./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.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_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/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_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/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_91bd2f74-0d9f-4778-aefb-e0407278cf1b/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 171516ccf7ce56a0fe5d7e6e8d7c3265875afe4246c9b2f5548b0fe9f9b93621
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 02:39:24,212 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 02:39:24,325 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf
[2023-11-19 02:39:24,334 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 02:39:24,334 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-19 02:39:24,356 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 02:39:24,357 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 02:39:24,358 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 02:39:24,358 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 02:39:24,359 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 02:39:24,360 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 02:39:24,360 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 02:39:24,361 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-19 02:39:24,361 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-19 02:39:24,362 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 02:39:24,363 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 02:39:24,363 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 02:39:24,364 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 02:39:24,364 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 02:39:24,365 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 02:39:24,365 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 02:39:24,366 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 02:39:24,367 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 02:39:24,367 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 02:39:24,368 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-19 02:39:24,368 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 02:39:24,369 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_91bd2f74-0d9f-4778-aefb-e0407278cf1b/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_91bd2f74-0d9f-4778-aefb-e0407278cf1b/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 -> 171516ccf7ce56a0fe5d7e6e8d7c3265875afe4246c9b2f5548b0fe9f9b93621
[2023-11-19 02:39:24,664 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 02:39:24,702 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 02:39:24,704 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 02:39:24,706 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 02:39:24,706 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 02:39:24,708 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i
[2023-11-19 02:39:27,750 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 02:39:28,198 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 02:39:28,199 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/sv-benchmarks/c/busybox-1.22.0/sync-2.i
[2023-11-19 02:39:28,237 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/data/1b9c72949/171e6402ee4047f1b2c792f2108b3ce9/FLAGcb6d43b3c
[2023-11-19 02:39:28,260 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/data/1b9c72949/171e6402ee4047f1b2c792f2108b3ce9
[2023-11-19 02:39:28,267 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 02:39:28,269 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 02:39:28,272 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 02:39:28,272 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 02:39:28,277 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 02:39:28,280 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:28" (1/1) ...
[2023-11-19 02:39:28,281 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5929c8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:28, skipping insertion in model container
[2023-11-19 02:39:28,282 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:28" (1/1) ...
[2023-11-19 02:39:28,375 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 02:39:29,490 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 02:39:29,517 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 02:39:29,625 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 02:39:29,837 WARN  L675               CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 02:39:29,846 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 02:39:29,846 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29 WrapperNode
[2023-11-19 02:39:29,847 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 02:39:29,848 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 02:39:29,849 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 02:39:29,849 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 02:39:29,856 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:29,910 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:29,961 INFO  L138                Inliner]: procedures = 540, calls = 133, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 502
[2023-11-19 02:39:29,962 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 02:39:29,963 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 02:39:29,963 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 02:39:29,963 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 02:39:29,973 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:29,973 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:29,982 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:29,983 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,012 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,027 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,035 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,052 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,063 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 02:39:30,076 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 02:39:30,077 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 02:39:30,077 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 02:39:30,078 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:29" (1/1) ...
[2023-11-19 02:39:30,094 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 02:39:30,109 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 02:39:30,126 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 02:39:30,144 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91bd2f74-0d9f-4778-aefb-e0407278cf1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 02:39:30,170 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2023-11-19 02:39:30,171 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 02:39:30,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 02:39:30,172 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 02:39:30,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 02:39:30,172 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2023-11-19 02:39:30,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-19 02:39:30,173 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 02:39:30,173 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 02:39:30,174 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 02:39:30,174 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 02:39:30,577 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 02:39:30,580 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 02:39:31,561 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 02:39:31,729 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 02:39:31,729 INFO  L302             CfgBuilder]: Removed 12 assume(true) statements.
[2023-11-19 02:39:31,737 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:31 BoogieIcfgContainer
[2023-11-19 02:39:31,737 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 02:39:31,739 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 02:39:31,739 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 02:39:31,749 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 02:39:31,749 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:31" (1/1) ...
[2023-11-19 02:39:31,763 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 02:39:31,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:31,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 291 states and 325 transitions.
[2023-11-19 02:39:31,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 291 states and 325 transitions.
[2023-11-19 02:39:31,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2023-11-19 02:39:31,844 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:31,844 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:32,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:32,348 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 02:39:32,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:32,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 290 states and 324 transitions.
[2023-11-19 02:39:32,397 INFO  L276                IsEmpty]: Start isEmpty. Operand 290 states and 324 transitions.
[2023-11-19 02:39:32,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2023-11-19 02:39:32,398 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:32,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:32,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:32,580 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 02:39:32,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:32,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 289 states and 323 transitions.
[2023-11-19 02:39:32,661 INFO  L276                IsEmpty]: Start isEmpty. Operand 289 states and 323 transitions.
[2023-11-19 02:39:32,662 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-19 02:39:32,662 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:32,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:32,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:32,766 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 02:39:32,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:32,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 290 states and 325 transitions.
[2023-11-19 02:39:32,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 290 states and 325 transitions.
[2023-11-19 02:39:32,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-19 02:39:32,824 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:32,824 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:32,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:32,910 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 02:39:32,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:32,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 291 states and 327 transitions.
[2023-11-19 02:39:32,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 291 states and 327 transitions.
[2023-11-19 02:39:32,996 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-19 02:39:32,996 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:32,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:33,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:33,205 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 02:39:33,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:33,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 293 states and 329 transitions.
[2023-11-19 02:39:33,457 INFO  L276                IsEmpty]: Start isEmpty. Operand 293 states and 329 transitions.
[2023-11-19 02:39:33,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 02:39:33,458 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:33,458 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:33,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:33,586 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 02:39:33,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:33,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 294 states and 332 transitions.
[2023-11-19 02:39:33,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 332 transitions.
[2023-11-19 02:39:33,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 02:39:33,665 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:33,665 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:33,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:33,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 02:39:33,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:33,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 294 states and 331 transitions.
[2023-11-19 02:39:33,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 331 transitions.
[2023-11-19 02:39:33,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 02:39:33,866 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:33,867 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:33,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:34,145 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 02:39:34,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:34,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 296 states and 334 transitions.
[2023-11-19 02:39:34,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 296 states and 334 transitions.
[2023-11-19 02:39:34,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 02:39:34,730 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:34,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:34,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:34,852 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:35,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:35,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 298 states and 339 transitions.
[2023-11-19 02:39:35,062 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 339 transitions.
[2023-11-19 02:39:35,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 02:39:35,063 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:35,063 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:35,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:35,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 02:39:35,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:35,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 298 states and 338 transitions.
[2023-11-19 02:39:35,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 338 transitions.
[2023-11-19 02:39:35,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 02:39:35,292 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:35,292 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:35,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:35,575 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 02:39:36,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:36,142 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 300 states and 342 transitions.
[2023-11-19 02:39:36,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 300 states and 342 transitions.
[2023-11-19 02:39:36,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 02:39:36,143 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:36,143 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:36,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:36,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:36,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:36,630 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 302 states and 349 transitions.
[2023-11-19 02:39:36,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 302 states and 349 transitions.
[2023-11-19 02:39:36,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 02:39:36,631 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:36,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:36,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:36,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:37,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:37,506 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 304 states and 350 transitions.
[2023-11-19 02:39:37,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 304 states and 350 transitions.
[2023-11-19 02:39:37,507 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 02:39:37,507 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:37,507 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:37,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:37,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 02:39:37,752 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:37,753 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 304 states and 349 transitions.
[2023-11-19 02:39:37,753 INFO  L276                IsEmpty]: Start isEmpty. Operand 304 states and 349 transitions.
[2023-11-19 02:39:37,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 02:39:37,753 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:37,754 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:37,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:37,978 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:38,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:38,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 306 states and 356 transitions.
[2023-11-19 02:39:38,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states and 356 transitions.
[2023-11-19 02:39:38,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 02:39:38,237 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:38,238 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:38,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:38,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-11-19 02:39:38,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:38,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 306 states and 355 transitions.
[2023-11-19 02:39:38,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states and 355 transitions.
[2023-11-19 02:39:38,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 02:39:38,478 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:38,479 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:38,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:38,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:39,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:39,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 307 states and 355 transitions.
[2023-11-19 02:39:39,197 INFO  L276                IsEmpty]: Start isEmpty. Operand 307 states and 355 transitions.
[2023-11-19 02:39:39,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 02:39:39,198 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:39,198 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:39,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:39,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:39,674 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:39,674 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 309 states and 362 transitions.
[2023-11-19 02:39:39,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 309 states and 362 transitions.
[2023-11-19 02:39:39,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 02:39:39,675 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:39,675 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:39,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:39,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-19 02:39:39,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:39,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 309 states and 361 transitions.
[2023-11-19 02:39:39,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 309 states and 361 transitions.
[2023-11-19 02:39:39,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 02:39:39,945 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:39,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:39,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:40,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:41,330 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:41,336 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 311 states and 365 transitions.
[2023-11-19 02:39:41,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 311 states and 365 transitions.
[2023-11-19 02:39:41,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 02:39:41,338 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:41,339 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:41,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:41,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-11-19 02:39:41,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:41,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 311 states and 364 transitions.
[2023-11-19 02:39:41,638 INFO  L276                IsEmpty]: Start isEmpty. Operand 311 states and 364 transitions.
[2023-11-19 02:39:41,638 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 02:39:41,638 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:41,639 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:41,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:41,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:42,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:42,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 313 states and 373 transitions.
[2023-11-19 02:39:42,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions.
[2023-11-19 02:39:42,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 02:39:42,333 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:42,333 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:42,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:42,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-11-19 02:39:42,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:42,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 313 states and 372 transitions.
[2023-11-19 02:39:42,647 INFO  L276                IsEmpty]: Start isEmpty. Operand 313 states and 372 transitions.
[2023-11-19 02:39:42,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 02:39:42,647 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:42,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:42,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:43,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:43,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:43,660 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 314 states and 372 transitions.
[2023-11-19 02:39:43,661 INFO  L276                IsEmpty]: Start isEmpty. Operand 314 states and 372 transitions.
[2023-11-19 02:39:43,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 02:39:43,661 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:43,662 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:43,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:44,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:44,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:44,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 316 states and 374 transitions.
[2023-11-19 02:39:44,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 316 states and 374 transitions.
[2023-11-19 02:39:44,902 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:44,902 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:44,902 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:44,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:45,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:45,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:45,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 318 states and 384 transitions.
[2023-11-19 02:39:45,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 384 transitions.
[2023-11-19 02:39:45,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:45,657 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:45,657 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:45,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:45,738 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2023-11-19 02:39:46,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:46,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 318 states and 383 transitions.
[2023-11-19 02:39:46,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 383 transitions.
[2023-11-19 02:39:46,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:46,024 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:46,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:46,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:46,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:46,579 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:46,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 319 states and 383 transitions.
[2023-11-19 02:39:46,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 319 states and 383 transitions.
[2023-11-19 02:39:46,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:46,581 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:46,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:46,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:46,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:47,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:47,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 321 states and 385 transitions.
[2023-11-19 02:39:47,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 321 states and 385 transitions.
[2023-11-19 02:39:47,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:47,946 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:47,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:47,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:48,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:48,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:48,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 322 states and 385 transitions.
[2023-11-19 02:39:48,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 322 states and 385 transitions.
[2023-11-19 02:39:48,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 02:39:48,444 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:48,444 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:48,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:48,676 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:49,063 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:49,064 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 323 states and 385 transitions.
[2023-11-19 02:39:49,064 INFO  L276                IsEmpty]: Start isEmpty. Operand 323 states and 385 transitions.
[2023-11-19 02:39:49,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:49,065 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:49,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:49,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:49,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:49,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:49,875 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 325 states and 397 transitions.
[2023-11-19 02:39:49,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 325 states and 397 transitions.
[2023-11-19 02:39:49,876 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:49,876 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:49,876 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:49,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:49,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2023-11-19 02:39:50,248 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:50,248 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 325 states and 396 transitions.
[2023-11-19 02:39:50,248 INFO  L276                IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions.
[2023-11-19 02:39:50,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:50,249 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:50,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:50,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:50,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:50,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:50,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 326 states and 396 transitions.
[2023-11-19 02:39:50,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 326 states and 396 transitions.
[2023-11-19 02:39:50,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:50,782 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:50,782 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:50,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:51,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:52,389 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:52,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 328 states and 398 transitions.
[2023-11-19 02:39:52,390 INFO  L276                IsEmpty]: Start isEmpty. Operand 328 states and 398 transitions.
[2023-11-19 02:39:52,390 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:52,391 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:52,391 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:52,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:52,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:52,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:52,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 329 states and 398 transitions.
[2023-11-19 02:39:52,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 329 states and 398 transitions.
[2023-11-19 02:39:52,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 02:39:52,940 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:52,940 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:52,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:53,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:53,482 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:53,483 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 330 states and 398 transitions.
[2023-11-19 02:39:53,483 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 398 transitions.
[2023-11-19 02:39:53,483 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 02:39:53,484 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:53,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:53,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:53,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:54,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:54,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 332 states and 404 transitions.
[2023-11-19 02:39:54,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 332 states and 404 transitions.
[2023-11-19 02:39:54,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 02:39:54,431 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:54,431 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:54,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:54,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2023-11-19 02:39:54,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:54,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 330 states and 401 transitions.
[2023-11-19 02:39:54,808 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 401 transitions.
[2023-11-19 02:39:54,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 02:39:54,808 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:54,809 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:54,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:54,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:55,398 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:55,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 331 states and 401 transitions.
[2023-11-19 02:39:55,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 331 states and 401 transitions.
[2023-11-19 02:39:55,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 02:39:55,400 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:55,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:55,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:56,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:57,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:57,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 305 states and 339 transitions.
[2023-11-19 02:39:57,824 INFO  L276                IsEmpty]: Start isEmpty. Operand 305 states and 339 transitions.
[2023-11-19 02:39:57,824 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 02:39:57,824 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:57,825 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:57,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:58,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 02:39:58,086 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:39:58,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 306 states and 339 transitions.
[2023-11-19 02:39:58,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states and 339 transitions.
[2023-11-19 02:39:58,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 02:39:58,088 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:39:58,088 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:39:58,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:39:58,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-19 02:40:03,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:40:03,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 305 states and 338 transitions.
[2023-11-19 02:40:03,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 305 states and 338 transitions.
[2023-11-19 02:40:03,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 02:40:03,348 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:40:03,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:40:03,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:40:03,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-19 02:40:09,831 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:40:09,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 304 states and 337 transitions.
[2023-11-19 02:40:09,832 INFO  L276                IsEmpty]: Start isEmpty. Operand 304 states and 337 transitions.
[2023-11-19 02:40:09,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 02:40:09,832 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:40:09,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:40:09,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:40:10,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-19 02:40:10,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:40:10,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 303 states and 336 transitions.
[2023-11-19 02:40:10,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 303 states and 336 transitions.
[2023-11-19 02:40:10,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 02:40:10,601 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:40:10,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:40:10,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:40:11,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-19 02:40:12,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:40:12,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 302 states and 335 transitions.
[2023-11-19 02:40:12,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 302 states and 335 transitions.
[2023-11-19 02:40:12,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-19 02:40:12,885 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:40:12,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:40:12,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:40:13,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-19 02:40:14,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 02:40:14,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 303 states and 337 transitions.
[2023-11-19 02:40:14,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 303 states and 337 transitions.
[2023-11-19 02:40:14,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-19 02:40:14,025 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 02:40:14,025 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 02:40:14,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 02:40:14,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.