./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_append_unequal.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 527bcce2
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 742ffe63db70127807dbc7584eb0c51633a9ed1be5f19fa1a247e43392d52dab
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-527bcce
[2023-11-21 18:27:28,617 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-21 18:27:28,729 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf
[2023-11-21 18:27:28,741 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 18:27:28,742 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-21 18:27:28,773 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 18:27:28,774 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 18:27:28,775 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-21 18:27:28,776 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 18:27:28,777 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-21 18:27:28,777 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 18:27:28,778 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-21 18:27:28,779 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-21 18:27:28,779 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-21 18:27:28,780 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-21 18:27:28,781 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-21 18:27:28,781 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 18:27:28,782 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 18:27:28,783 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 18:27:28,783 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-21 18:27:28,784 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-21 18:27:28,785 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-21 18:27:28,785 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-21 18:27:28,786 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-21 18:27:28,788 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-21 18:27:28,788 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-21 18:27:28,789 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-21 18:27:28,790 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 18:27:28,790 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-21 18:27:28,791 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 18:27:28,792 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 18:27:28,796 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 18:27:28,797 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-21 18:27:28,797 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 18:27:28,798 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 18:27:28,798 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_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/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_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2
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 ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 742ffe63db70127807dbc7584eb0c51633a9ed1be5f19fa1a247e43392d52dab
[2023-11-21 18:27:29,104 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 18:27:29,147 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 18:27:29,151 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 18:27:29,153 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-21 18:27:29,154 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-21 18:27:29,156 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/list-simple/sll2n_append_unequal.i
[2023-11-21 18:27:32,559 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-21 18:27:32,947 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-21 18:27:32,953 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/sv-benchmarks/c/list-simple/sll2n_append_unequal.i
[2023-11-21 18:27:32,978 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/data/a8e57bdd8/c98e51d17c294b60aa8897927763c02b/FLAGa2bf0b765
[2023-11-21 18:27:32,997 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/data/a8e57bdd8/c98e51d17c294b60aa8897927763c02b
[2023-11-21 18:27:33,000 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 18:27:33,002 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 18:27:33,004 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 18:27:33,004 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 18:27:33,011 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 18:27:33,015 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:32" (1/1) ...
[2023-11-21 18:27:33,016 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6384f3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33, skipping insertion in model container
[2023-11-21 18:27:33,017 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:32" (1/1) ...
[2023-11-21 18:27:33,079 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-21 18:27:33,535 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 18:27:33,550 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-21 18:27:33,645 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 18:27:33,691 INFO  L206         MainTranslator]: Completed translation
[2023-11-21 18:27:33,692 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33 WrapperNode
[2023-11-21 18:27:33,692 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 18:27:33,694 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 18:27:33,694 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 18:27:33,695 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 18:27:33,704 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,744 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,781 INFO  L138                Inliner]: procedures = 127, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 148
[2023-11-21 18:27:33,782 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 18:27:33,783 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 18:27:33,783 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 18:27:33,783 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 18:27:33,796 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,796 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,805 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,806 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,815 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,827 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,830 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,832 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,837 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 18:27:33,838 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 18:27:33,838 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 18:27:33,839 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-21 18:27:33,840 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:33" (1/1) ...
[2023-11-21 18:27:33,847 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-21 18:27:33,866 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/z3
[2023-11-21 18:27:33,892 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-21 18:27:33,922 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941620a9-dbb8-4ba1-b25b-803a3204303e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-21 18:27:33,942 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-21 18:27:33,943 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-21 18:27:33,943 INFO  L130     BoogieDeclarations]: Found specification of procedure node_create
[2023-11-21 18:27:33,944 INFO  L138     BoogieDeclarations]: Found implementation of procedure node_create
[2023-11-21 18:27:33,944 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-21 18:27:33,944 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 18:27:33,945 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-21 18:27:33,945 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-21 18:27:33,945 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-21 18:27:33,945 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 18:27:33,946 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-21 18:27:33,946 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-21 18:27:33,946 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 18:27:33,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 18:27:34,099 INFO  L240             CfgBuilder]: Building ICFG
[2023-11-21 18:27:34,101 INFO  L266             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 18:27:34,471 INFO  L281             CfgBuilder]: Performing block encoding
[2023-11-21 18:27:34,564 INFO  L303             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-21 18:27:34,564 INFO  L308             CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-21 18:27:34,566 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:34 BoogieIcfgContainer
[2023-11-21 18:27:34,586 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-21 18:27:34,587 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-21 18:27:34,587 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-21 18:27:34,600 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-21 18:27:34,600 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:34" (1/1) ...
[2023-11-21 18:27:34,609 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 18:27:34,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:34,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions.
[2023-11-21 18:27:34,679 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions.
[2023-11-21 18:27:34,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-21 18:27:34,685 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:34,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:34,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:35,242 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:27:35,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:35,328 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions.
[2023-11-21 18:27:35,329 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions.
[2023-11-21 18:27:35,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-21 18:27:35,331 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:35,331 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:35,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:35,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 18:27:35,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:35,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions.
[2023-11-21 18:27:35,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2023-11-21 18:27:35,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-21 18:27:35,603 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:35,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:35,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:35,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-21 18:27:35,864 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:35,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 60 transitions.
[2023-11-21 18:27:35,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions.
[2023-11-21 18:27:35,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-21 18:27:35,866 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:35,867 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:35,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:36,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:27:36,509 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:36,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 58 transitions.
[2023-11-21 18:27:36,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions.
[2023-11-21 18:27:36,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-21 18:27:36,515 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:36,516 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:36,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:36,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 18:27:36,722 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:36,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 58 transitions.
[2023-11-21 18:27:36,729 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions.
[2023-11-21 18:27:36,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-21 18:27:36,731 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:36,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:36,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:36,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:37,628 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:37,629 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 64 transitions.
[2023-11-21 18:27:37,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions.
[2023-11-21 18:27:37,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-11-21 18:27:37,631 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:37,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:37,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:37,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:37,788 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:37,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 65 transitions.
[2023-11-21 18:27:37,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions.
[2023-11-21 18:27:37,793 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2023-11-21 18:27:37,793 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:37,793 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:37,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:37,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:37,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:37,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 64 transitions.
[2023-11-21 18:27:37,882 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions.
[2023-11-21 18:27:37,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-21 18:27:37,883 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:37,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:37,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:38,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:38,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:38,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 71 transitions.
[2023-11-21 18:27:38,236 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions.
[2023-11-21 18:27:38,237 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-21 18:27:38,237 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:38,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:38,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:38,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:38,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:38,381 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 66 transitions.
[2023-11-21 18:27:38,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions.
[2023-11-21 18:27:38,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-21 18:27:38,385 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:38,385 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:38,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:38,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:38,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:38,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 70 transitions.
[2023-11-21 18:27:38,587 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions.
[2023-11-21 18:27:38,590 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-21 18:27:38,590 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:38,590 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:38,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:38,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:38,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:38,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 71 transitions.
[2023-11-21 18:27:38,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions.
[2023-11-21 18:27:38,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2023-11-21 18:27:38,770 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:38,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:38,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:38,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:38,967 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:38,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 73 transitions.
[2023-11-21 18:27:38,968 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions.
[2023-11-21 18:27:38,968 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-21 18:27:38,968 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:38,969 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:38,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:39,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:39,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:39,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 81 transitions.
[2023-11-21 18:27:39,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions.
[2023-11-21 18:27:39,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-21 18:27:39,260 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:39,260 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:39,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:39,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:39,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:39,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 88 transitions.
[2023-11-21 18:27:39,830 INFO  L276                IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions.
[2023-11-21 18:27:39,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2023-11-21 18:27:39,831 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:39,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:39,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:40,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:40,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:40,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 92 transitions.
[2023-11-21 18:27:40,219 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions.
[2023-11-21 18:27:40,220 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2023-11-21 18:27:40,221 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:40,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:40,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:40,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:40,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:40,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 99 transitions.
[2023-11-21 18:27:40,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions.
[2023-11-21 18:27:40,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2023-11-21 18:27:40,943 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:40,943 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:40,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:41,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:41,449 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:41,449 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 79 states and 105 transitions.
[2023-11-21 18:27:41,450 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions.
[2023-11-21 18:27:41,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2023-11-21 18:27:41,450 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:41,451 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:41,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:41,552 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-11-21 18:27:42,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:42,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 88 states and 117 transitions.
[2023-11-21 18:27:42,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions.
[2023-11-21 18:27:42,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2023-11-21 18:27:42,333 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:42,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:42,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:42,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:42,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:42,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 81 transitions.
[2023-11-21 18:27:42,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions.
[2023-11-21 18:27:42,706 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-21 18:27:42,706 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:42,706 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:42,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:42,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:43,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:43,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 69 states and 88 transitions.
[2023-11-21 18:27:43,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions.
[2023-11-21 18:27:43,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2023-11-21 18:27:43,410 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:43,411 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:43,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:43,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:43,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:43,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 73 states and 94 transitions.
[2023-11-21 18:27:43,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions.
[2023-11-21 18:27:43,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-21 18:27:43,857 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:43,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:43,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:43,949 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2023-11-21 18:27:44,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:44,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 73 states and 93 transitions.
[2023-11-21 18:27:44,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions.
[2023-11-21 18:27:44,694 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2023-11-21 18:27:44,694 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:44,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:44,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:45,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:45,410 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:45,411 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 78 states and 100 transitions.
[2023-11-21 18:27:45,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions.
[2023-11-21 18:27:45,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-21 18:27:45,411 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:45,412 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:45,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:45,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:45,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:45,837 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 106 transitions.
[2023-11-21 18:27:45,837 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions.
[2023-11-21 18:27:45,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-11-21 18:27:45,837 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:45,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:45,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:45,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2023-11-21 18:27:46,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:46,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 82 states and 105 transitions.
[2023-11-21 18:27:46,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions.
[2023-11-21 18:27:46,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2023-11-21 18:27:46,689 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:46,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:46,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:47,020 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:47,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:47,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 87 states and 112 transitions.
[2023-11-21 18:27:47,521 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions.
[2023-11-21 18:27:47,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-21 18:27:47,522 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:47,522 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:47,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:47,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:48,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:48,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 91 states and 118 transitions.
[2023-11-21 18:27:48,094 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions.
[2023-11-21 18:27:48,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2023-11-21 18:27:48,095 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:48,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:48,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:48,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2023-11-21 18:27:49,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:49,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 91 states and 117 transitions.
[2023-11-21 18:27:49,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions.
[2023-11-21 18:27:49,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-21 18:27:49,125 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:49,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:49,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:49,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:50,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:50,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 96 states and 124 transitions.
[2023-11-21 18:27:50,215 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions.
[2023-11-21 18:27:50,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2023-11-21 18:27:50,216 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:50,216 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:50,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:50,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:50,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:50,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 100 states and 130 transitions.
[2023-11-21 18:27:50,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 130 transitions.
[2023-11-21 18:27:50,851 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2023-11-21 18:27:50,851 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:50,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:50,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:50,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.
[2023-11-21 18:27:51,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:51,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 100 states and 129 transitions.
[2023-11-21 18:27:51,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions.
[2023-11-21 18:27:51,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-21 18:27:51,989 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:51,989 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:52,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:52,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:53,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:53,029 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 105 states and 136 transitions.
[2023-11-21 18:27:53,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions.
[2023-11-21 18:27:53,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-11-21 18:27:53,030 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:53,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:53,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:53,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:53,769 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:53,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 109 states and 142 transitions.
[2023-11-21 18:27:53,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions.
[2023-11-21 18:27:53,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2023-11-21 18:27:53,770 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:53,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:53,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:53,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.
[2023-11-21 18:27:54,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:54,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 109 states and 141 transitions.
[2023-11-21 18:27:54,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions.
[2023-11-21 18:27:54,896 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-21 18:27:54,897 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:54,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:54,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:55,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:56,218 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:56,219 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 114 states and 148 transitions.
[2023-11-21 18:27:56,219 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions.
[2023-11-21 18:27:56,220 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-21 18:27:56,220 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:56,220 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:56,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:56,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:56,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:56,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 118 states and 154 transitions.
[2023-11-21 18:27:56,927 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions.
[2023-11-21 18:27:56,928 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2023-11-21 18:27:56,928 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:56,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:56,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:57,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked.
[2023-11-21 18:27:58,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:58,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 118 states and 153 transitions.
[2023-11-21 18:27:58,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions.
[2023-11-21 18:27:58,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2023-11-21 18:27:58,070 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:58,070 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:58,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:58,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:27:59,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:27:59,300 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 123 states and 160 transitions.
[2023-11-21 18:27:59,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions.
[2023-11-21 18:27:59,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2023-11-21 18:27:59,301 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:27:59,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:27:59,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:27:59,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:00,048 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:00,049 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 127 states and 166 transitions.
[2023-11-21 18:28:00,049 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions.
[2023-11-21 18:28:00,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2023-11-21 18:28:00,050 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:00,050 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:00,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:00,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked.
[2023-11-21 18:28:01,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:01,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 127 states and 165 transitions.
[2023-11-21 18:28:01,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 165 transitions.
[2023-11-21 18:28:01,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-21 18:28:01,282 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:01,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:01,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:01,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:02,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:02,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 132 states and 172 transitions.
[2023-11-21 18:28:02,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 172 transitions.
[2023-11-21 18:28:02,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2023-11-21 18:28:02,503 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:02,503 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:02,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:02,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:03,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:03,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 136 states and 178 transitions.
[2023-11-21 18:28:03,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions.
[2023-11-21 18:28:03,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-21 18:28:03,292 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:03,292 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:03,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:03,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked.
[2023-11-21 18:28:04,496 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:04,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 136 states and 177 transitions.
[2023-11-21 18:28:04,497 INFO  L276                IsEmpty]: Start isEmpty. Operand 136 states and 177 transitions.
[2023-11-21 18:28:04,498 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-21 18:28:04,498 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:04,498 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:04,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:05,097 INFO  L134       CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:05,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:05,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 141 states and 184 transitions.
[2023-11-21 18:28:05,809 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions.
[2023-11-21 18:28:05,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-21 18:28:05,810 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:05,810 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:05,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:06,301 INFO  L134       CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:06,673 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:06,675 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 145 states and 190 transitions.
[2023-11-21 18:28:06,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions.
[2023-11-21 18:28:06,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-11-21 18:28:06,676 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:06,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:06,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:06,772 INFO  L134       CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked.
[2023-11-21 18:28:07,986 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:07,987 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 145 states and 189 transitions.
[2023-11-21 18:28:07,987 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions.
[2023-11-21 18:28:07,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2023-11-21 18:28:07,988 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:07,988 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:08,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:08,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:09,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:09,506 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 150 states and 196 transitions.
[2023-11-21 18:28:09,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions.
[2023-11-21 18:28:09,507 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2023-11-21 18:28:09,507 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:09,514 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:09,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:10,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:10,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:10,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 154 states and 202 transitions.
[2023-11-21 18:28:10,452 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions.
[2023-11-21 18:28:10,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2023-11-21 18:28:10,453 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:10,453 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:10,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:10,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked.
[2023-11-21 18:28:11,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:11,774 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 154 states and 201 transitions.
[2023-11-21 18:28:11,774 INFO  L276                IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions.
[2023-11-21 18:28:11,776 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2023-11-21 18:28:11,776 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:11,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:11,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:12,506 INFO  L134       CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:13,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:13,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 159 states and 208 transitions.
[2023-11-21 18:28:13,373 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 208 transitions.
[2023-11-21 18:28:13,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2023-11-21 18:28:13,374 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:13,374 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:13,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:13,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-21 18:28:14,380 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-21 18:28:14,381 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 163 states and 214 transitions.
[2023-11-21 18:28:14,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 163 states and 214 transitions.
[2023-11-21 18:28:14,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2023-11-21 18:28:14,381 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-21 18:28:14,382 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 18:28:14,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 18:28:14,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked.