./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.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_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/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_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/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_7836c294-4f74-404a-b588-b676a3acd1f5/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 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 03:58:14,014 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 03:58:14,158 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf
[2023-11-19 03:58:14,169 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 03:58:14,172 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-19 03:58:14,214 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 03:58:14,217 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 03:58:14,218 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 03:58:14,219 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 03:58:14,227 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 03:58:14,227 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 03:58:14,228 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 03:58:14,228 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-19 03:58:14,230 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-19 03:58:14,231 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 03:58:14,231 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 03:58:14,232 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 03:58:14,232 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-19 03:58:14,233 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-19 03:58:14,233 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-19 03:58:14,234 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 03:58:14,235 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:58:14,236 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 03:58:14,236 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 03:58:14,237 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-19 03:58:14,237 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 03:58:14,238 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_7836c294-4f74-404a-b588-b676a3acd1f5/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_7836c294-4f74-404a-b588-b676a3acd1f5/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 -> 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a
[2023-11-19 03:58:14,509 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 03:58:14,533 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 03:58:14,537 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 03:58:14,538 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 03:58:14,543 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 03:58:14,545 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i
[2023-11-19 03:58:17,840 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 03:58:18,179 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 03:58:18,181 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/sv-benchmarks/c/termination-15/count_up_and_down_alloca.i
[2023-11-19 03:58:18,199 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/data/ed172e9c2/640fd2092ce94b00b0a4c14aa3e73879/FLAGcb02bd49a
[2023-11-19 03:58:18,223 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/data/ed172e9c2/640fd2092ce94b00b0a4c14aa3e73879
[2023-11-19 03:58:18,226 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 03:58:18,228 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 03:58:18,229 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 03:58:18,235 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 03:58:18,241 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 03:58:18,242 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,244 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11083d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18, skipping insertion in model container
[2023-11-19 03:58:18,244 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,311 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 03:58:18,691 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:58:18,705 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 03:58:18,777 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 03:58:18,825 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 03:58:18,827 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18 WrapperNode
[2023-11-19 03:58:18,827 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 03:58:18,829 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 03:58:18,829 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 03:58:18,829 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 03:58:18,838 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,858 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,879 INFO  L138                Inliner]: procedures = 151, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57
[2023-11-19 03:58:18,880 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 03:58:18,881 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 03:58:18,881 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 03:58:18,881 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 03:58:18,892 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,892 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,895 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,895 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,901 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,905 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,907 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,908 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,911 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 03:58:18,912 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 03:58:18,913 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 03:58:18,913 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 03:58:18,914 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:18" (1/1) ...
[2023-11-19 03:58:18,921 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-19 03:58:18,937 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/z3
[2023-11-19 03:58:18,961 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-19 03:58:18,970 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7836c294-4f74-404a-b588-b676a3acd1f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-19 03:58:19,010 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 03:58:19,010 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 03:58:19,010 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 03:58:19,011 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 03:58:19,011 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 03:58:19,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 03:58:19,116 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 03:58:19,119 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 03:58:19,343 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 03:58:19,407 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 03:58:19,407 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-11-19 03:58:19,413 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:19 BoogieIcfgContainer
[2023-11-19 03:58:19,413 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 03:58:19,415 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-19 03:58:19,415 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-19 03:58:19,428 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-19 03:58:19,428 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:19" (1/1) ...
[2023-11-19 03:58:19,437 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 03:58:19,490 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:19,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions.
[2023-11-19 03:58:19,497 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions.
[2023-11-19 03:58:19,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 03:58:19,500 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:19,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:19,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:19,819 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 03:58:19,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:19,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions.
[2023-11-19 03:58:19,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions.
[2023-11-19 03:58:19,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 03:58:19,899 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:19,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:19,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:20,075 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 03:58:20,248 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:20,249 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions.
[2023-11-19 03:58:20,250 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions.
[2023-11-19 03:58:20,250 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 03:58:20,251 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:20,252 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:20,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:20,559 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 03:58:20,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:20,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions.
[2023-11-19 03:58:20,826 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions.
[2023-11-19 03:58:20,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 03:58:20,834 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:20,835 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:20,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:20,905 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 03:58:20,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:20,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions.
[2023-11-19 03:58:20,929 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2023-11-19 03:58:20,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 03:58:20,930 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:20,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:20,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:21,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:21,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:21,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions.
[2023-11-19 03:58:21,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2023-11-19 03:58:21,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:58:21,214 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:21,215 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:21,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:21,363 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 03:58:21,821 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:21,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions.
[2023-11-19 03:58:21,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions.
[2023-11-19 03:58:21,822 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:58:21,822 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:21,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:21,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:21,842 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 03:58:21,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:21,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions.
[2023-11-19 03:58:21,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions.
[2023-11-19 03:58:21,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:58:21,981 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:21,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:21,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:22,081 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 03:58:22,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:22,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions.
[2023-11-19 03:58:22,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions.
[2023-11-19 03:58:22,459 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:58:22,459 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:22,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:22,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:22,770 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 03:58:24,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:24,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions.
[2023-11-19 03:58:24,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions.
[2023-11-19 03:58:24,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 03:58:24,050 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:24,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:24,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:24,076 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 03:58:24,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:24,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions.
[2023-11-19 03:58:24,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions.
[2023-11-19 03:58:24,158 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 03:58:24,159 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:24,159 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:24,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:24,184 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 03:58:24,210 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:24,211 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions.
[2023-11-19 03:58:24,211 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions.
[2023-11-19 03:58:24,212 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 03:58:24,212 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:24,213 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:24,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:24,359 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 03:58:24,441 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:24,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions.
[2023-11-19 03:58:24,447 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions.
[2023-11-19 03:58:24,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 03:58:24,450 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:24,451 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:24,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:24,666 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 03:58:25,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:25,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions.
[2023-11-19 03:58:25,056 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions.
[2023-11-19 03:58:25,057 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:58:25,057 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:25,057 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:25,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:25,091 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 03:58:25,112 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:25,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions.
[2023-11-19 03:58:25,113 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions.
[2023-11-19 03:58:25,114 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:58:25,114 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:25,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:25,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:25,200 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 03:58:25,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:25,229 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions.
[2023-11-19 03:58:25,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions.
[2023-11-19 03:58:25,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:58:25,230 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:25,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:25,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:25,503 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 03:58:26,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:26,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions.
[2023-11-19 03:58:26,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions.
[2023-11-19 03:58:26,213 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:58:26,213 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:26,214 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:26,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:27,005 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 03:58:28,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:28,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions.
[2023-11-19 03:58:28,812 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions.
[2023-11-19 03:58:28,813 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 03:58:28,813 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:28,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:28,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:28,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:29,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:29,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions.
[2023-11-19 03:58:29,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions.
[2023-11-19 03:58:29,016 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 03:58:29,016 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:29,017 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:29,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:29,040 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 03:58:29,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:29,058 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions.
[2023-11-19 03:58:29,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions.
[2023-11-19 03:58:29,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 03:58:29,060 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:29,061 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:29,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:29,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:30,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:30,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions.
[2023-11-19 03:58:30,172 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions.
[2023-11-19 03:58:30,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 03:58:30,172 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:30,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:30,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:30,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 03:58:33,091 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:33,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions.
[2023-11-19 03:58:33,092 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions.
[2023-11-19 03:58:33,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 03:58:33,093 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:33,093 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:33,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:33,126 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 03:58:33,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:33,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions.
[2023-11-19 03:58:33,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions.
[2023-11-19 03:58:33,390 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 03:58:33,390 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:33,390 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:33,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:33,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:33,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:33,754 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions.
[2023-11-19 03:58:33,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions.
[2023-11-19 03:58:33,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 03:58:33,755 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:33,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:33,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:33,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 03:58:34,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:34,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions.
[2023-11-19 03:58:34,206 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions.
[2023-11-19 03:58:34,207 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 03:58:34,207 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:34,207 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:34,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:34,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:36,439 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:36,439 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions.
[2023-11-19 03:58:36,439 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions.
[2023-11-19 03:58:36,440 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:58:36,440 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:36,440 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:36,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:36,838 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 03:58:38,840 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:38,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions.
[2023-11-19 03:58:38,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions.
[2023-11-19 03:58:38,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:58:38,841 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:38,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:38,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:38,965 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 03:58:39,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:39,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions.
[2023-11-19 03:58:39,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions.
[2023-11-19 03:58:39,479 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:58:39,479 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:39,479 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:39,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:39,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:39,840 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:39,841 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions.
[2023-11-19 03:58:39,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions.
[2023-11-19 03:58:39,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 03:58:39,841 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:39,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:39,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:39,960 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 03:58:40,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:40,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions.
[2023-11-19 03:58:40,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions.
[2023-11-19 03:58:40,487 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:58:40,487 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:40,488 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:40,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:40,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:41,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:41,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions.
[2023-11-19 03:58:41,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions.
[2023-11-19 03:58:41,041 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 03:58:41,042 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:41,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:41,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:41,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:58:41,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:41,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions.
[2023-11-19 03:58:41,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions.
[2023-11-19 03:58:41,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 03:58:41,378 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:41,378 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:41,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:41,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:42,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:42,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions.
[2023-11-19 03:58:42,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions.
[2023-11-19 03:58:42,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 03:58:42,194 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:42,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:42,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:42,220 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:42,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:42,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions.
[2023-11-19 03:58:42,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions.
[2023-11-19 03:58:42,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:58:42,253 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:42,253 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:42,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:42,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:58:44,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:44,901 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions.
[2023-11-19 03:58:44,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions.
[2023-11-19 03:58:44,902 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:58:44,902 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:44,902 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:44,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:44,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 03:58:45,490 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:45,491 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions.
[2023-11-19 03:58:45,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions.
[2023-11-19 03:58:45,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:58:45,491 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:45,491 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:45,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:45,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:49,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:49,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 103 transitions.
[2023-11-19 03:58:49,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 103 transitions.
[2023-11-19 03:58:49,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:58:49,172 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:49,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:49,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:49,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:58:49,599 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:49,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions.
[2023-11-19 03:58:49,600 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions.
[2023-11-19 03:58:49,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 03:58:49,600 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:49,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:49,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:49,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:58:50,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:50,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 68 states and 107 transitions.
[2023-11-19 03:58:50,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions.
[2023-11-19 03:58:50,077 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:58:50,077 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:50,078 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:50,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:50,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:53,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:53,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions.
[2023-11-19 03:58:53,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions.
[2023-11-19 03:58:53,701 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:58:53,701 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:53,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:53,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:54,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:58:57,558 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:58:57,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions.
[2023-11-19 03:58:57,558 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions.
[2023-11-19 03:58:57,559 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:58:57,559 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:58:57,560 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:58:57,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:58:57,671 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:59:00,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:00,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 91 states and 149 transitions.
[2023-11-19 03:59:00,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 149 transitions.
[2023-11-19 03:59:00,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:59:00,138 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:00,138 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:00,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:00,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 03:59:00,698 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:00,699 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 149 transitions.
[2023-11-19 03:59:00,699 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions.
[2023-11-19 03:59:00,699 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:59:00,699 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:00,700 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:00,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:00,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:59:01,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:01,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 154 transitions.
[2023-11-19 03:59:01,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions.
[2023-11-19 03:59:01,389 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 03:59:01,389 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:01,390 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:01,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:01,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 03:59:02,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:02,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions.
[2023-11-19 03:59:02,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions.
[2023-11-19 03:59:02,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 03:59:02,125 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:02,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:02,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:02,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:59:03,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:03,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 157 transitions.
[2023-11-19 03:59:03,603 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions.
[2023-11-19 03:59:03,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 03:59:03,604 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:03,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:03,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:03,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:59:04,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:04,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 160 transitions.
[2023-11-19 03:59:04,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions.
[2023-11-19 03:59:04,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 03:59:04,129 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:04,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:04,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:04,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-19 03:59:04,220 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:04,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions.
[2023-11-19 03:59:04,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions.
[2023-11-19 03:59:04,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 03:59:04,221 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:04,221 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:04,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:04,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-19 03:59:04,739 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:04,740 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 163 transitions.
[2023-11-19 03:59:04,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions.
[2023-11-19 03:59:04,740 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-19 03:59:04,741 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:04,741 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:04,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:04,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 03:59:04,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-19 03:59:04,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 164 transitions.
[2023-11-19 03:59:04,831 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions.
[2023-11-19 03:59:04,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 03:59:04,832 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-19 03:59:04,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 03:59:04,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 03:59:05,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.