./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label15.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ead7e3a302f44662b07a5ea719f994de7b628f5972c8a4b6eb03d1df600985d2
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:27:23,444 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:27:23,498 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 08:27:23,501 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:27:23,502 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:27:23,520 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:27:23,521 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:27:23,521 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:27:23,521 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:27:23,521 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 08:27:23,521 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:27:23,521 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:27:23,522 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:27:23,522 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 08:27:23,522 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 08:27:23,522 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:27:23,522 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:27:23,522 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 08:27:23,522 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:27:23,523 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 08:27:23,523 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:27:23,524 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 08:27:23,524 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:27:23,524 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:27:23,525 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:27:23,526 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1
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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
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 -> ead7e3a302f44662b07a5ea719f994de7b628f5972c8a4b6eb03d1df600985d2
[2024-12-02 08:27:23,730 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:27:23,736 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:27:23,739 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:27:23,740 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 08:27:23,740 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 08:27:23,741 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem07_label15.c
[2024-12-02 08:27:26,381 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/data/9e1c1677d/3759a2ebc1c84abdb65a207b55f25f3b/FLAG80f856c5a
[2024-12-02 08:27:27,611 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 08:27:27,611 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/sv-benchmarks/c/eca-rers2012/Problem07_label15.c
[2024-12-02 08:27:27,743 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/data/9e1c1677d/3759a2ebc1c84abdb65a207b55f25f3b/FLAG80f856c5a
[2024-12-02 08:27:27,960 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/data/9e1c1677d/3759a2ebc1c84abdb65a207b55f25f3b
[2024-12-02 08:27:27,962 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:27:27,963 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:27:27,965 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:27:27,965 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:27:27,968 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:27:27,968 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:27" (1/1) ...
[2024-12-02 08:27:27,969 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af806be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:27, skipping insertion in model container
[2024-12-02 08:27:27,969 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:27" (1/1) ...
[2024-12-02 08:27:28,441 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:27:37,300 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/sv-benchmarks/c/eca-rers2012/Problem07_label15.c[2770861,2770874]
[2024-12-02 08:27:37,359 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:27:37,368 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 08:27:42,964 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/sv-benchmarks/c/eca-rers2012/Problem07_label15.c[2770861,2770874]
[2024-12-02 08:27:42,971 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:27:43,649 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 08:27:43,650 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43 WrapperNode
[2024-12-02 08:27:43,650 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:27:43,651 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:27:43,651 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:27:43,651 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:27:43,656 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:43,959 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:45,814 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818
[2024-12-02 08:27:45,814 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:27:45,815 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:27:45,815 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:27:45,815 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:27:45,822 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:45,822 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:46,052 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:46,336 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 08:27:46,336 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:46,336 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,018 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,060 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,368 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,434 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,499 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,745 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:27:47,746 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:27:47,746 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:27:47,746 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:27:47,747 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (1/1) ...
[2024-12-02 08:27:47,753 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:27:47,765 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:27:47,777 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:27:47,779 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c6b03f-44e4-46d2-9415-247f8312d787/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:27:47,801 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:27:47,801 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:27:47,801 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:27:47,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:27:47,916 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 08:27:47,917 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:28:28,661 INFO  L?                        ?]: Removed 10224 outVars from TransFormulas that were not future-live.
[2024-12-02 08:28:28,661 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 08:28:28,780 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:28:28,780 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 08:28:28,780 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:28 BoogieIcfgContainer
[2024-12-02 08:28:28,780 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:28:28,783 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:28:28,783 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:28:28,787 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:28:28,787 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:27:27" (1/3) ...
[2024-12-02 08:28:28,788 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae9e675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:28:28, skipping insertion in model container
[2024-12-02 08:28:28,788 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:43" (2/3) ...
[2024-12-02 08:28:28,788 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae9e675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:28:28, skipping insertion in model container
[2024-12-02 08:28:28,788 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:28" (3/3) ...
