./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i --full-output --architecture 64bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version 0e0057cc
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_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89b7500933072598b3ae86cb9a0697a1fc30e47e1dd961db3afeb42e68cfc79e
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 22:57:51,638 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 22:57:51,769 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf
[2023-11-24 22:57:51,781 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 22:57:51,782 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-24 22:57:51,822 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 22:57:51,824 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 22:57:51,825 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 22:57:51,826 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 22:57:51,831 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 22:57:51,833 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 22:57:51,833 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2023-11-24 22:57:51,834 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2023-11-24 22:57:51,836 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2023-11-24 22:57:51,840 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 22:57:51,841 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-24 22:57:51,841 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 22:57:51,842 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-24 22:57:51,843 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-24 22:57:51,843 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-24 22:57:51,844 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 22:57:51,845 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 22:57:51,846 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 22:57:51,846 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 22:57:51,847 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-24 22:57:51,848 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 22:57:51,848 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_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/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_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89b7500933072598b3ae86cb9a0697a1fc30e47e1dd961db3afeb42e68cfc79e
[2023-11-24 22:57:52,168 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 22:57:52,193 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 22:57:52,196 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 22:57:52,198 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 22:57:52,198 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 22:57:52,200 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety-broom/sll-nested-sll.i
[2023-11-24 22:57:55,375 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 22:57:55,716 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 22:57:55,718 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/sv-benchmarks/c/memsafety-broom/sll-nested-sll.i
[2023-11-24 22:57:55,751 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/data/0c88373e7/7cf997d53aa54820901e9457be4b7553/FLAGd112aac4c
[2023-11-24 22:57:55,772 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/data/0c88373e7/7cf997d53aa54820901e9457be4b7553
[2023-11-24 22:57:55,778 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 22:57:55,780 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 22:57:55,784 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 22:57:55,785 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 22:57:55,790 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 22:57:55,792 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:55" (1/1) ...
[2023-11-24 22:57:55,793 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237ce27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:55, skipping insertion in model container
[2023-11-24 22:57:55,793 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:55" (1/1) ...
[2023-11-24 22:57:55,882 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 22:57:56,221 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:57:56,232 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 22:57:56,294 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:57:56,326 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 22:57:56,327 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56 WrapperNode
[2023-11-24 22:57:56,327 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 22:57:56,329 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 22:57:56,329 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 22:57:56,329 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 22:57:56,338 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,353 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,382 INFO  L138                Inliner]: procedures = 122, calls = 33, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 167
[2023-11-24 22:57:56,383 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 22:57:56,384 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 22:57:56,384 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 22:57:56,385 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 22:57:56,394 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,394 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,399 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,400 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,415 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,419 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,422 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,424 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,428 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 22:57:56,429 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 22:57:56,429 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 22:57:56,429 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 22:57:56,430 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:56" (1/1) ...
[2023-11-24 22:57:56,437 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 22:57:56,476 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/z3
[2023-11-24 22:57:56,495 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-24 22:57:56,499 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ea6e3-378e-4bfe-ab1e-81815b155617/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-24 22:57:56,532 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-24 22:57:56,532 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-24 22:57:56,532 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-24 22:57:56,532 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 22:57:56,533 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 22:57:56,533 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 22:57:56,715 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 22:57:56,718 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 22:57:57,182 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 22:57:57,281 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 22:57:57,281 INFO  L309             CfgBuilder]: Removed 7 assume(true) statements.
[2023-11-24 22:57:57,283 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:57 BoogieIcfgContainer
[2023-11-24 22:57:57,283 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 22:57:57,284 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-24 22:57:57,284 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-24 22:57:57,296 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-24 22:57:57,296 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:57" (1/1) ...
[2023-11-24 22:57:57,310 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:57:57,367 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:57,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions.
[2023-11-24 22:57:57,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions.
[2023-11-24 22:57:57,376 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2023-11-24 22:57:57,376 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:57,376 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:57,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:57,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:57,698 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:57,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions.
[2023-11-24 22:57:57,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions.
[2023-11-24 22:57:57,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2023-11-24 22:57:57,700 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:57,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:57,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:57,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:57,974 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:57,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions.
[2023-11-24 22:57:57,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions.
[2023-11-24 22:57:57,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-24 22:57:57,982 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:57,983 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,044 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:58,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:58,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions.
[2023-11-24 22:57:58,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions.
[2023-11-24 22:57:58,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-24 22:57:58,069 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:58,070 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:58,383 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:58,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions.
[2023-11-24 22:57:58,384 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions.
[2023-11-24 22:57:58,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-24 22:57:58,384 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:58,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:58,500 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:58,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions.
[2023-11-24 22:57:58,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions.
[2023-11-24 22:57:58,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-24 22:57:58,501 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:58,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:58,771 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:58,772 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions.
[2023-11-24 22:57:58,772 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions.
[2023-11-24 22:57:58,772 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-24 22:57:58,773 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:58,773 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:58,849 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:58,849 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions.
[2023-11-24 22:57:58,849 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions.
[2023-11-24 22:57:58,850 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-24 22:57:58,850 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:58,850 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:58,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:58,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:59,102 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:59,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions.
[2023-11-24 22:57:59,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions.
[2023-11-24 22:57:59,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-24 22:57:59,103 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:59,104 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:59,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:59,245 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:57:59,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:57:59,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 94 states and 104 transitions.
[2023-11-24 22:57:59,502 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions.
[2023-11-24 22:57:59,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-24 22:57:59,503 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:57:59,503 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:57:59,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:57:59,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:00,102 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:00,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 98 states and 110 transitions.
[2023-11-24 22:58:00,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions.
[2023-11-24 22:58:00,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-24 22:58:00,103 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:00,104 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:00,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:00,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:00,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:00,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions.
[2023-11-24 22:58:00,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions.
[2023-11-24 22:58:00,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-24 22:58:00,769 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:00,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:00,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:01,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:01,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:01,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 106 states and 128 transitions.
[2023-11-24 22:58:01,853 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions.
[2023-11-24 22:58:01,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-24 22:58:01,856 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:01,856 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:01,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:01,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:01,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:01,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 105 states and 127 transitions.
[2023-11-24 22:58:01,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions.
[2023-11-24 22:58:01,927 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-24 22:58:01,927 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:01,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:01,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:02,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:02,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions.
[2023-11-24 22:58:02,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions.
[2023-11-24 22:58:02,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-24 22:58:02,227 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:02,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:02,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,337 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:02,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:02,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 105 states and 130 transitions.
[2023-11-24 22:58:02,359 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions.
[2023-11-24 22:58:02,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-24 22:58:02,361 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:02,361 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:02,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:02,542 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:02,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions.
[2023-11-24 22:58:02,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions.
[2023-11-24 22:58:02,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-24 22:58:02,543 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:02,544 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:02,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:02,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:02,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 103 states and 128 transitions.
[2023-11-24 22:58:02,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions.
[2023-11-24 22:58:02,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-24 22:58:02,593 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:02,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:02,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:02,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:02,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions.
[2023-11-24 22:58:02,684 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions.
[2023-11-24 22:58:02,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:02,685 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:02,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:02,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:02,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:03,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:03,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 147 transitions.
[2023-11-24 22:58:03,882 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions.
[2023-11-24 22:58:03,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:03,883 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:03,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:03,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:04,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:06,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:06,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 167 transitions.
[2023-11-24 22:58:06,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions.
[2023-11-24 22:58:06,194 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:06,195 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:06,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:06,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:06,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:07,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:07,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 177 transitions.
[2023-11-24 22:58:07,107 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions.
[2023-11-24 22:58:07,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:07,108 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:07,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:07,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:07,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:08,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:08,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 130 states and 189 transitions.
[2023-11-24 22:58:08,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions.
[2023-11-24 22:58:08,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:08,911 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:08,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:08,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:09,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:10,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:10,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 130 states and 187 transitions.
[2023-11-24 22:58:10,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions.
[2023-11-24 22:58:10,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:10,504 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:10,504 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:10,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:10,824 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:12,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:12,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 133 states and 190 transitions.
[2023-11-24 22:58:12,378 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states and 190 transitions.
[2023-11-24 22:58:12,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:12,379 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:12,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:12,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:12,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:14,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:14,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 140 states and 202 transitions.
[2023-11-24 22:58:14,502 INFO  L276                IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions.
[2023-11-24 22:58:14,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:14,503 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:14,503 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:14,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:15,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:17,800 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:17,800 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 152 transitions.
[2023-11-24 22:58:17,801 INFO  L276                IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions.
[2023-11-24 22:58:17,801 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-24 22:58:17,801 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:17,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:17,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:18,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:19,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:19,057 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions.
[2023-11-24 22:58:19,057 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions.
[2023-11-24 22:58:19,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-24 22:58:19,058 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:19,058 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:19,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:19,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:23,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:23,747 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions.
[2023-11-24 22:58:23,747 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions.
[2023-11-24 22:58:23,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-24 22:58:23,748 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:23,748 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:23,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:23,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:23,795 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:23,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions.
[2023-11-24 22:58:23,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions.
[2023-11-24 22:58:23,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-24 22:58:23,796 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:23,797 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:23,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:24,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:24,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:24,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 120 states and 165 transitions.
[2023-11-24 22:58:24,620 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions.
[2023-11-24 22:58:24,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:24,621 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:24,621 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:24,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:24,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:24,689 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:24,690 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 122 states and 169 transitions.
[2023-11-24 22:58:24,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 169 transitions.
[2023-11-24 22:58:24,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:24,691 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:24,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:24,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:25,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:25,452 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:25,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 124 states and 176 transitions.
[2023-11-24 22:58:25,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions.
[2023-11-24 22:58:25,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:25,453 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:25,453 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:25,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:26,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:32,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:32,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions.
[2023-11-24 22:58:32,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions.
[2023-11-24 22:58:32,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:32,677 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:32,677 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:32,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:34,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:43,003 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:43,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 146 states and 230 transitions.
[2023-11-24 22:58:43,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 230 transitions.
[2023-11-24 22:58:43,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:43,005 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:43,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:43,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:43,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:43,074 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:43,075 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 145 states and 229 transitions.
[2023-11-24 22:58:43,075 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions.
[2023-11-24 22:58:43,075 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-24 22:58:43,076 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:43,076 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:43,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:43,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:58:43,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:58:43,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 144 states and 228 transitions.
[2023-11-24 22:58:43,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 144 states and 228 transitions.
[2023-11-24 22:58:43,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-24 22:58:43,172 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:58:43,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:58:43,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:58:45,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.