./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 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_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/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_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/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_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/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_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/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 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:34,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:34,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:19:34,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:34,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:34,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:34,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:34,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:34,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:34,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:34,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:34,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:34,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:34,564 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:19:34,565 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:19:34,566 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:19:34,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:34,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:34,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:34,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:34,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:34,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:34,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:34,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:34,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:34,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:34,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:34,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:34,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:34,574 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_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2023-11-19 03:19:34,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:34,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:34,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:34,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:34,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:34,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-19 03:19:37,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:38,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:38,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2023-11-19 03:19:38,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/data/b9e699d20/8edc255427c446c5918a8cbfd5656b1b/FLAGc45c51152 [2023-11-19 03:19:38,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/data/b9e699d20/8edc255427c446c5918a8cbfd5656b1b [2023-11-19 03:19:38,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:38,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:38,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:38,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:38,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:38,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4168e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38, skipping insertion in model container [2023-11-19 03:19:38,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:39,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:39,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:39,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:39,202 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:39,210 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:39,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39 WrapperNode [2023-11-19 03:19:39,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:39,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:39,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:39,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:39,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,325 INFO L138 Inliner]: procedures = 184, calls = 150, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 339 [2023-11-19 03:19:39,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:39,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:39,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:39,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:39,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:39,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:39,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:39,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:39,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:39" (1/1) ... [2023-11-19 03:19:39,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:39,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:39,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f409dc9-1d18-4d22-98ef-2b6eb105e3b1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:19:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2023-11-19 03:19:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2023-11-19 03:19:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2023-11-19 03:19:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2023-11-19 03:19:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2023-11-19 03:19:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2023-11-19 03:19:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2023-11-19 03:19:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:19:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2023-11-19 03:19:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2023-11-19 03:19:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2023-11-19 03:19:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2023-11-19 03:19:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2023-11-19 03:19:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2023-11-19 03:19:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 03:19:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:39,714 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:39,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:40,932 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:41,068 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:41,069 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:19:41,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:41 BoogieIcfgContainer [2023-11-19 03:19:41,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:41,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:41,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:41,099 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:41,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 387 states and 434 transitions. [2023-11-19 03:19:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2023-11-19 03:19:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:41,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:41,613 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 03:19:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 386 states and 433 transitions. [2023-11-19 03:19:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2023-11-19 03:19:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:41,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:41,879 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 03:19:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 385 states and 432 transitions. [2023-11-19 03:19:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 432 transitions. [2023-11-19 03:19:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:41,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,047 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 03:19:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 384 states and 431 transitions. [2023-11-19 03:19:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2023-11-19 03:19:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:42,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,282 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 03:19:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 383 states and 430 transitions. [2023-11-19 03:19:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2023-11-19 03:19:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:42,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,592 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 03:19:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 382 states and 429 transitions. [2023-11-19 03:19:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2023-11-19 03:19:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:42,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,727 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 03:19:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 381 states and 428 transitions. [2023-11-19 03:19:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2023-11-19 03:19:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:42,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,117 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 03:19:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 380 states and 427 transitions. [2023-11-19 03:19:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 427 transitions. [2023-11-19 03:19:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:43,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,940 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 03:19:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 379 states and 426 transitions. [2023-11-19 03:19:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 426 transitions. [2023-11-19 03:19:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:44,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,952 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 03:19:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 378 states and 425 transitions. [2023-11-19 03:19:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 425 transitions. [2023-11-19 03:19:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:45,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,217 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 03:19:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 377 states and 424 transitions. [2023-11-19 03:19:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 424 transitions. [2023-11-19 03:19:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:45,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,476 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 03:19:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 376 states and 423 transitions. [2023-11-19 03:19:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 423 transitions. [2023-11-19 03:19:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:45,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,545 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 03:19:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 375 states and 422 transitions. [2023-11-19 03:19:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 422 transitions. [2023-11-19 03:19:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:45,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 374 states and 421 transitions. [2023-11-19 03:19:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 421 transitions. [2023-11-19 03:19:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:45,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,679 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 03:19:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 373 states and 420 transitions. [2023-11-19 03:19:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2023-11-19 03:19:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:45,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,808 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 03:19:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 372 states and 419 transitions. [2023-11-19 03:19:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 419 transitions. [2023-11-19 03:19:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:45,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,016 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 03:19:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 371 states and 418 transitions. [2023-11-19 03:19:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 418 transitions. [2023-11-19 03:19:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:46,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,579 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 03:19:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 373 states and 428 transitions. [2023-11-19 03:19:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 428 transitions. [2023-11-19 03:19:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:46,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,206 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 03:19:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 375 states and 438 transitions. [2023-11-19 03:19:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-11-19 03:19:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:48,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,009 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 03:19:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 382 states and 456 transitions. [2023-11-19 03:19:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2023-11-19 03:19:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:50,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,921 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 03:19:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 389 states and 475 transitions. [2023-11-19 03:19:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 475 transitions. [2023-11-19 03:19:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:53,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 393 states and 480 transitions. [2023-11-19 03:19:54,269 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 480 transitions. [2023-11-19 03:19:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:54,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,942 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 03:19:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 401 states and 501 transitions. [2023-11-19 03:19:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 501 transitions. [2023-11-19 03:19:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:58,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,304 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 03:20:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 404 states and 518 transitions. [2023-11-19 03:20:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 518 transitions. [2023-11-19 03:20:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:20:02,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,279 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 03:20:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 408 states and 523 transitions. [2023-11-19 03:20:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 523 transitions. [2023-11-19 03:20:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:20:03,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:04,153 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 03:20:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 412 states and 530 transitions. [2023-11-19 03:20:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 530 transitions. [2023-11-19 03:20:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:05,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:05,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:05,557 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 03:20:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 544 transitions. [2023-11-19 03:20:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2023-11-19 03:20:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:08,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:08,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:08,569 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 03:20:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 427 states and 561 transitions. [2023-11-19 03:20:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 561 transitions. [2023-11-19 03:20:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:12,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:12,510 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 03:20:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 426 states and 560 transitions. [2023-11-19 03:20:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 560 transitions. [2023-11-19 03:20:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:12,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,962 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 03:20:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 435 states and 586 transitions. [2023-11-19 03:20:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 586 transitions. [2023-11-19 03:20:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:21,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:21,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:21,753 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 03:20:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 439 states and 594 transitions. [2023-11-19 03:20:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 594 transitions. [2023-11-19 03:20:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:22,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:22,831 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 03:20:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 443 states and 598 transitions. [2023-11-19 03:20:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 598 transitions. [2023-11-19 03:20:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:20:24,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,251 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 03:20:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 442 states and 597 transitions. [2023-11-19 03:20:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 597 transitions. [2023-11-19 03:20:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:20:25,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:25,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,918 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 03:20:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 444 states and 600 transitions. [2023-11-19 03:20:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 600 transitions. [2023-11-19 03:20:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:20:26,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:26,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:27,160 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 03:20:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 443 states and 599 transitions. [2023-11-19 03:20:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 599 transitions. [2023-11-19 03:20:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:20:27,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:27,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat