./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL --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 e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:45:03,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:45:03,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:45:03,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:45:03,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:45:03,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:45:03,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:45:03,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:45:03,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:45:03,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:45:03,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:45:03,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:45:03,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:45:03,270 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:45:03,270 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:45:03,271 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:45:03,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:45:03,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:45:03,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:45:03,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:45:03,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:45:03,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:45:03,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:45:03,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:45:03,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:03,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:45:03,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:45:03,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:45:03,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:45:03,293 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_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2023-11-19 03:45:03,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:45:03,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:45:03,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:45:03,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:45:03,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:45:03,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2023-11-19 03:45:06,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:06,922 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:06,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2023-11-19 03:45:06,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/data/52373319d/17e165edd98049b2808f567abef45b8d/FLAGa0077dea6 [2023-11-19 03:45:06,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/data/52373319d/17e165edd98049b2808f567abef45b8d [2023-11-19 03:45:06,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:06,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:06,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:06,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:06,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:06,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc9a604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06, skipping insertion in model container [2023-11-19 03:45:06,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:07,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:07,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:07,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:07,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:07,492 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:07,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07 WrapperNode [2023-11-19 03:45:07,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:07,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:07,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:07,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:07,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,559 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-19 03:45:07,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:07,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:07,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:07,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:07,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:07,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:07,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:07,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:07,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:07" (1/1) ... [2023-11-19 03:45:07,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:07,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:07,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c7557e-7c97-4a2d-ac1c-5281e1cc8437/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:45:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:45:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:45:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:45:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:07,785 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:07,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:08,091 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:08,254 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:08,254 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:45:08,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:08 BoogieIcfgContainer [2023-11-19 03:45:08,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:08,264 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:08,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:08,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:08,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:08" (1/1) ... [2023-11-19 03:45:08,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2023-11-19 03:45:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-19 03:45:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:45:08,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-19 03:45:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-19 03:45:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:45:08,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-19 03:45:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-19 03:45:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:09,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-19 03:45:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 03:45:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:09,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2023-11-19 03:45:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-11-19 03:45:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:10,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:10,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-19 03:45:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-19 03:45:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:11,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:11,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-11-19 03:45:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-11-19 03:45:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:45:12,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:12,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2023-11-19 03:45:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-19 03:45:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:45:13,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2023-11-19 03:45:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2023-11-19 03:45:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:45:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:14,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2023-11-19 03:45:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2023-11-19 03:45:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:16,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 03:45:17,621 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 03:45:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:17,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2023-11-19 03:45:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2023-11-19 03:45:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:20,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:20,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 61 states and 111 transitions. [2023-11-19 03:45:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2023-11-19 03:45:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:20,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:20,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 118 transitions. [2023-11-19 03:45:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2023-11-19 03:45:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:22,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 118 transitions. [2023-11-19 03:45:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2023-11-19 03:45:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:22,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 135 transitions. [2023-11-19 03:45:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2023-11-19 03:45:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:25,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:25,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2023-11-19 03:45:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2023-11-19 03:45:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:25,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2023-11-19 03:45:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2023-11-19 03:45:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:30,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:30,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2023-11-19 03:45:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2023-11-19 03:45:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:32,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 75 states and 145 transitions. [2023-11-19 03:45:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 145 transitions. [2023-11-19 03:45:32,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:32,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:32,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 149 transitions. [2023-11-19 03:45:34,414 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2023-11-19 03:45:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:34,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:34,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2023-11-19 03:45:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2023-11-19 03:45:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:35,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2023-11-19 03:45:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2023-11-19 03:45:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:37,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2023-11-19 03:45:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2023-11-19 03:45:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:41,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:41,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:45:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 85 states and 171 transitions. [2023-11-19 03:45:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 171 transitions. [2023-11-19 03:45:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:42,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:45:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 87 states and 176 transitions. [2023-11-19 03:45:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 176 transitions. [2023-11-19 03:45:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:44,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:44,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 88 states and 180 transitions. [2023-11-19 03:45:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 180 transitions. [2023-11-19 03:45:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:50,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 94 states and 203 transitions. [2023-11-19 03:45:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 203 transitions. [2023-11-19 03:45:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:56,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat