./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/sll-nested-linux-list.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/sll-nested-linux-list.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC --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 64bit --witnessprinter.graph.data.programhash e2bb1828824fef1ebc4678312eafda6c009efcfccb4cbbca24aec817e45186ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:25,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:25,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-23 20:28:25,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:25,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:25,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:25,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:25,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:25,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:25,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:25,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:25,702 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:28:25,703 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:28:25,706 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:28:25,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:25,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:25,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:25,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:25,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:25,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:25,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:25,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:25,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:25,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:25,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:25,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:25,713 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_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2bb1828824fef1ebc4678312eafda6c009efcfccb4cbbca24aec817e45186ea [2023-11-23 20:28:26,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:26,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:26,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:26,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:26,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:26,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/memsafety-broom/sll-nested-linux-list.i [2023-11-23 20:28:29,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:29,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:29,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/sv-benchmarks/c/memsafety-broom/sll-nested-linux-list.i [2023-11-23 20:28:29,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/data/5056df7ed/9009611d9c1b4f3baa3d9d3d0dcd8f72/FLAG1e3ceb637 [2023-11-23 20:28:29,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/data/5056df7ed/9009611d9c1b4f3baa3d9d3d0dcd8f72 [2023-11-23 20:28:29,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:29,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:29,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:29,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:29,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:29,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:29" (1/1) ... [2023-11-23 20:28:29,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57242515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:29, skipping insertion in model container [2023-11-23 20:28:29,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:29" (1/1) ... [2023-11-23 20:28:29,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:30,062 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:28:30,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:30,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:30,360 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:28:30,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:30,449 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:28:30,456 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:30,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30 WrapperNode [2023-11-23 20:28:30,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:30,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:30,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:30,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:30,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,520 INFO L138 Inliner]: procedures = 129, calls = 46, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 191 [2023-11-23 20:28:30,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:30,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:30,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:30,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:30,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:30,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:30,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:30,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:30,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:30" (1/1) ... [2023-11-23 20:28:30,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:30,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:30,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:30,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94807932-f0f0-4e60-b2e9-59b036346780/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:28:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:28:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:28:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:28:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:28:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:30,813 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:30,815 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:31,502 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:31,593 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:31,594 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 20:28:31,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:31 BoogieIcfgContainer [2023-11-23 20:28:31,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:31,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:31,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:31,607 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:31,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:31" (1/1) ... [2023-11-23 20:28:31,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2023-11-23 20:28:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2023-11-23 20:28:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:28:31,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 134 states and 147 transitions. [2023-11-23 20:28:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2023-11-23 20:28:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:28:31,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 133 states and 146 transitions. [2023-11-23 20:28:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2023-11-23 20:28:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:28:32,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-23 20:28:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-23 20:28:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:28:32,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 131 states and 142 transitions. [2023-11-23 20:28:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2023-11-23 20:28:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:32,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2023-11-23 20:28:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2023-11-23 20:28:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:32,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2023-11-23 20:28:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2023-11-23 20:28:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:28:32,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-23 20:28:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-23 20:28:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:28:32,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-23 20:28:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-23 20:28:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:28:32,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:33,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 131 states and 144 transitions. [2023-11-23 20:28:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2023-11-23 20:28:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:28:33,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 135 states and 150 transitions. [2023-11-23 20:28:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2023-11-23 20:28:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:28:34,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:34,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 134 states and 149 transitions. [2023-11-23 20:28:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2023-11-23 20:28:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:28:34,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 135 states and 150 transitions. [2023-11-23 20:28:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2023-11-23 20:28:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:35,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:35,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 134 states and 148 transitions. [2023-11-23 20:28:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 148 transitions. [2023-11-23 20:28:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:35,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:35,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 133 states and 147 transitions. [2023-11-23 20:28:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 147 transitions. [2023-11-23 20:28:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:35,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:35,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 134 states and 149 transitions. [2023-11-23 20:28:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2023-11-23 20:28:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:36,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 135 states and 151 transitions. [2023-11-23 20:28:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2023-11-23 20:28:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:37,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 134 states and 148 transitions. [2023-11-23 20:28:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 148 transitions. [2023-11-23 20:28:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:37,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 133 states and 147 transitions. [2023-11-23 20:28:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 147 transitions. [2023-11-23 20:28:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:38,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 132 states and 146 transitions. [2023-11-23 20:28:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2023-11-23 20:28:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:38,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 133 states and 148 transitions. [2023-11-23 20:28:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2023-11-23 20:28:39,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:39,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:39,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 141 states and 164 transitions. [2023-11-23 20:28:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2023-11-23 20:28:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:40,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 149 states and 180 transitions. [2023-11-23 20:28:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2023-11-23 20:28:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:42,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 148 states and 179 transitions. [2023-11-23 20:28:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2023-11-23 20:28:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:42,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 178 transitions. [2023-11-23 20:28:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2023-11-23 20:28:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:42,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 155 states and 194 transitions. [2023-11-23 20:28:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 194 transitions. [2023-11-23 20:28:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:47,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 163 states and 216 transitions. [2023-11-23 20:28:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2023-11-23 20:28:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:28:55,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:55,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 170 states and 233 transitions. [2023-11-23 20:28:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2023-11-23 20:28:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:59,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:59,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 172 states and 238 transitions. [2023-11-23 20:29:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 238 transitions. [2023-11-23 20:29:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:00,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:00,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 182 states and 265 transitions. [2023-11-23 20:29:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 265 transitions. [2023-11-23 20:29:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:04,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 191 states and 286 transitions. [2023-11-23 20:29:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2023-11-23 20:29:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:29:13,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 202 states and 312 transitions. [2023-11-23 20:29:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-23 20:29:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:29:16,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:16,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.