[2024-12-02 08:28:28,789 INFO  L128   eAbstractionObserver]: Analyzing ICFG Problem07_label15.c
[2024-12-02 08:28:28,804 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:28:28,807 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem07_label15.c that has 1 procedures, 10257 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 08:28:29,018 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:28:29,029 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c9bfb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:28:29,029 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 08:28:29,058 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10257 states, 10255 states have (on average 1.9892735251097027) internal successors, (20400), 10256 states have internal predecessors, (20400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:29,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10111
[2024-12-02 08:28:29,545 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:28:29,548 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 08:28:29,548 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:29,553 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:29,557 INFO  L85        PathProgramCache]: Analyzing trace with hash 1371411482, now seen corresponding path program 1 times
[2024-12-02 08:28:29,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:29,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491676943]
[2024-12-02 08:28:29,564 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:29,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:31,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:52,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:52,903 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:52,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491676943]
[2024-12-02 08:28:52,904 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491676943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:52,904 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:52,906 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:52,907 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005831401]
[2024-12-02 08:28:52,907 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:52,918 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:52,918 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:52,938 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:52,939 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:52,959 INFO  L87              Difference]: Start difference. First operand  has 10257 states, 10255 states have (on average 1.9892735251097027) internal successors, (20400), 10256 states have internal predecessors, (20400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 3370.0) internal successors, (10110), 2 states have internal predecessors, (10110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:29:27,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:29:27,241 INFO  L93              Difference]: Finished difference Result 30705 states and 61134 transitions.
[2024-12-02 08:29:27,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 08:29:27,245 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3370.0) internal successors, (10110), 2 states have internal predecessors, (10110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10110
[2024-12-02 08:29:27,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:29:27,358 INFO  L225             Difference]: With dead ends: 30705
[2024-12-02 08:29:27,358 INFO  L226             Difference]: Without dead ends: 20384
[2024-12-02 08:29:27,374 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:29:27,377 INFO  L435           NwaCegarLoop]: 3749 mSDtfsCounter, 1303 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 29786 mSolverCounterSat, 14106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 43892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14106 IncrementalHoareTripleChecker+Valid, 29786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time
[2024-12-02 08:29:27,378 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 3802 Invalid, 43892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14106 Valid, 29786 Invalid, 0 Unknown, 0 Unchecked, 33.6s Time]
[2024-12-02 08:29:27,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20384 states.
[2024-12-02 08:29:27,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20384 to 20384.
[2024-12-02 08:29:28,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20384 states, 20383 states have (on average 1.80954717166266) internal successors, (36884), 20383 states have internal predecessors, (36884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:29:28,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20384 states to 20384 states and 36884 transitions.
[2024-12-02 08:29:28,068 INFO  L78                 Accepts]: Start accepts. Automaton has 20384 states and 36884 transitions. Word has length 10110
[2024-12-02 08:29:28,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:29:28,084 INFO  L471      AbstractCegarLoop]: Abstraction has 20384 states and 36884 transitions.
[2024-12-02 08:29:28,087 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3370.0) internal successors, (10110), 2 states have internal predecessors, (10110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:29:28,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 20384 states and 36884 transitions.
[2024-12-02 08:29:28,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10118
[2024-12-02 08:29:28,668 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:29:28,671 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:29:28,672 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:29:28,672 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:29:28,675 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:29:28,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 20674909, now seen corresponding path program 1 times
[2024-12-02 08:29:28,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:29:28,680 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372542496]
[2024-12-02 08:29:28,682 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:29:28,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:29:29,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:29:43,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:29:43,911 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:29:43,911 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372542496]
[2024-12-02 08:29:43,911 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372542496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:29:43,911 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:29:43,912 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:29:43,912 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103629052]
[2024-12-02 08:29:43,912 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:29:43,917 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:29:43,917 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:29:43,922 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:29:43,923 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:29:43,927 INFO  L87              Difference]: Start difference. First operand 20384 states and 36884 transitions. Second operand  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:18,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:30:18,746 INFO  L93              Difference]: Finished difference Result 61146 states and 110647 transitions.
[2024-12-02 08:30:18,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 08:30:18,748 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10117
[2024-12-02 08:30:18,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:30:18,829 INFO  L225             Difference]: With dead ends: 61146
[2024-12-02 08:30:18,829 INFO  L226             Difference]: Without dead ends: 40764
[2024-12-02 08:30:18,850 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:30:18,851 INFO  L435           NwaCegarLoop]: 6645 mSDtfsCounter, 12071 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 30229 mSolverCounterSat, 11203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12071 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 41432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11203 IncrementalHoareTripleChecker+Valid, 30229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time
[2024-12-02 08:30:18,851 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12071 Valid, 6694 Invalid, 41432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11203 Valid, 30229 Invalid, 0 Unknown, 0 Unchecked, 34.2s Time]
[2024-12-02 08:30:18,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40764 states.
[2024-12-02 08:30:19,482 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40764 to 40764.
[2024-12-02 08:30:19,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40764 states, 40763 states have (on average 1.6216421755022938) internal successors, (66103), 40763 states have internal predecessors, (66103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:19,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40764 states to 40764 states and 66103 transitions.
[2024-12-02 08:30:19,561 INFO  L78                 Accepts]: Start accepts. Automaton has 40764 states and 66103 transitions. Word has length 10117
[2024-12-02 08:30:19,562 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:30:19,562 INFO  L471      AbstractCegarLoop]: Abstraction has 40764 states and 66103 transitions.
[2024-12-02 08:30:19,564 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:30:19,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 40764 states and 66103 transitions.
[2024-12-02 08:30:20,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10124
[2024-12-02 08:30:20,342 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:30:20,346 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:30:20,347 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:30:20,347 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:30:20,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:30:20,357 INFO  L85        PathProgramCache]: Analyzing trace with hash 104304058, now seen corresponding path program 1 times
[2024-12-02 08:30:20,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:30:20,357 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053612239]
[2024-12-02 08:30:20,358 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:30:20,358 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:30:21,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:30:35,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 08:30:35,698 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:30:35,698 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053612239]
[2024-12-02 08:30:35,698 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053612239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:30:35,698 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:30:35,699 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:30:35,699 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400067671]
[2024-12-02 08:30:35,699 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:30:35,708 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:30:35,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:30:35,715 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:30:35,715 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:30:35,718 INFO  L87              Difference]: Start difference. First operand 40764 states and 66103 transitions. Second operand  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:31:09,225 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:31:09,225 INFO  L93              Difference]: Finished difference Result 122286 states and 198304 transitions.
[2024-12-02 08:31:09,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 08:31:09,227 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10123
[2024-12-02 08:31:09,227 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:31:09,378 INFO  L225             Difference]: With dead ends: 122286
[2024-12-02 08:31:09,378 INFO  L226             Difference]: Without dead ends: 81524
[2024-12-02 08:31:09,403 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:31:09,403 INFO  L435           NwaCegarLoop]: 4819 mSDtfsCounter, 13685 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28825 mSolverCounterSat, 11677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13685 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 40502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11677 IncrementalHoareTripleChecker+Valid, 28825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time
[2024-12-02 08:31:09,404 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13685 Valid, 4868 Invalid, 40502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11677 Valid, 28825 Invalid, 0 Unknown, 0 Unchecked, 32.8s Time]
[2024-12-02 08:31:09,452 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81524 states.
[2024-12-02 08:31:10,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81524 to 81524.
[2024-12-02 08:31:10,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81524 states, 81523 states have (on average 1.4754977123020496) internal successors, (120287), 81523 states have internal predecessors, (120287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:31:10,536 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81524 states to 81524 states and 120287 transitions.
[2024-12-02 08:31:10,536 INFO  L78                 Accepts]: Start accepts. Automaton has 81524 states and 120287 transitions. Word has length 10123
[2024-12-02 08:31:10,537 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:31:10,537 INFO  L471      AbstractCegarLoop]: Abstraction has 81524 states and 120287 transitions.
[2024-12-02 08:31:10,538 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3372.3333333333335) internal successors, (10117), 2 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:31:10,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 81524 states and 120287 transitions.
[2024-12-02 08:31:11,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10145
[2024-12-02 08:31:11,127 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:31:11,131 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 08:31:11,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 08:31:11,132 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:31:11,134 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:31:11,137 INFO  L85        PathProgramCache]: Analyzing trace with hash -588638249, now seen corresponding path program 1 times
[2024-12-02 08:31:11,137 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:31:11,137 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844171254]
[2024-12-02 08:31:11,138 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:31:11,138 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:31:12,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:31:27,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:31:27,123 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:31:27,123 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844171254]
[2024-12-02 08:31:27,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844171254] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:31:27,123 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:31:27,124 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:31:27,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341367226]
[2024-12-02 08:31:27,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:31:27,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:31:27,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:31:27,134 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:31:27,134 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:31:27,136 INFO  L87              Difference]: Start difference. First operand 81524 states and 120287 transitions. Second operand  has 3 states, 3 states have (on average 3381.3333333333335) internal successors, (10144), 2 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:01,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:32:01,556 INFO  L93              Difference]: Finished difference Result 244566 states and 360856 transitions.
[2024-12-02 08:32:01,556 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 08:32:01,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3381.3333333333335) internal successors, (10144), 2 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10144
[2024-12-02 08:32:01,558 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:32:01,691 INFO  L225             Difference]: With dead ends: 244566
[2024-12-02 08:32:01,691 INFO  L226             Difference]: Without dead ends: 163044
[2024-12-02 08:32:01,722 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:32:01,723 INFO  L435           NwaCegarLoop]: 7107 mSDtfsCounter, 12034 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 34783 mSolverCounterSat, 6982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12034 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 41765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6982 IncrementalHoareTripleChecker+Valid, 34783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time
[2024-12-02 08:32:01,724 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12034 Valid, 7157 Invalid, 41765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6982 Valid, 34783 Invalid, 0 Unknown, 0 Unchecked, 33.4s Time]
[2024-12-02 08:32:01,798 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163044 states.
[2024-12-02 08:32:02,867 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163044 to 163044.
[2024-12-02 08:32:03,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 163044 states, 163043 states have (on average 1.3602975902062646) internal successors, (221787), 163043 states have internal predecessors, (221787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:03,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163044 states to 163044 states and 221787 transitions.
[2024-12-02 08:32:03,259 INFO  L78                 Accepts]: Start accepts. Automaton has 163044 states and 221787 transitions. Word has length 10144
[2024-12-02 08:32:03,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:32:03,260 INFO  L471      AbstractCegarLoop]: Abstraction has 163044 states and 221787 transitions.
[2024-12-02 08:32:03,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3381.3333333333335) internal successors, (10144), 2 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:03,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 163044 states and 221787 transitions.
[2024-12-02 08:32:04,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10164
[2024-12-02 08:32:04,123 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 08:32:04,126 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 08:32:04,126 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 08:32:04,126 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:32:04,128 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:32:04,130 INFO  L85        PathProgramCache]: Analyzing trace with hash 477001916, now seen corresponding path program 1 times
[2024-12-02 08:32:04,130 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:32:04,130 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230050022]
[2024-12-02 08:32:04,131 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:32:04,131 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:32:05,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:32:18,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-12-02 08:32:18,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:32:18,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230050022]
[2024-12-02 08:32:18,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230050022] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:32:18,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:32:18,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:32:18,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820445458]
[2024-12-02 08:32:18,408 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:32:18,412 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:32:18,412 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:32:18,707 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:32:18,708 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:32:18,709 INFO  L87              Difference]: Start difference. First operand 163044 states and 221787 transitions. Second operand  has 3 states, 3 states have (on average 3376.6666666666665) internal successors, (10130), 2 states have internal predecessors, (10130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:54,063 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:32:54,063 INFO  L93              Difference]: Finished difference Result 489126 states and 665356 transitions.
[2024-12-02 08:32:54,064 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 08:32:54,065 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3376.6666666666665) internal successors, (10130), 2 states have internal predecessors, (10130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10163
[2024-12-02 08:32:54,065 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:32:54,420 INFO  L225             Difference]: With dead ends: 489126
[2024-12-02 08:32:54,420 INFO  L226             Difference]: Without dead ends: 326084
[2024-12-02 08:32:54,480 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:32:54,480 INFO  L435           NwaCegarLoop]: 8432 mSDtfsCounter, 11206 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 31384 mSolverCounterSat, 10501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11206 SdHoareTripleChecker+Valid, 8481 SdHoareTripleChecker+Invalid, 41885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10501 IncrementalHoareTripleChecker+Valid, 31384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time
[2024-12-02 08:32:54,480 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11206 Valid, 8481 Invalid, 41885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10501 Valid, 31384 Invalid, 0 Unknown, 0 Unchecked, 33.7s Time]
[2024-12-02 08:32:54,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 326084 states.
[2024-12-02 08:32:56,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 326084 to 326084.
[2024-12-02 08:32:57,080 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 326084 states, 326083 states have (on average 1.2761198835879208) internal successors, (416121), 326083 states have internal predecessors, (416121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:57,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 326084 states to 326084 states and 416121 transitions.
[2024-12-02 08:32:57,711 INFO  L78                 Accepts]: Start accepts. Automaton has 326084 states and 416121 transitions. Word has length 10163
[2024-12-02 08:32:57,712 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:32:57,712 INFO  L471      AbstractCegarLoop]: Abstraction has 326084 states and 416121 transitions.
[2024-12-02 08:32:57,713 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3376.6666666666665) internal successors, (10130), 2 states have internal predecessors, (10130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:32:57,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 326084 states and 416121 transitions.