./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/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_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/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_19d4720e-0753-40b2-8740-2d095e494869/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 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:13,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:13,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:30:13,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:13,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:13,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:13,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:13,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:13,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:13,839 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:13,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:13,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:13,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:13,842 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:30:13,842 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:30:13,843 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:30:13,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:13,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:13,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:13,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:13,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:13,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:13,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:13,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:13,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:13,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:13,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:13,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:13,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:13,851 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_19d4720e-0753-40b2-8740-2d095e494869/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb [2023-11-19 03:30:14,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:14,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:14,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:14,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:14,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:14,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety/lockfree-3.3.i [2023-11-19 03:30:17,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:17,646 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:17,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/sv-benchmarks/c/memsafety/lockfree-3.3.i [2023-11-19 03:30:17,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/data/3bf6c5829/63d6d7dcd69c448dbc80f9705c4a008f/FLAG41aa8a850 [2023-11-19 03:30:17,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/data/3bf6c5829/63d6d7dcd69c448dbc80f9705c4a008f [2023-11-19 03:30:17,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:17,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:17,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:17,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:17,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:17,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:17" (1/1) ... [2023-11-19 03:30:17,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292802a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:17, skipping insertion in model container [2023-11-19 03:30:17,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:17" (1/1) ... [2023-11-19 03:30:17,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:18,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:18,170 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:18,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:18,261 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:18,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18 WrapperNode [2023-11-19 03:30:18,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:18,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:18,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:18,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:18,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,316 INFO L138 Inliner]: procedures = 125, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2023-11-19 03:30:18,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:18,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:18,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:18,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:18,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:18,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:18,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:18,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:18,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:18" (1/1) ... [2023-11-19 03:30:18,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:18,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:18,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:18,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d4720e-0753-40b2-8740-2d095e494869/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:18,569 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:18,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:18,869 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:19,028 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:19,028 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:30:19,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:19 BoogieIcfgContainer [2023-11-19 03:30:19,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:19,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:19,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:19,087 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:19,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:19" (1/1) ... [2023-11-19 03:30:19,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2023-11-19 03:30:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-19 03:30:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:19,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:19,371 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 03:30:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2023-11-19 03:30:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-19 03:30:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:19,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:19,524 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 03:30:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2023-11-19 03:30:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-19 03:30:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:19,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:19,689 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 03:30:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2023-11-19 03:30:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-19 03:30:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:19,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:19,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:19,947 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 03:30:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2023-11-19 03:30:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2023-11-19 03:30:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:19,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:20,241 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 03:30:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2023-11-19 03:30:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2023-11-19 03:30:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:20,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:20,519 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 03:30:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2023-11-19 03:30:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2023-11-19 03:30:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:20,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:20,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:20,767 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 03:30:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2023-11-19 03:30:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2023-11-19 03:30:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:20,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:20,922 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 03:30:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2023-11-19 03:30:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2023-11-19 03:30:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:21,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:21,292 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 03:30:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2023-11-19 03:30:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-11-19 03:30:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:21,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:21,727 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 03:30:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:21,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2023-11-19 03:30:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2023-11-19 03:30:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:21,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:21,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:30:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2023-11-19 03:30:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2023-11-19 03:30:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:30:22,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:22,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:30:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 111 transitions. [2023-11-19 03:30:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 111 transitions. [2023-11-19 03:30:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:22,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:22,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:30:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2023-11-19 03:30:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2023-11-19 03:30:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:22,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 76 states and 135 transitions. [2023-11-19 03:30:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2023-11-19 03:30:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:24,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 141 transitions. [2023-11-19 03:30:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2023-11-19 03:30:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:30:24,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:24,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 164 transitions. [2023-11-19 03:30:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2023-11-19 03:30:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:25,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:25,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 193 transitions. [2023-11-19 03:30:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 193 transitions. [2023-11-19 03:30:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:27,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:27,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 99 states and 222 transitions. [2023-11-19 03:30:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 222 transitions. [2023-11-19 03:30:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:29,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 101 states and 231 transitions. [2023-11-19 03:30:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 231 transitions. [2023-11-19 03:30:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:30,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 103 states and 235 transitions. [2023-11-19 03:30:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 235 transitions. [2023-11-19 03:30:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:30,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 110 states and 256 transitions. [2023-11-19 03:30:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 256 transitions. [2023-11-19 03:30:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:32,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 112 states and 260 transitions. [2023-11-19 03:30:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 260 transitions. [2023-11-19 03:30:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:32,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 115 states and 268 transitions. [2023-11-19 03:30:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 268 transitions. [2023-11-19 03:30:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:33,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 119 states and 276 transitions. [2023-11-19 03:30:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 276 transitions. [2023-11-19 03:30:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:33,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:33,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 128 states and 312 transitions. [2023-11-19 03:30:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 312 transitions. [2023-11-19 03:30:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:35,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 136 states and 347 transitions. [2023-11-19 03:30:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 347 transitions. [2023-11-19 03:30:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:37,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 139 states and 356 transitions. [2023-11-19 03:30:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 356 transitions. [2023-11-19 03:30:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:38,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 142 states and 362 transitions. [2023-11-19 03:30:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 362 transitions. [2023-11-19 03:30:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:39,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 147 states and 384 transitions. [2023-11-19 03:30:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 384 transitions. [2023-11-19 03:30:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:41,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:41,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 149 states and 390 transitions. [2023-11-19 03:30:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 390 transitions. [2023-11-19 03:30:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:42,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:30:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 151 states and 403 transitions. [2023-11-19 03:30:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 403 transitions. [2023-11-19 03:30:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:43,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:30:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 154 states and 407 transitions. [2023-11-19 03:30:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 407 transitions. [2023-11-19 03:30:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:44,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:30:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 155 states and 408 transitions. [2023-11-19 03:30:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 408 transitions. [2023-11-19 03:30:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:45,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:45,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 157 states and 411 transitions. [2023-11-19 03:30:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 411 transitions. [2023-11-19 03:30:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:46,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 159 states and 413 transitions. [2023-11-19 03:30:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 413 transitions. [2023-11-19 03:30:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:46,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:30:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 161 states and 415 transitions. [2023-11-19 03:30:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 415 transitions. [2023-11-19 03:30:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:47,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 163 states and 422 transitions. [2023-11-19 03:30:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 422 transitions. [2023-11-19 03:30:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:50,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:50,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 166 states and 430 transitions. [2023-11-19 03:30:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 430 transitions. [2023-11-19 03:30:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:51,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:30:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 167 states and 449 transitions. [2023-11-19 03:30:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 449 transitions. [2023-11-19 03:30:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:52,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 169 states and 451 transitions. [2023-11-19 03:30:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 451 transitions. [2023-11-19 03:30:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:52,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:30:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 172 states and 456 transitions. [2023-11-19 03:30:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 456 transitions. [2023-11-19 03:30:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:54,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 181 states and 484 transitions. [2023-11-19 03:30:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 484 transitions. [2023-11-19 03:30:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:58,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 187 states and 498 transitions. [2023-11-19 03:31:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 498 transitions. [2023-11-19 03:31:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:02,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:31:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 187 states and 497 transitions. [2023-11-19 03:31:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 497 transitions. [2023-11-19 03:31:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:02,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 187 states and 493 transitions. [2023-11-19 03:31:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 493 transitions. [2023-11-19 03:31:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:03,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 187 states and 489 transitions. [2023-11-19 03:31:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 489 transitions. [2023-11-19 03:31:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:04,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:31:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 189 states and 498 transitions. [2023-11-19 03:31:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 498 transitions. [2023-11-19 03:31:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:05,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:31:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 191 states and 506 transitions. [2023-11-19 03:31:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 506 transitions. [2023-11-19 03:31:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:06,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:06,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.