./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:02,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:02,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:13:02,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:02,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:02,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:02,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:02,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:02,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:02,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:02,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:02,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:02,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:02,732 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:13:02,733 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:13:02,734 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:13:02,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:02,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:13:02,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:02,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:02,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:02,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:02,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:02,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:02,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:02,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:02,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:02,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:02,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:02,745 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_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2023-11-24 22:13:03,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:03,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:03,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:03,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:03,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:03,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-24 22:13:06,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:06,631 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:06,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-24 22:13:06,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/data/1d07d6df0/cc2a08343db6432fb25bf35d2aa4e5df/FLAGa19efb617 [2023-11-24 22:13:06,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/data/1d07d6df0/cc2a08343db6432fb25bf35d2aa4e5df [2023-11-24 22:13:06,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:06,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:06,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:06,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:06,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:06,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cefcd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:06, skipping insertion in model container [2023-11-24 22:13:06,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:06" (1/1) ... [2023-11-24 22:13:06,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:07,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:07,315 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:07,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:07,466 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:07,475 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:07,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07 WrapperNode [2023-11-24 22:13:07,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:07,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:07,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:07,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:07,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,570 INFO L138 Inliner]: procedures = 184, calls = 150, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 344 [2023-11-24 22:13:07,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:07,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:07,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:07,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:07,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:07,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:07,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:07,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:07,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:07" (1/1) ... [2023-11-24 22:13:07,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:07,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:07,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:07,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e763286d-f429-4396-8443-bf1618a441d9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:13:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2023-11-24 22:13:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2023-11-24 22:13:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:13:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:13:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2023-11-24 22:13:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2023-11-24 22:13:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:13:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2023-11-24 22:13:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2023-11-24 22:13:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2023-11-24 22:13:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2023-11-24 22:13:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:13:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2023-11-24 22:13:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2023-11-24 22:13:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2023-11-24 22:13:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2023-11-24 22:13:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2023-11-24 22:13:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2023-11-24 22:13:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-24 22:13:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:08,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:08,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:09,303 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:09,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:09,438 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:13:09,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:09 BoogieIcfgContainer [2023-11-24 22:13:09,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:09,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:09,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:09,454 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:09,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:09" (1/1) ... [2023-11-24 22:13:09,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 387 states and 434 transitions. [2023-11-24 22:13:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2023-11-24 22:13:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:13:09,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 386 states and 433 transitions. [2023-11-24 22:13:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2023-11-24 22:13:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:13:09,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 385 states and 432 transitions. [2023-11-24 22:13:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2023-11-24 22:13:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:13:10,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:10,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 384 states and 431 transitions. [2023-11-24 22:13:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2023-11-24 22:13:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:13:10,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 383 states and 430 transitions. [2023-11-24 22:13:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2023-11-24 22:13:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:10,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 382 states and 429 transitions. [2023-11-24 22:13:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2023-11-24 22:13:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:10,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 381 states and 428 transitions. [2023-11-24 22:13:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2023-11-24 22:13:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:13:11,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:11,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-24 22:13:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-24 22:13:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:13:12,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:12,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-24 22:13:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-24 22:13:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:13:13,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:13,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-24 22:13:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-24 22:13:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:13:13,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 377 states and 424 transitions. [2023-11-24 22:13:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2023-11-24 22:13:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 376 states and 423 transitions. [2023-11-24 22:13:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 423 transitions. [2023-11-24 22:13:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:14,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 375 states and 422 transitions. [2023-11-24 22:13:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2023-11-24 22:13:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:13:14,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 374 states and 421 transitions. [2023-11-24 22:13:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 421 transitions. [2023-11-24 22:13:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:13:14,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 373 states and 420 transitions. [2023-11-24 22:13:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2023-11-24 22:13:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:13:14,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 372 states and 419 transitions. [2023-11-24 22:13:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 419 transitions. [2023-11-24 22:13:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:13:14,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 371 states and 418 transitions. [2023-11-24 22:13:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 418 transitions. [2023-11-24 22:13:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:13:15,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 373 states and 428 transitions. [2023-11-24 22:13:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 428 transitions. [2023-11-24 22:13:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:13:15,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 375 states and 438 transitions. [2023-11-24 22:13:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-11-24 22:13:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:13:18,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 382 states and 456 transitions. [2023-11-24 22:13:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2023-11-24 22:13:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:13:20,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 389 states and 475 transitions. [2023-11-24 22:13:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 475 transitions. [2023-11-24 22:13:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:13:24,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 393 states and 480 transitions. [2023-11-24 22:13:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 480 transitions. [2023-11-24 22:13:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:13:24,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 397 states and 486 transitions. [2023-11-24 22:13:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 486 transitions. [2023-11-24 22:13:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:13:26,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 400 states and 502 transitions. [2023-11-24 22:13:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 502 transitions. [2023-11-24 22:13:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:13:31,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 404 states and 507 transitions. [2023-11-24 22:13:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 507 transitions. [2023-11-24 22:13:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:13:32,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 413 states and 531 transitions. [2023-11-24 22:13:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 531 transitions. [2023-11-24 22:13:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:38,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:38,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 420 states and 545 transitions. [2023-11-24 22:13:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 545 transitions. [2023-11-24 22:13:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:41,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 427 states and 558 transitions. [2023-11-24 22:13:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 558 transitions. [2023-11-24 22:13:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:45,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 426 states and 557 transitions. [2023-11-24 22:13:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 557 transitions. [2023-11-24 22:13:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:46,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:46,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 435 states and 584 transitions. [2023-11-24 22:13:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 584 transitions. [2023-11-24 22:13:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:56,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:56,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 439 states and 589 transitions. [2023-11-24 22:13:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 589 transitions. [2023-11-24 22:13:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:57,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.