./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/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_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/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_51214a83-c2be-4210-a56f-9134cc23e038/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 fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:24,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:24,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:25:25,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:25,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:25,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:25,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:25,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:25,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:25,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:25:25,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:25,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:25:25,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:25,066 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:25:25,067 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:25:25,067 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:25:25,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:25,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:25,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:25:25,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:25,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:25,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:25,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:25,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:25,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:25,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:25,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:25,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:25,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:25,074 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_51214a83-c2be-4210-a56f-9134cc23e038/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 [2023-11-19 03:25:25,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:25,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:25,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:25,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:25,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:25,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2023-11-19 03:25:28,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:28,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:28,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2023-11-19 03:25:28,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/data/04db20d25/b500feb9ad264632bc57836dabdd13e2/FLAG7469a8344 [2023-11-19 03:25:28,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/data/04db20d25/b500feb9ad264632bc57836dabdd13e2 [2023-11-19 03:25:28,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:28,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:28,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:28,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:28,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:28,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:28" (1/1) ... [2023-11-19 03:25:28,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc77b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:28, skipping insertion in model container [2023-11-19 03:25:28,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:28" (1/1) ... [2023-11-19 03:25:28,968 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:29,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:29,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:29,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:29,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:29,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29 WrapperNode [2023-11-19 03:25:29,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:29,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:29,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:29,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:29,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,600 INFO L138 Inliner]: procedures = 129, calls = 40, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 198 [2023-11-19 03:25:29,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:29,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:29,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:29,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:29,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:29,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:29,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:29,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:29,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:29" (1/1) ... [2023-11-19 03:25:29,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:29,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:29,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:29,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51214a83-c2be-4210-a56f-9134cc23e038/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:25:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:25:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:25:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:25:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:29,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:29,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:30,315 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:30,428 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:30,428 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 03:25:30,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:30 BoogieIcfgContainer [2023-11-19 03:25:30,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:30,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:30,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:30,445 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:30,446 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-19 03:25:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-19 03:25:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:25:30,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:30,805 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 03:25:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2023-11-19 03:25:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2023-11-19 03:25:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:25:30,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2023-11-19 03:25:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2023-11-19 03:25:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:30,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:30,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:25:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 101 states and 123 transitions. [2023-11-19 03:25:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2023-11-19 03:25:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:31,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 105 states and 130 transitions. [2023-11-19 03:25:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2023-11-19 03:25:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:25:31,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,781 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 03:25:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 107 states and 136 transitions. [2023-11-19 03:25:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2023-11-19 03:25:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:25:31,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:32,004 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 03:25:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 106 states and 135 transitions. [2023-11-19 03:25:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 135 transitions. [2023-11-19 03:25:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:25:32,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:32,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:32,247 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 03:25:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 105 states and 134 transitions. [2023-11-19 03:25:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2023-11-19 03:25:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:25:32,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2023-11-19 03:25:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2023-11-19 03:25:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:32,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:32,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2023-11-19 03:25:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-19 03:25:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:33,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:33,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:33,316 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 03:25:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 114 states and 149 transitions. [2023-11-19 03:25:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2023-11-19 03:25:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:33,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 117 states and 155 transitions. [2023-11-19 03:25:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2023-11-19 03:25:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:25:34,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2023-11-19 03:25:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2023-11-19 03:25:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:25:34,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2023-11-19 03:25:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2023-11-19 03:25:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:25:35,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:35,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 122 states and 161 transitions. [2023-11-19 03:25:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions. [2023-11-19 03:25:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:25:35,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:25:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-11-19 03:25:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-19 03:25:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:25:37,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 190 transitions. [2023-11-19 03:25:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2023-11-19 03:25:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:25:38,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 135 states and 184 transitions. [2023-11-19 03:25:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-19 03:25:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:25:40,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:25:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 143 states and 198 transitions. [2023-11-19 03:25:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 198 transitions. [2023-11-19 03:25:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:25:45,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:25:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 145 states and 202 transitions. [2023-11-19 03:25:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2023-11-19 03:25:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:25:45,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:25:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 207 transitions. [2023-11-19 03:25:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2023-11-19 03:25:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:25:46,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:46,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 146 states and 206 transitions. [2023-11-19 03:25:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2023-11-19 03:25:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:25:46,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:46,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 207 transitions. [2023-11-19 03:25:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2023-11-19 03:25:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:25:46,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 146 states and 206 transitions. [2023-11-19 03:25:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2023-11-19 03:25:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:25:46,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 207 transitions. [2023-11-19 03:25:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2023-11-19 03:25:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:25:47,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:47,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:25:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 162 states and 232 transitions. [2023-11-19 03:25:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 232 transitions. [2023-11-19 03:25:52,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:25:52,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:52,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:25:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 180 states and 262 transitions. [2023-11-19 03:25:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 262 transitions. [2023-11-19 03:25:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:25:58,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:58,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:26:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 183 states and 267 transitions. [2023-11-19 03:26:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 267 transitions. [2023-11-19 03:26:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:26:00,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:26:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2023-11-19 03:26:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2023-11-19 03:26:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:26:10,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:10,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:26:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 216 states and 341 transitions. [2023-11-19 03:26:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 341 transitions. [2023-11-19 03:26:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:26:20,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:20,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:26:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 215 states and 340 transitions. [2023-11-19 03:26:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2023-11-19 03:26:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:26:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.