./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk --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 77c0c06cf345be89a7bfdea692ab0197740d9f5ad98baaf39e02029ee2fea03a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:52,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:53,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:36:53,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:53,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:36:53,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:53,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:53,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:53,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:53,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:53,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:53,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:53,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:53,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:53,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:53,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:53,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:53,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:53,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:53,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:53,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:53,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:53,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:53,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:53,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:53,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:53,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:53,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:53,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:53,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:53,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:53,162 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:36:53,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:53,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77c0c06cf345be89a7bfdea692ab0197740d9f5ad98baaf39e02029ee2fea03a [2024-11-09 00:36:53,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:53,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:53,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:53,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:53,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:53,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem11_label56.c Unable to find full path for "g++" [2024-11-09 00:36:55,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:55,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:55,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/sv-benchmarks/c/eca-rers2012/Problem11_label56.c [2024-11-09 00:36:55,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/data/c3b3b2877/4b623925373e458abe21e1643a478285/FLAG874194090 [2024-11-09 00:36:55,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/data/c3b3b2877/4b623925373e458abe21e1643a478285 [2024-11-09 00:36:55,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:55,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:55,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:55,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:55,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:55,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:55" (1/1) ... [2024-11-09 00:36:55,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514994a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:55, skipping insertion in model container [2024-11-09 00:36:55,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:55" (1/1) ... [2024-11-09 00:36:55,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:56,160 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_736904c1-6511-45b1-a012-a7016f6de008/sv-benchmarks/c/eca-rers2012/Problem11_label56.c[5994,6007] [2024-11-09 00:36:56,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:56,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:56,583 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_736904c1-6511-45b1-a012-a7016f6de008/sv-benchmarks/c/eca-rers2012/Problem11_label56.c[5994,6007] [2024-11-09 00:36:56,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:56,880 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:56,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56 WrapperNode [2024-11-09 00:36:56,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:56,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:56,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:56,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:56,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:56,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,056 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-09 00:36:57,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:57,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:57,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:57,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:57,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:57,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:57,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:57,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:57,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:56" (1/1) ... [2024-11-09 00:36:57,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:36:57,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:36:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_736904c1-6511-45b1-a012-a7016f6de008/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:36:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:36:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:57,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:57,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:36:59,253 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-09 00:36:59,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:06,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:06,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:37:06,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:06 BoogieIcfgContainer [2024-11-09 00:37:06,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:06,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:06,595 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:06,606 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:06,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:06" (1/1) ... [2024-11-09 00:37:06,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:06,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:37:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:37:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:37:06,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:37:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:37:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:37:07,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:07,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-09 00:37:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-09 00:37:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:37:53,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:53,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-09 00:39:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-09 00:39:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:39:32,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 68 transitions. [2024-11-09 00:41:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 68 transitions. [2024-11-09 00:41:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:41:08,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:08,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:41:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat