./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label57.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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/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 bea9e19089383bc0164dc4e36aa721d6c44729d5672e3fc5e450e2d0c7d34e28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:03,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:03,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:49:03,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:49:03,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:49:03,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:03,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:03,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:03,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:03,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:03,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:03,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:03,833 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:49:03,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:03,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:49:03,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:03,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:03,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:03,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:03,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:03,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:49:03,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:03,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:03,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:03,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:03,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:03,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:03,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:03,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:03,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:03,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:03,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:49:03,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:49:03,848 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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bea9e19089383bc0164dc4e36aa721d6c44729d5672e3fc5e450e2d0c7d34e28 [2024-11-08 23:49:04,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:04,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:04,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:04,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:04,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:04,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label57.c Unable to find full path for "g++" [2024-11-08 23:49:06,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:07,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:07,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/sv-benchmarks/c/eca-rers2012/Problem14_label57.c [2024-11-08 23:49:07,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/data/1bb6ddaad/a74b3a3d76b24d0f915b850c484c5730/FLAG7b9ea53ca [2024-11-08 23:49:07,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/data/1bb6ddaad/a74b3a3d76b24d0f915b850c484c5730 [2024-11-08 23:49:07,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:07,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:07,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:07,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:07,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:07,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:07" (1/1) ... [2024-11-08 23:49:07,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c0d1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:07, skipping insertion in model container [2024-11-08 23:49:07,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:07" (1/1) ... [2024-11-08 23:49:07,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:07,563 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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/sv-benchmarks/c/eca-rers2012/Problem14_label57.c[3243,3256] [2024-11-08 23:49:07,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:07,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:07,929 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_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/sv-benchmarks/c/eca-rers2012/Problem14_label57.c[3243,3256] [2024-11-08 23:49:08,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:08,276 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:08,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08 WrapperNode [2024-11-08 23:49:08,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:08,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:08,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:08,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:08,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,424 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 23:49:08,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:08,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:08,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:08,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:08,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:08,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:08,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:08,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:08,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:08" (1/1) ... [2024-11-08 23:49:08,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:08,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:08,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:08,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc60c76-981f-43ef-a30d-e6fa6333cf4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:49:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:08,793 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:08,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:10,814 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:10,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:16,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:16,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:49:16,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:16 BoogieIcfgContainer [2024-11-08 23:49:16,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:17,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:17,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:17,088 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:17,088 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:16" (1/1) ... [2024-11-08 23:49:17,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:49:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:49:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:49:17,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:49:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:49:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:49:17,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:17,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:41,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:41,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 23:49:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 23:49:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:49:41,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:41,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:50:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-08 23:50:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-08 23:50:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:50:33,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:33,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:50:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:51:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2024-11-08 23:51:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2024-11-08 23:51:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:51:53,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:53,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:36,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2024-11-08 23:54:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2024-11-08 23:54:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:54:38,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:38,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:58:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2024-11-08 23:58:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2024-11-08 23:58:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:58:44,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat