./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:54,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:54,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:05:54,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:54,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:54,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:54,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:54,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:54,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:54,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:54,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:54,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:54,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:54,512 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:54,512 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:54,513 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:05:54,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:54,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:54,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:54,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:54,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:54,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:54,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:54,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:54,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:54,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:54,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:54,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:54,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:54,522 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_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2023-11-24 23:05:54,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:54,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:54,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:54,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:54,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:54,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2023-11-24 23:05:57,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:58,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:58,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2023-11-24 23:05:58,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/data/f6bc30cb6/671113b849a94b0d87a9b0c448de17f3/FLAG1d1c299d8 [2023-11-24 23:05:58,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/data/f6bc30cb6/671113b849a94b0d87a9b0c448de17f3 [2023-11-24 23:05:58,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:58,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:58,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:58,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:58,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:58,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:58,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3b2955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58, skipping insertion in model container [2023-11-24 23:05:58,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:58,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:58,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:58,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:58,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:58,976 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:58,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58 WrapperNode [2023-11-24 23:05:58,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:58,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:58,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:58,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:58,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,059 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-24 23:05:59,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:59,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:59,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:59,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:59,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:59,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:59,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:59,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:59,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:58" (1/1) ... [2023-11-24 23:05:59,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:59,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf8de2a-2e0c-43ca-bedf-b23c36069486/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:59,420 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:59,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:59,793 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:59,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:59,913 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:05:59,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:59 BoogieIcfgContainer [2023-11-24 23:05:59,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:59,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:59,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:59,933 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:59,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-24 23:06:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-24 23:06:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:06:00,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-24 23:06:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-24 23:06:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:06:00,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-24 23:06:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-24 23:06:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:01,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-24 23:06:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-24 23:06:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:02,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2023-11-24 23:06:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-24 23:06:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:02,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2023-11-24 23:06:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-24 23:06:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:03,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-24 23:06:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-24 23:06:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:06:04,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2023-11-24 23:06:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-11-24 23:06:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:06:05,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:08,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2023-11-24 23:06:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-11-24 23:06:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:06:08,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:08,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2023-11-24 23:06:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2023-11-24 23:06:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:10,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2023-11-24 23:06:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2023-11-24 23:06:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:11,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2023-11-24 23:06:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-24 23:06:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:12,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-24 23:06:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-24 23:06:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:13,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2023-11-24 23:06:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2023-11-24 23:06:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:14,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2023-11-24 23:06:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2023-11-24 23:06:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:18,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 111 transitions. [2023-11-24 23:06:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2023-11-24 23:06:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:20,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-11-24 23:06:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-24 23:06:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:23,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2023-11-24 23:06:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2023-11-24 23:06:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:26,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2023-11-24 23:06:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2023-11-24 23:06:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:27,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2023-11-24 23:06:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2023-11-24 23:06:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:30,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-24 23:06:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-24 23:06:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:35,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2023-11-24 23:06:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-24 23:06:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:38,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:38,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2023-11-24 23:06:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2023-11-24 23:06:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:41,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2023-11-24 23:06:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2023-11-24 23:06:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:44,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:06:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 135 transitions. [2023-11-24 23:06:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2023-11-24 23:06:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:49,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:06:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 72 states and 135 transitions. [2023-11-24 23:06:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2023-11-24 23:06:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:51,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat