./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/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_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 03:20:55,834 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 03:20:55,975 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf
[2023-11-19 03:20:55,985 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 03:20:55,987 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-19 03:20:56,024 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 03:20:56,027 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 03:20:56,028 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 03:20:56,029 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 03:20:56,037 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 03:20:56,039 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 03:20:56,040 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 03:20:56,041 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 03:20:56,042 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 03:20:56,042 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-19 03:20:56,043 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-19 03:20:56,043 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 03:20:56,044 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 03:20:56,044 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 03:20:56,045 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 03:20:56,045 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 03:20:56,046 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 03:20:56,046 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 03:20:56,047 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 03:20:56,048 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:20:56,048 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 03:20:56,049 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 03:20:56,049 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-19 03:20:56,050 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 03:20:56,050 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_76a4442d-cdbe-421a-94df-7e0a4669662f/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_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e
[2023-11-19 03:20:56,424 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 03:20:56,463 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 03:20:56,466 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 03:20:56,468 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 03:20:56,468 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 03:20:56,469 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i
[2023-11-19 03:20:59,969 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 03:21:00,344 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 03:21:00,344 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i
[2023-11-19 03:21:00,364 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/data/12e22b561/ee7050497e784447b9ce8779f709675b/FLAG8fced3734
[2023-11-19 03:21:00,379 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/data/12e22b561/ee7050497e784447b9ce8779f709675b
[2023-11-19 03:21:00,382 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 03:21:00,384 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 03:21:00,385 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 03:21:00,385 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 03:21:00,391 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 03:21:00,391 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:00,392 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa6aca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00, skipping insertion in model container
[2023-11-19 03:21:00,393 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:00,456 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 03:21:00,859 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:21:00,877 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 03:21:00,926 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:21:00,980 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 03:21:00,981 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00 WrapperNode
[2023-11-19 03:21:00,981 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 03:21:00,983 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 03:21:00,983 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 03:21:00,984 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 03:21:00,993 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,032 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,078 INFO  L138                Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 207
[2023-11-19 03:21:01,079 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 03:21:01,080 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 03:21:01,080 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 03:21:01,080 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 03:21:01,092 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,092 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,099 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,099 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,115 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,120 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,123 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,126 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,131 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 03:21:01,132 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 03:21:01,132 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 03:21:01,133 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 03:21:01,134 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:00" (1/1) ...
[2023-11-19 03:21:01,140 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:21:01,171 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 03:21:01,186 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 03:21:01,216 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4442d-cdbe-421a-94df-7e0a4669662f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 03:21:01,239 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 03:21:01,240 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 03:21:01,240 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 03:21:01,240 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 03:21:01,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 03:21:01,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 03:21:01,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 03:21:01,242 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 03:21:01,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 03:21:01,430 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 03:21:01,433 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 03:21:02,064 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 03:21:02,109 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 03:21:02,109 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-11-19 03:21:02,114 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:02 BoogieIcfgContainer
[2023-11-19 03:21:02,114 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 03:21:02,115 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 03:21:02,116 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 03:21:02,126 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 03:21:02,127 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:02" (1/1) ...
[2023-11-19 03:21:02,137 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 03:21:02,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:02,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 148 states and 168 transitions.
[2023-11-19 03:21:02,197 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions.
[2023-11-19 03:21:02,199 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 03:21:02,200 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:02,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:02,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:02,487 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 03:21:02,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:02,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 150 states and 173 transitions.
[2023-11-19 03:21:02,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 173 transitions.
[2023-11-19 03:21:02,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 03:21:02,570 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:02,571 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:02,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:02,796 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 03:21:02,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:02,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 152 states and 176 transitions.
[2023-11-19 03:21:02,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions.
[2023-11-19 03:21:02,952 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-19 03:21:02,952 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:02,952 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:02,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:03,162 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 03:21:03,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:03,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions.
[2023-11-19 03:21:03,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions.
[2023-11-19 03:21:03,407 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 03:21:03,407 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:03,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:03,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:03,733 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 03:21:04,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:04,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 159 states and 190 transitions.
[2023-11-19 03:21:04,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions.
[2023-11-19 03:21:04,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:21:04,230 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:04,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:04,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:04,332 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 03:21:05,007 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:05,007 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 164 states and 200 transitions.
[2023-11-19 03:21:05,008 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions.
[2023-11-19 03:21:05,008 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 03:21:05,008 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:05,008 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:05,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:05,117 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 03:21:06,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:06,186 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 170 states and 212 transitions.
[2023-11-19 03:21:06,186 INFO  L276                IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions.
[2023-11-19 03:21:06,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:21:06,189 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:06,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:06,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:06,268 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 03:21:07,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:07,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 175 states and 222 transitions.
[2023-11-19 03:21:07,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions.
[2023-11-19 03:21:07,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:21:07,228 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:07,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:07,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:07,354 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 03:21:08,812 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:08,813 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 181 states and 234 transitions.
[2023-11-19 03:21:08,813 INFO  L276                IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions.
[2023-11-19 03:21:08,814 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 03:21:08,814 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:08,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:08,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:08,852 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 03:21:08,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:08,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 184 states and 239 transitions.
[2023-11-19 03:21:08,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 184 states and 239 transitions.
[2023-11-19 03:21:08,997 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 03:21:08,997 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:08,997 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:09,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:09,233 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 03:21:10,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:10,055 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 187 states and 251 transitions.
[2023-11-19 03:21:10,056 INFO  L276                IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions.
[2023-11-19 03:21:10,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 03:21:10,059 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:10,059 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:10,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:10,200 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 03:21:10,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:10,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 189 states and 260 transitions.
[2023-11-19 03:21:10,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 189 states and 260 transitions.
[2023-11-19 03:21:10,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 03:21:10,758 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:10,758 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:10,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:10,785 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 03:21:10,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:10,810 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 188 states and 258 transitions.
[2023-11-19 03:21:10,810 INFO  L276                IsEmpty]: Start isEmpty. Operand 188 states and 258 transitions.
[2023-11-19 03:21:10,811 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 03:21:10,811 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:10,812 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:10,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:10,978 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 03:21:11,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:11,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 190 states and 262 transitions.
[2023-11-19 03:21:11,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions.
[2023-11-19 03:21:11,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 03:21:11,298 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:11,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:11,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:11,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:15,364 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:15,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 201 states and 293 transitions.
[2023-11-19 03:21:15,365 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states and 293 transitions.
[2023-11-19 03:21:15,366 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 03:21:15,366 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:15,366 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:15,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:15,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:16,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:16,190 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 203 states and 295 transitions.
[2023-11-19 03:21:16,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions.
[2023-11-19 03:21:16,191 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:21:16,191 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:16,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:16,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:16,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:21,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:21,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 214 states and 321 transitions.
[2023-11-19 03:21:21,009 INFO  L276                IsEmpty]: Start isEmpty. Operand 214 states and 321 transitions.
[2023-11-19 03:21:21,010 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:21:21,010 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:21,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:21,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:21,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:22,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:22,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 216 states and 322 transitions.
[2023-11-19 03:21:22,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 216 states and 322 transitions.
[2023-11-19 03:21:22,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:21:22,056 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:22,056 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:22,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:22,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:22,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:22,965 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 217 states and 322 transitions.
[2023-11-19 03:21:22,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 217 states and 322 transitions.
[2023-11-19 03:21:22,966 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:21:22,966 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:22,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:22,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:23,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:23,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:23,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 218 states and 322 transitions.
[2023-11-19 03:21:23,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions.
[2023-11-19 03:21:23,291 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:21:23,291 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:23,292 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:23,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:23,385 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 03:21:23,670 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:23,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 219 states and 323 transitions.
[2023-11-19 03:21:23,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions.
[2023-11-19 03:21:23,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:21:23,676 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:23,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:23,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:23,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:26,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:26,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 226 states and 342 transitions.
[2023-11-19 03:21:26,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 342 transitions.
[2023-11-19 03:21:26,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:21:26,442 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:26,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:26,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:26,463 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:27,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:27,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 228 states and 343 transitions.
[2023-11-19 03:21:27,032 INFO  L276                IsEmpty]: Start isEmpty. Operand 228 states and 343 transitions.
[2023-11-19 03:21:27,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:21:27,033 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:27,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:27,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:27,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:32,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:32,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 237 states and 363 transitions.
[2023-11-19 03:21:32,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 363 transitions.
[2023-11-19 03:21:32,339 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:21:32,339 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:32,340 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:32,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:32,512 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 03:21:32,678 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:32,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 225 states and 350 transitions.
[2023-11-19 03:21:32,679 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 350 transitions.
[2023-11-19 03:21:32,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 03:21:32,679 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:32,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:32,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:32,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:36,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:36,758 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 233 states and 379 transitions.
[2023-11-19 03:21:36,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 233 states and 379 transitions.
[2023-11-19 03:21:36,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 03:21:36,759 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:36,759 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:36,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:36,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:21:38,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:38,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 237 states and 384 transitions.
[2023-11-19 03:21:38,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 384 transitions.
[2023-11-19 03:21:38,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 03:21:38,677 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:38,677 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:38,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:38,914 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 03:21:45,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:45,460 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 250 states and 413 transitions.
[2023-11-19 03:21:45,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 413 transitions.
[2023-11-19 03:21:45,460 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:21:45,460 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:45,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:45,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:45,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 03:21:46,081 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:46,082 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 250 states and 412 transitions.
[2023-11-19 03:21:46,082 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 412 transitions.
[2023-11-19 03:21:46,083 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:21:46,083 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:46,083 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:46,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:46,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 03:21:47,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:47,647 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 253 states and 418 transitions.
[2023-11-19 03:21:47,647 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 418 transitions.
[2023-11-19 03:21:47,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:21:47,647 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:47,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:47,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:47,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 03:21:48,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:21:48,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 255 states and 422 transitions.
[2023-11-19 03:21:48,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 255 states and 422 transitions.
[2023-11-19 03:21:48,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:21:48,712 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:21:48,713 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:21:48,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:21:49,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.