --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_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/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_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/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_d9f29196-f304-4980-b4c5-82cce71d02d1/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 3d3457578c17fc1bdee00c1562f84acead0e6ee0268003a332891d4353885ff1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:24,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:24,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:24,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:24,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:24,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:24,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:24,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:24,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:24,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:24,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:24,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:24,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:24,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:24,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:24,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:24,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:24,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:24,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:24,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:24,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:24,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:24,214 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_d9f29196-f304-4980-b4c5-82cce71d02d1/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 -> 3d3457578c17fc1bdee00c1562f84acead0e6ee0268003a332891d4353885ff1 [2024-11-13 20:17:24,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:24,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:24,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:24,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:24,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:24,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i Unable to find full path for "g++" [2024-11-13 20:17:26,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:26,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:26,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i [2024-11-13 20:17:26,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/data/a4c24a349/74bcbfa9f263436c9960d9d4a5d7b1ea/FLAGce09e9356 [2024-11-13 20:17:27,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/data/a4c24a349/74bcbfa9f263436c9960d9d4a5d7b1ea [2024-11-13 20:17:27,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:27,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:27,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:27,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:27,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cff011a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27, skipping insertion in model container [2024-11-13 20:17:27,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:27,211 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_d9f29196-f304-4980-b4c5-82cce71d02d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i[916,929] [2024-11-13 20:17:27,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:27,295 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_d9f29196-f304-4980-b4c5-82cce71d02d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-57.i[916,929] [2024-11-13 20:17:27,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,350 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:27,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27 WrapperNode [2024-11-13 20:17:27,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:27,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:27,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,408 INFO L138 Inliner]: procedures = 29, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 448 [2024-11-13 20:17:27,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:27,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:27,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9f29196-f304-4980-b4c5-82cce71d02d1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:17:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:27,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:27,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:28,405 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:28,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:29,140 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:29,141 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:29,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:29 BoogieIcfgContainer [2024-11-13 20:17:29,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:29,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:29,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:29,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:29,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:29" (1/1) ... [2024-11-13 20:17:29,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2024-11-13 20:17:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 20:17:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:17:29,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:29,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-13 20:18:30,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 82 states and 136 transitions. [2024-11-13 20:18:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2024-11-13 20:18:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 20:18:30,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 145 proven. 72 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-11-13 20:23:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 158 states and 283 transitions. [2024-11-13 20:23:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 283 transitions. [2024-11-13 20:23:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-13 20:23:09,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:09,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2977 backedges. 84 proven. 143 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-11-13 20:29:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 233 states and 477 transitions. [2024-11-13 20:29:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 477 transitions. [2024-11-13 20:29:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-13 20:29:38,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:38,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat