./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 cf1a7837 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_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/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_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:55:19,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:19,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:55:19,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:19,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:19,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:19,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:19,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:19,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:19,362 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:19,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:19,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:19,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:19,366 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:55:19,366 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:55:19,367 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:55:19,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:19,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:19,368 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:19,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:19,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:19,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:19,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:19,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:19,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:19,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:19,372 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:19,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:19,373 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_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2023-11-11 23:55:19,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:19,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:19,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:19,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:19,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:19,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2023-11-11 23:55:22,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:23,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:23,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2023-11-11 23:55:23,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/data/6516185e6/20db13a5c1ec40e2908265d2741f4043/FLAG008d0859b [2023-11-11 23:55:23,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/data/6516185e6/20db13a5c1ec40e2908265d2741f4043 [2023-11-11 23:55:23,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:23,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:23,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:23,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:23,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:23,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb86187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23, skipping insertion in model container [2023-11-11 23:55:23,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:23,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:23,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:23,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:23,681 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:23,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23 WrapperNode [2023-11-11 23:55:23,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:23,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:23,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:23,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:23,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,737 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-11 23:55:23,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:23,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:23,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:23,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:23,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:23,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:23,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:23,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:23,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:23,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:23,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:23,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d890b2d-5887-4bff-a64d-4aacc5effc72/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:23,978 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:23,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:24,270 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:24,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:24,383 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:55:24,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:24 BoogieIcfgContainer [2023-11-11 23:55:24,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:24,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:24,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:24,398 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:24,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:24" (1/1) ... [2023-11-11 23:55:24,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-11 23:55:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-11 23:55:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:55:24,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-11 23:55:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-11 23:55:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:55:24,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-11 23:55:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-11 23:55:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:25,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-11 23:55:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-11 23:55:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:25,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2023-11-11 23:55:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-11 23:55:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:26,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2023-11-11 23:55:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-11 23:55:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:55:27,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:27,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-11 23:55:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-11 23:55:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:28,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2023-11-11 23:55:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-11-11 23:55:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:28,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:28,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2023-11-11 23:55:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2023-11-11 23:55:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:55:31,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:31,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2023-11-11 23:55:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2023-11-11 23:55:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:33,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:33,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2023-11-11 23:55:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2023-11-11 23:55:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:33,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2023-11-11 23:55:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-11 23:55:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:35,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2023-11-11 23:55:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2023-11-11 23:55:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:35,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:55:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2023-11-11 23:55:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2023-11-11 23:55:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:36,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2023-11-11 23:55:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2023-11-11 23:55:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:38,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:55:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2023-11-11 23:55:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2023-11-11 23:55:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:39,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:40,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2023-11-11 23:55:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2023-11-11 23:55:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:43,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:55:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 64 states and 115 transitions. [2023-11-11 23:55:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 115 transitions. [2023-11-11 23:55:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:44,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:44,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 66 states and 119 transitions. [2023-11-11 23:55:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 119 transitions. [2023-11-11 23:55:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:45,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 68 states and 124 transitions. [2023-11-11 23:55:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 124 transitions. [2023-11-11 23:55:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:47,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:48,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 71 states and 133 transitions. [2023-11-11 23:55:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2023-11-11 23:55:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:53,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:55:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 136 transitions. [2023-11-11 23:55:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2023-11-11 23:55:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:55,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2023-11-11 23:55:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2023-11-11 23:55:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:57,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:55:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2023-11-11 23:55:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2023-11-11 23:55:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:58,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:56:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2023-11-11 23:56:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2023-11-11 23:56:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:03,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:56:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 149 transitions. [2023-11-11 23:56:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2023-11-11 23:56:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:04,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:56:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2023-11-11 23:56:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2023-11-11 23:56:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:05,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:05,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:56:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 152 transitions. [2023-11-11 23:56:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 152 transitions. [2023-11-11 23:56:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:06,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:06,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:56:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2023-11-11 23:56:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2023-11-11 23:56:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:11,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:56:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 72 states and 131 transitions. [2023-11-11 23:56:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2023-11-11 23:56:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:12,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:12,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:56:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 136 transitions. [2023-11-11 23:56:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 136 transitions. [2023-11-11 23:56:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:13,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.