./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.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_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/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_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/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_89586678-97d9-4e7c-a649-b07ee5973744/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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:34,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:34,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:15:34,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:34,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:34,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:34,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:34,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:34,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:34,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:34,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:34,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:34,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:15:34,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:34,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:15:34,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:34,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:34,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:34,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:34,697 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:34,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:34,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:34,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:34,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:34,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:34,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:34,698 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:34,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:34,698 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_89586678-97d9-4e7c-a649-b07ee5973744/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 -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2024-11-13 23:15:35,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:35,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:35,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:35,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:35,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:35,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i Unable to find full path for "g++" [2024-11-13 23:15:37,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:38,161 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:38,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-11-13 23:15:38,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/data/d6a3b54a2/f3f04de52a4f4111ae6e8b778a4a2e69/FLAGc49d07b1d [2024-11-13 23:15:38,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/data/d6a3b54a2/f3f04de52a4f4111ae6e8b778a4a2e69 [2024-11-13 23:15:38,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:38,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:38,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:38,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:38,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:38,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15802483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38, skipping insertion in model container [2024-11-13 23:15:38,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:38,499 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_89586678-97d9-4e7c-a649-b07ee5973744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-13 23:15:38,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:38,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:38,637 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_89586678-97d9-4e7c-a649-b07ee5973744/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-13 23:15:38,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:38,723 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:38,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38 WrapperNode [2024-11-13 23:15:38,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:38,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:38,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:38,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:38,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,811 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-13 23:15:38,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:38,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:38,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:38,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:38,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:38,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:38,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:38,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:38,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:38" (1/1) ... [2024-11-13 23:15:38,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:38,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:38,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:38,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89586678-97d9-4e7c-a649-b07ee5973744/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:15:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:15:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:15:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:15:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:39,192 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:39,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:39,861 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:39,862 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:40,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:40,585 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:40,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:40 BoogieIcfgContainer [2024-11-13 23:15:40,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:40,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:40,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:40,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:40,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-13 23:15:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-13 23:15:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:15:40,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 23:16:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2024-11-13 23:16:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2024-11-13 23:16:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 23:16:23,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 36 proven. 61 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-13 23:18:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 118 states and 211 transitions. [2024-11-13 23:18:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 211 transitions. [2024-11-13 23:18:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 23:18:42,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:42,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 134 proven. 149 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2024-11-13 23:24:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 203 states and 400 transitions. [2024-11-13 23:24:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 400 transitions. [2024-11-13 23:24:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-13 23:24:23,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2823 backedges. 92 proven. 124 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked.