./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20020406-1.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_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/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_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20020406-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/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_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/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 1ecdf6fdf9ec72145fabb79894bcc278b3e5646bc4893dbabc4bb180fa53c5ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:02,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:03,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:11:03,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:03,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:03,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:03,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:03,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:03,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:03,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:03,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:03,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:03,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:03,081 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:11:03,081 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:11:03,082 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:11:03,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:03,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:11:03,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:03,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:03,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:03,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:03,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:03,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:03,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:03,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:03,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:03,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:03,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:03,089 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_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdf6fdf9ec72145fabb79894bcc278b3e5646bc4893dbabc4bb180fa53c5ae [2023-11-19 03:11:03,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:03,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:03,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:03,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:03,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:03,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety/20020406-1.i [2023-11-19 03:11:06,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:06,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:06,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/sv-benchmarks/c/memsafety/20020406-1.i [2023-11-19 03:11:06,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/data/541498d4b/4935a92c3e184ff1a86d9211b71287fb/FLAG6bdc35cd2 [2023-11-19 03:11:06,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/data/541498d4b/4935a92c3e184ff1a86d9211b71287fb [2023-11-19 03:11:06,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:06,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:06,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:06,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:06,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:06,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:06" (1/1) ... [2023-11-19 03:11:06,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da7ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:06, skipping insertion in model container [2023-11-19 03:11:06,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:06" (1/1) ... [2023-11-19 03:11:07,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:07,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:07,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:07,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:07,885 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:07,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07 WrapperNode [2023-11-19 03:11:07,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:07,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:07,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:07,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:07,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:07,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,022 INFO L138 Inliner]: procedures = 283, calls = 76, calls flagged for inlining = 36, calls inlined = 41, statements flattened = 423 [2023-11-19 03:11:08,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:08,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:08,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:08,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:08,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:08,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:08,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:08,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:08,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:08,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:08,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:08,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6525b8-b9c9-48f3-b5d3-67f5900822b7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:11:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure DUPFFexgcd [2023-11-19 03:11:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure DUPFFexgcd [2023-11-19 03:11:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:11:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:08,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:08,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:09,475 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:09,676 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:09,676 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:11:09,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:09 BoogieIcfgContainer [2023-11-19 03:11:09,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:09,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:09,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:09,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:09,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:09" (1/1) ... [2023-11-19 03:11:09,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 240 states and 259 transitions. [2023-11-19 03:11:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2023-11-19 03:11:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:11:09,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:10,143 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 03:11:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 239 states and 258 transitions. [2023-11-19 03:11:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 258 transitions. [2023-11-19 03:11:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:11:10,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:10,408 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 03:11:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 238 states and 257 transitions. [2023-11-19 03:11:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 257 transitions. [2023-11-19 03:11:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:10,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:10,625 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 03:11:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 239 states and 259 transitions. [2023-11-19 03:11:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 259 transitions. [2023-11-19 03:11:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:10,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:10,775 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 03:11:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 240 states and 261 transitions. [2023-11-19 03:11:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2023-11-19 03:11:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:10,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,005 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 03:11:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2023-11-19 03:11:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2023-11-19 03:11:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:11,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,166 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 03:11:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 238 states and 259 transitions. [2023-11-19 03:11:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 259 transitions. [2023-11-19 03:11:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:11:11,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 238 states and 258 transitions. [2023-11-19 03:11:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 258 transitions. [2023-11-19 03:11:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:11:11,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,473 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 03:11:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 237 states and 257 transitions. [2023-11-19 03:11:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 257 transitions. [2023-11-19 03:11:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:11:11,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:11,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,529 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 03:11:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 236 states and 256 transitions. [2023-11-19 03:11:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 256 transitions. [2023-11-19 03:11:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:11:11,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:11,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,742 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 03:11:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2023-11-19 03:11:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2023-11-19 03:11:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:11:12,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:12,562 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 03:11:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 234 states and 254 transitions. [2023-11-19 03:11:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 254 transitions. [2023-11-19 03:11:14,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:14,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:14,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:14,118 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 03:11:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 232 states and 251 transitions. [2023-11-19 03:11:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 251 transitions. [2023-11-19 03:11:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:14,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:14,562 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 03:11:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 230 states and 248 transitions. [2023-11-19 03:11:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions. [2023-11-19 03:11:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:11:15,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,084 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 03:11:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 229 states and 247 transitions. [2023-11-19 03:11:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 247 transitions. [2023-11-19 03:11:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:11:15,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,157 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 03:11:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 228 states and 246 transitions. [2023-11-19 03:11:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2023-11-19 03:11:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:11:15,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,319 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 03:11:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 227 states and 245 transitions. [2023-11-19 03:11:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2023-11-19 03:11:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:11:15,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,568 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 03:11:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 226 states and 244 transitions. [2023-11-19 03:11:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 244 transitions. [2023-11-19 03:11:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:11:15,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:15,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 227 states and 245 transitions. [2023-11-19 03:11:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2023-11-19 03:11:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:11:19,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:19,478 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 03:11:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 228 states and 247 transitions. [2023-11-19 03:11:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 247 transitions. [2023-11-19 03:11:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:11:21,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:21,491 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 03:11:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 229 states and 248 transitions. [2023-11-19 03:11:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 248 transitions. [2023-11-19 03:11:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:11:22,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:23,229 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 03:11:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 230 states and 249 transitions. [2023-11-19 03:11:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 249 transitions. [2023-11-19 03:11:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:11:24,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:24,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 231 states and 250 transitions. [2023-11-19 03:11:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 250 transitions. [2023-11-19 03:11:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:11:26,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 232 states and 251 transitions. [2023-11-19 03:11:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 251 transitions. [2023-11-19 03:11:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:11:28,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:28,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 233 states and 252 transitions. [2023-11-19 03:11:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 252 transitions. [2023-11-19 03:11:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:11:30,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:30,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 234 states and 253 transitions. [2023-11-19 03:11:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2023-11-19 03:11:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:32,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:32,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:11:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 233 states and 252 transitions. [2023-11-19 03:11:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 252 transitions. [2023-11-19 03:11:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:47,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:47,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.