./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/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_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/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 64bit --witnessprinter.graph.data.programhash 89b7500933072598b3ae86cb9a0697a1fc30e47e1dd961db3afeb42e68cfc79e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:38,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:38,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:09:38,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:38,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:38,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:38,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:38,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:38,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:38,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:38,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:38,378 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:38,378 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:38,380 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:09:38,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:38,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:38,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:38,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:38,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:38,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:38,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:38,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:38,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:38,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:38,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:38,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:38,385 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_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89b7500933072598b3ae86cb9a0697a1fc30e47e1dd961db3afeb42e68cfc79e [2023-11-19 03:09:38,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:38,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:38,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:38,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:38,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:38,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i [2023-11-19 03:09:41,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:42,047 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:42,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/sv-benchmarks/c/memsafety-broom/sll-nested-sll.i [2023-11-19 03:09:42,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/data/ccf1c4e0e/65f547766d3043c587e746e3b6bbf983/FLAG845ba2ad3 [2023-11-19 03:09:42,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/data/ccf1c4e0e/65f547766d3043c587e746e3b6bbf983 [2023-11-19 03:09:42,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:42,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:42,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:42,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:42,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:42,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43137a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42, skipping insertion in model container [2023-11-19 03:09:42,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:42,384 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:09:42,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:42,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:42,568 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:09:42,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:42,649 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:42,657 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:42,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42 WrapperNode [2023-11-19 03:09:42,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:42,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:42,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:42,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:42,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,747 INFO L138 Inliner]: procedures = 123, calls = 34, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 167 [2023-11-19 03:09:42,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:42,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:42,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:42,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:42,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:42,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:42,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:42,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:42,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:42" (1/1) ... [2023-11-19 03:09:42,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:42,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:42,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0cc070d-0828-4697-bbd7-c41d9c1c4d53/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:09:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:09:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:43,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:43,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:43,628 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:43,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:43,733 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 03:09:43,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:43 BoogieIcfgContainer [2023-11-19 03:09:43,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:43,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:43,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:43,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:43,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:43" (1/1) ... [2023-11-19 03:09:43,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2023-11-19 03:09:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2023-11-19 03:09:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:09:43,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:43,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:43,992 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 03:09:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2023-11-19 03:09:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2023-11-19 03:09:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:09:44,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions. [2023-11-19 03:09:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2023-11-19 03:09:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:09:44,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,247 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 03:09:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2023-11-19 03:09:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2023-11-19 03:09:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:09:44,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,413 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 03:09:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2023-11-19 03:09:44,449 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-11-19 03:09:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:44,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,577 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 03:09:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2023-11-19 03:09:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-11-19 03:09:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:44,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,804 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 03:09:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2023-11-19 03:09:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-11-19 03:09:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:09:44,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,036 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 03:09:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2023-11-19 03:09:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-11-19 03:09:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:09:45,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,201 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 03:09:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2023-11-19 03:09:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-11-19 03:09:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:45,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,496 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 03:09:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 94 states and 104 transitions. [2023-11-19 03:09:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2023-11-19 03:09:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:45,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,917 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 03:09:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 98 states and 110 transitions. [2023-11-19 03:09:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2023-11-19 03:09:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:46,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:46,397 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 03:09:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2023-11-19 03:09:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2023-11-19 03:09:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:46,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:46,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:47,099 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 03:09:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 106 states and 128 transitions. [2023-11-19 03:09:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2023-11-19 03:09:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:09:47,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:47,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:47,723 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 03:09:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 105 states and 127 transitions. [2023-11-19 03:09:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2023-11-19 03:09:47,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:09:47,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:47,886 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 03:09:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2023-11-19 03:09:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2023-11-19 03:09:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:09:48,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,108 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 03:09:48,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 105 states and 130 transitions. [2023-11-19 03:09:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2023-11-19 03:09:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:09:48,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,252 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 03:09:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2023-11-19 03:09:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2023-11-19 03:09:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:48,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,462 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 03:09:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 103 states and 128 transitions. [2023-11-19 03:09:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2023-11-19 03:09:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:48,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,565 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 03:09:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions. [2023-11-19 03:09:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2023-11-19 03:09:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:48,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,865 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 03:09:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 147 transitions. [2023-11-19 03:09:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2023-11-19 03:09:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:49,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:49,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:50,190 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 03:09:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 167 transitions. [2023-11-19 03:09:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2023-11-19 03:09:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:51,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:52,064 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 03:09:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 177 transitions. [2023-11-19 03:09:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions. [2023-11-19 03:09:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:52,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:53,040 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 03:09:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 130 states and 187 transitions. [2023-11-19 03:09:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2023-11-19 03:09:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:53,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 133 states and 190 transitions. [2023-11-19 03:09:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 190 transitions. [2023-11-19 03:09:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:55,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:55,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 133 states and 189 transitions. [2023-11-19 03:09:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 189 transitions. [2023-11-19 03:09:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:57,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 133 states and 188 transitions. [2023-11-19 03:09:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 188 transitions. [2023-11-19 03:09:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:58,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:58,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:59,233 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 03:10:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 138 states and 200 transitions. [2023-11-19 03:10:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 200 transitions. [2023-11-19 03:10:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:02,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,685 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 03:10:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-19 03:10:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-19 03:10:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:06,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:06,567 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 03:10:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 145 states and 218 transitions. [2023-11-19 03:10:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2023-11-19 03:10:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:10:06,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:06,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:06,789 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 03:10:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2023-11-19 03:10:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-11-19 03:10:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:07,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:07,364 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 03:10:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 148 states and 224 transitions. [2023-11-19 03:10:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 224 transitions. [2023-11-19 03:10:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:07,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:07,787 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 03:10:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 150 states and 231 transitions. [2023-11-19 03:10:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 231 transitions. [2023-11-19 03:10:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:08,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:09,043 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 03:10:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 161 states and 259 transitions. [2023-11-19 03:10:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 259 transitions. [2023-11-19 03:10:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:14,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:15,910 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 03:10:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 172 states and 291 transitions. [2023-11-19 03:10:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 291 transitions. [2023-11-19 03:10:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:23,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,459 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 03:10:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 171 states and 290 transitions. [2023-11-19 03:10:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 290 transitions. [2023-11-19 03:10:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:23,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,548 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 03:10:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 170 states and 289 transitions. [2023-11-19 03:10:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 289 transitions. [2023-11-19 03:10:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:10:23,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.