./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0102-1.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_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/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_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0102-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/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_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/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 fa260939b291574cde59d3c10d7828de68c26744f55119227115b01940792a6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:26,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:26,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:01:26,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:26,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:26,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:26,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:26,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:26,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:26,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:26,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:26,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:26,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:26,566 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:01:26,566 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:01:26,567 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:01:26,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:26,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:26,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:26,586 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:26,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:26,587 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:26,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:26,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:26,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:26,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:26,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:26,592 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:26,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:26,593 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_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa260939b291574cde59d3c10d7828de68c26744f55119227115b01940792a6f [2023-11-19 03:01:26,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:26,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:26,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:26,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:26,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:26,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety/test-0102-1.i [2023-11-19 03:01:29,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:30,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:30,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/sv-benchmarks/c/memsafety/test-0102-1.i [2023-11-19 03:01:30,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/data/f3d69d558/717aa312c00e48a3bd918ea5c34e6ebd/FLAG1a4d135b6 [2023-11-19 03:01:30,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/data/f3d69d558/717aa312c00e48a3bd918ea5c34e6ebd [2023-11-19 03:01:30,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:30,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:30,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:30,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:30,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:30,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db0338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30, skipping insertion in model container [2023-11-19 03:01:30,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:30,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:30,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:30,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:30,797 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:30,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30 WrapperNode [2023-11-19 03:01:30,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:30,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:30,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:30,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:30,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,854 INFO L138 Inliner]: procedures = 133, calls = 38, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 167 [2023-11-19 03:01:30,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:30,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:30,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:30,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:30,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:30,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:30,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:30,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:30,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:30" (1/1) ... [2023-11-19 03:01:30,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:30,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:30,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:31,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9d121e-741c-4fae-90b8-5c9d7ad2e3a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:01:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:01:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:31,201 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:31,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:31,726 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:31,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:31,820 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:01:31,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:31 BoogieIcfgContainer [2023-11-19 03:01:31,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:31,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:31,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:31,838 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:31,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:31" (1/1) ... [2023-11-19 03:01:31,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 115 states and 123 transitions. [2023-11-19 03:01:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2023-11-19 03:01:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:01:31,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:32,290 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 03:01:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 121 transitions. [2023-11-19 03:01:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2023-11-19 03:01:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:01:32,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:32,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:32,433 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 03:01:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 120 transitions. [2023-11-19 03:01:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2023-11-19 03:01:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:01:32,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:32,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:32,616 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 03:01:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2023-11-19 03:01:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2023-11-19 03:01:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:01:32,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:32,783 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 03:01:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2023-11-19 03:01:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2023-11-19 03:01:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:32,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,048 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 03:01:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2023-11-19 03:01:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2023-11-19 03:01:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:33,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,196 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 03:01:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2023-11-19 03:01:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2023-11-19 03:01:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:33,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,557 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 03:01:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 112 states and 120 transitions. [2023-11-19 03:01:33,812 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 120 transitions. [2023-11-19 03:01:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:33,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,171 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 03:01:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 115 states and 124 transitions. [2023-11-19 03:01:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2023-11-19 03:01:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:34,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,921 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 03:01:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 114 states and 123 transitions. [2023-11-19 03:01:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2023-11-19 03:01:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:34,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,239 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 03:01:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2023-11-19 03:01:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2023-11-19 03:01:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:35,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,764 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 03:01:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 117 states and 129 transitions. [2023-11-19 03:01:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2023-11-19 03:01:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:36,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,700 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 03:01:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 119 states and 133 transitions. [2023-11-19 03:01:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2023-11-19 03:01:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:37,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,814 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 03:01:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 118 states and 132 transitions. [2023-11-19 03:01:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2023-11-19 03:01:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:37,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:38,302 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 03:01:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2023-11-19 03:01:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-11-19 03:01:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:39,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:40,551 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 03:01:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 128 states and 151 transitions. [2023-11-19 03:01:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2023-11-19 03:01:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:43,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:43,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:44,691 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 03:01:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 135 states and 166 transitions. [2023-11-19 03:01:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 166 transitions. [2023-11-19 03:01:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:01:49,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:49,778 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 03:01:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 145 states and 191 transitions. [2023-11-19 03:01:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2023-11-19 03:01:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:01:55,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,303 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 03:02:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 155 states and 217 transitions. [2023-11-19 03:02:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2023-11-19 03:02:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:04,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,097 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 03:02:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 154 states and 216 transitions. [2023-11-19 03:02:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 216 transitions. [2023-11-19 03:02:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:04,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,478 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 03:02:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 155 states and 217 transitions. [2023-11-19 03:02:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2023-11-19 03:02:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:04,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 161 states and 232 transitions. [2023-11-19 03:02:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2023-11-19 03:02:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:11,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 170 states and 253 transitions. [2023-11-19 03:02:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 253 transitions. [2023-11-19 03:02:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:21,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,415 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 03:02:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 169 states and 251 transitions. [2023-11-19 03:02:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 251 transitions. [2023-11-19 03:02:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:21,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,552 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 03:02:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 168 states and 250 transitions. [2023-11-19 03:02:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 250 transitions. [2023-11-19 03:02:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:21,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 167 states and 248 transitions. [2023-11-19 03:02:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 248 transitions. [2023-11-19 03:02:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:22,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat