./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label11.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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/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 3865ab852a9d72332f7357fb6365a1847ad0233a5217019e907317c702168a28
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:34:02,351 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:34:02,409 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 13:34:02,414 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:34:02,414 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:34:02,435 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:34:02,436 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:34:02,436 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:34:02,437 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:34:02,437 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 13:34:02,437 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:34:02,437 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:34:02,437 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:34:02,437 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 13:34:02,437 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 13:34:02,438 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 13:34:02,438 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 13:34:02,439 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:34:02,439 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:34:02,439 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:34:02,440 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:34:02,440 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:34:02,440 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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/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 -> 3865ab852a9d72332f7357fb6365a1847ad0233a5217019e907317c702168a28
[2024-12-02 13:34:02,691 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:34:02,703 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:34:02,706 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:34:02,707 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 13:34:02,707 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 13:34:02,708 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem07_label11.c
[2024-12-02 13:34:05,302 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/data/0506b0946/e4e25bf5e71d4c45a59dfbff92fa7317/FLAGe237cd806
[2024-12-02 13:34:06,629 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 13:34:06,630 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/sv-benchmarks/c/eca-rers2012/Problem07_label11.c
[2024-12-02 13:34:06,766 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/data/0506b0946/e4e25bf5e71d4c45a59dfbff92fa7317/FLAGe237cd806
[2024-12-02 13:34:06,778 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/data/0506b0946/e4e25bf5e71d4c45a59dfbff92fa7317
[2024-12-02 13:34:06,780 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:34:06,781 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:34:06,783 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:34:06,783 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:34:06,787 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:34:06,788 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:06" (1/1) ...
[2024-12-02 13:34:06,789 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7122be54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:06, skipping insertion in model container
[2024-12-02 13:34:06,789 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:06" (1/1) ...
[2024-12-02 13:34:07,408 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:34:16,841 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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/sv-benchmarks/c/eca-rers2012/Problem07_label11.c[2769159,2769172]
[2024-12-02 13:34:16,905 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:34:16,915 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 13:34:22,704 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_1acbdfe7-889d-4905-80ec-5dfb11cc0998/sv-benchmarks/c/eca-rers2012/Problem07_label11.c[2769159,2769172]
[2024-12-02 13:34:22,714 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:34:23,662 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 13:34:23,663 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23 WrapperNode
[2024-12-02 13:34:23,663 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:34:23,664 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:34:23,664 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:34:23,664 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:34:23,670 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:24,076 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:25,960 INFO  L138                Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818
[2024-12-02 13:34:25,960 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:34:25,961 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:34:25,961 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:34:25,961 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:34:25,970 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:25,970 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:26,298 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:26,527 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 13:34:26,527 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:26,527 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:27,188 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:27,236 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:27,399 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:27,509 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:27,592 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:28,084 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:34:28,085 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:34:28,085 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:34:28,085 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:34:28,086 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (1/1) ...
[2024-12-02 13:34:28,091 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:34:28,103 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:34:28,115 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:34:28,118 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1acbdfe7-889d-4905-80ec-5dfb11cc0998/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:34:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:34:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:34:28,141 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:34:28,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:34:28,262 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 13:34:28,263 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:35:06,360 INFO  L?                        ?]: Removed 10224 outVars from TransFormulas that were not future-live.
[2024-12-02 13:35:06,361 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 13:35:06,479 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:35:06,479 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 13:35:06,479 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:06 BoogieIcfgContainer
[2024-12-02 13:35:06,480 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:35:06,482 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:35:06,482 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:35:06,486 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:35:06,486 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:34:06" (1/3) ...
[2024-12-02 13:35:06,487 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152b32bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:06, skipping insertion in model container
[2024-12-02 13:35:06,487 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:23" (2/3) ...
[2024-12-02 13:35:06,487 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152b32bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:06, skipping insertion in model container
[2024-12-02 13:35:06,487 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:06" (3/3) ...
[2024-12-02 13:35:06,488 INFO  L128   eAbstractionObserver]: Analyzing ICFG Problem07_label11.c
[2024-12-02 13:35:06,503 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:35:06,506 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem07_label11.c that has 1 procedures, 10257 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 13:35:06,718 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:35:06,728 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;@36a195af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:35:06,729 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 13:35:06,758 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 13:35:07,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10101
[2024-12-02 13:35:07,676 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:35:07,680 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 13:35:07,680 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:35:07,686 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:35:07,691 INFO  L85        PathProgramCache]: Analyzing trace with hash -681257070, now seen corresponding path program 1 times
[2024-12-02 13:35:07,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:35:07,697 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795876196]
[2024-12-02 13:35:07,699 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:35:07,700 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:35:11,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:35:31,826 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 13:35:31,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:35:31,827 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795876196]
[2024-12-02 13:35:31,827 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795876196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:35:31,827 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:35:31,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:35:31,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660734985]
[2024-12-02 13:35:31,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:35:31,846 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:35:31,847 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:35:31,876 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:35:31,876 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:35:31,902 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 3366.6666666666665) internal successors, (10100), 2 states have internal predecessors, (10100), 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 13:36:06,723 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:36:06,723 INFO  L93              Difference]: Finished difference Result 30705 states and 61134 transitions.
[2024-12-02 13:36:06,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:36:06,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3366.6666666666665) internal successors, (10100), 2 states have internal predecessors, (10100), 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 10100
[2024-12-02 13:36:06,739 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:36:06,824 INFO  L225             Difference]: With dead ends: 30705
[2024-12-02 13:36:06,824 INFO  L226             Difference]: Without dead ends: 20384
[2024-12-02 13:36:06,837 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 13:36:06,840 INFO  L435           NwaCegarLoop]: 4082 mSDtfsCounter, 488 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31005 mSolverCounterSat, 12527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 4135 SdHoareTripleChecker+Invalid, 43532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12527 IncrementalHoareTripleChecker+Valid, 31005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:36:06,841 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 4135 Invalid, 43532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12527 Valid, 31005 Invalid, 0 Unknown, 0 Unchecked, 34.2s Time]
[2024-12-02 13:36:06,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20384 states.
[2024-12-02 13:36:07,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20384 to 20384.
[2024-12-02 13:36:07,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20384 states, 20383 states have (on average 1.7945346612373057) internal successors, (36578), 20383 states have internal predecessors, (36578), 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 13:36:07,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20384 states to 20384 states and 36578 transitions.
[2024-12-02 13:36:07,409 INFO  L78                 Accepts]: Start accepts. Automaton has 20384 states and 36578 transitions. Word has length 10100
[2024-12-02 13:36:07,425 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:36:07,425 INFO  L471      AbstractCegarLoop]: Abstraction has 20384 states and 36578 transitions.
[2024-12-02 13:36:07,427 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3366.6666666666665) internal successors, (10100), 2 states have internal predecessors, (10100), 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 13:36:07,428 INFO  L276                IsEmpty]: Start isEmpty. Operand 20384 states and 36578 transitions.
[2024-12-02 13:36:08,220 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10105
[2024-12-02 13:36:08,220 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:36:08,223 INFO  L218           NwaCegarLoop]: trace histogram [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, 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]
[2024-12-02 13:36:08,223 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:36:08,223 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:36:08,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:36:08,229 INFO  L85        PathProgramCache]: Analyzing trace with hash 1751034298, now seen corresponding path program 1 times
[2024-12-02 13:36:08,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:36:08,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143596648]
[2024-12-02 13:36:08,231 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:36:08,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:36:09,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:36:24,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:36:24,414 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:36:24,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143596648]
[2024-12-02 13:36:24,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143596648] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:36:24,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:36:24,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:36:24,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761493791]
[2024-12-02 13:36:24,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:36:24,421 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:36:24,421 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:36:24,426 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:36:24,426 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:36:24,429 INFO  L87              Difference]: Start difference. First operand 20384 states and 36578 transitions. Second operand  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 13:36:59,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:36:59,247 INFO  L93              Difference]: Finished difference Result 61146 states and 109729 transitions.
[2024-12-02 13:36:59,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:36:59,249 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 10104
[2024-12-02 13:36:59,249 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:36:59,339 INFO  L225             Difference]: With dead ends: 61146
[2024-12-02 13:36:59,339 INFO  L226             Difference]: Without dead ends: 40764
[2024-12-02 13:36:59,360 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 13:36:59,360 INFO  L435           NwaCegarLoop]: 4828 mSDtfsCounter, 13865 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28700 mSolverCounterSat, 11758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13865 SdHoareTripleChecker+Valid, 4877 SdHoareTripleChecker+Invalid, 40458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11758 IncrementalHoareTripleChecker+Valid, 28700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:36:59,361 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13865 Valid, 4877 Invalid, 40458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11758 Valid, 28700 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time]
[2024-12-02 13:36:59,401 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40764 states.
[2024-12-02 13:36:59,991 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40764 to 40764.
[2024-12-02 13:37:00,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40764 states, 40763 states have (on average 1.6070701371341658) internal successors, (65509), 40763 states have internal predecessors, (65509), 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 13:37:00,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40764 states to 40764 states and 65509 transitions.
[2024-12-02 13:37:00,215 INFO  L78                 Accepts]: Start accepts. Automaton has 40764 states and 65509 transitions. Word has length 10104
[2024-12-02 13:37:00,217 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:37:00,217 INFO  L471      AbstractCegarLoop]: Abstraction has 40764 states and 65509 transitions.
[2024-12-02 13:37:00,219 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3368.0) internal successors, (10104), 2 states have internal predecessors, (10104), 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 13:37:00,219 INFO  L276                IsEmpty]: Start isEmpty. Operand 40764 states and 65509 transitions.
[2024-12-02 13:37:00,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10107
[2024-12-02 13:37:00,828 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:37:00,831 INFO  L218           NwaCegarLoop]: trace histogram [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, 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]
[2024-12-02 13:37:00,831 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:37:00,832 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:37:00,834 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:37:00,837 INFO  L85        PathProgramCache]: Analyzing trace with hash -1132680811, now seen corresponding path program 1 times
[2024-12-02 13:37:00,837 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:37:00,837 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594653654]
[2024-12-02 13:37:00,838 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:37:00,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:37:01,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:37:15,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:37:15,246 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:37:15,246 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594653654]
[2024-12-02 13:37:15,246 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594653654] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:37:15,246 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:37:15,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:37:15,247 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923078767]
[2024-12-02 13:37:15,247 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:37:15,251 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:37:15,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:37:15,255 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:37:15,255 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:37:15,257 INFO  L87              Difference]: Start difference. First operand 40764 states and 65509 transitions. Second operand  has 3 states, 3 states have (on average 3368.6666666666665) internal successors, (10106), 2 states have internal predecessors, (10106), 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 13:37:48,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:37:48,973 INFO  L93              Difference]: Finished difference Result 122286 states and 196522 transitions.
[2024-12-02 13:37:48,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:37:48,975 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3368.6666666666665) internal successors, (10106), 2 states have internal predecessors, (10106), 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 10106
[2024-12-02 13:37:48,975 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:37:49,072 INFO  L225             Difference]: With dead ends: 122286
[2024-12-02 13:37:49,072 INFO  L226             Difference]: Without dead ends: 81524
[2024-12-02 13:37:49,091 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 13:37:49,091 INFO  L435           NwaCegarLoop]: 4820 mSDtfsCounter, 13685 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28825 mSolverCounterSat, 11677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13685 SdHoareTripleChecker+Valid, 4869 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 13:37:49,092 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13685 Valid, 4869 Invalid, 40502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11677 Valid, 28825 Invalid, 0 Unknown, 0 Unchecked, 32.8s Time]
[2024-12-02 13:37:49,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81524 states.
[2024-12-02 13:37:49,959 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81524 to 81524.
[2024-12-02 13:37:50,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81524 states, 81523 states have (on average 1.4645314819130797) internal successors, (119393), 81523 states have internal predecessors, (119393), 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 13:37:50,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81524 states to 81524 states and 119393 transitions.
[2024-12-02 13:37:50,097 INFO  L78                 Accepts]: Start accepts. Automaton has 81524 states and 119393 transitions. Word has length 10106
[2024-12-02 13:37:50,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:37:50,098 INFO  L471      AbstractCegarLoop]: Abstraction has 81524 states and 119393 transitions.
[2024-12-02 13:37:50,099 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3368.6666666666665) internal successors, (10106), 2 states have internal predecessors, (10106), 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 13:37:50,099 INFO  L276                IsEmpty]: Start isEmpty. Operand 81524 states and 119393 transitions.
[2024-12-02 13:37:50,811 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10118
[2024-12-02 13:37:50,811 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:37:50,814 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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 13:37:50,815 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:37:50,815 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:37:50,816 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:37:50,819 INFO  L85        PathProgramCache]: Analyzing trace with hash 2056215118, now seen corresponding path program 1 times
[2024-12-02 13:37:50,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:37:50,819 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678522290]
[2024-12-02 13:37:50,820 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:37:50,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:37:51,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:38:06,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 13:38:06,338 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:38:06,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678522290]
[2024-12-02 13:38:06,339 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678522290] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:38:06,339 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:38:06,339 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:38:06,339 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276554801]
[2024-12-02 13:38:06,339 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:38:06,344 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:38:06,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:38:06,348 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:38:06,348 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:38:06,350 INFO  L87              Difference]: Start difference. First operand 81524 states and 119393 transitions. Second operand  has 3 states, 3 states have (on average 3370.6666666666665) internal successors, (10112), 2 states have internal predecessors, (10112), 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 13:38:41,738 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:38:41,738 INFO  L93              Difference]: Finished difference Result 244566 states and 358174 transitions.
[2024-12-02 13:38:41,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:38:41,740 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3370.6666666666665) internal successors, (10112), 2 states have internal predecessors, (10112), 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 13:38:41,740 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:38:41,870 INFO  L225             Difference]: With dead ends: 244566
[2024-12-02 13:38:41,871 INFO  L226             Difference]: Without dead ends: 163044
[2024-12-02 13:38:41,907 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 13:38:41,908 INFO  L435           NwaCegarLoop]: 6091 mSDtfsCounter, 13473 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27528 mSolverCounterSat, 13030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13473 SdHoareTripleChecker+Valid, 6140 SdHoareTripleChecker+Invalid, 40558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13030 IncrementalHoareTripleChecker+Valid, 27528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:38:41,908 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13473 Valid, 6140 Invalid, 40558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13030 Valid, 27528 Invalid, 0 Unknown, 0 Unchecked, 34.2s Time]
[2024-12-02 13:38:41,997 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163044 states.
[2024-12-02 13:38:43,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163044 to 163044.
[2024-12-02 13:38:43,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 163044 states, 163043 states have (on average 1.3309924375778168) internal successors, (217009), 163043 states have internal predecessors, (217009), 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 13:38:43,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163044 states to 163044 states and 217009 transitions.
[2024-12-02 13:38:43,319 INFO  L78                 Accepts]: Start accepts. Automaton has 163044 states and 217009 transitions. Word has length 10117
[2024-12-02 13:38:43,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:38:43,320 INFO  L471      AbstractCegarLoop]: Abstraction has 163044 states and 217009 transitions.
[2024-12-02 13:38:43,321 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3370.6666666666665) internal successors, (10112), 2 states have internal predecessors, (10112), 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 13:38:43,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 163044 states and 217009 transitions.
[2024-12-02 13:38:44,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10149
[2024-12-02 13:38:44,284 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:38:44,287 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, 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, 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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]
[2024-12-02 13:38:44,287 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 13:38:44,288 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:38:44,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:38:44,291 INFO  L85        PathProgramCache]: Analyzing trace with hash 318118540, now seen corresponding path program 1 times
[2024-12-02 13:38:44,291 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:38:44,291 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822723212]
[2024-12-02 13:38:44,292 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:38:44,293 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:38:45,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:38:59,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:38:59,537 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:38:59,537 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822723212]
[2024-12-02 13:38:59,537 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822723212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:38:59,537 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:38:59,538 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:38:59,538 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382168166]
[2024-12-02 13:38:59,539 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:38:59,545 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:38:59,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:38:59,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:38:59,552 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:38:59,554 INFO  L87              Difference]: Start difference. First operand 163044 states and 217009 transitions. Second operand  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 2 states have internal predecessors, (10148), 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 13:39:35,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:39:35,568 INFO  L93              Difference]: Finished difference Result 489126 states and 651022 transitions.
[2024-12-02 13:39:35,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:39:35,569 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 2 states have internal predecessors, (10148), 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 10148
[2024-12-02 13:39:35,569 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:39:35,930 INFO  L225             Difference]: With dead ends: 489126
[2024-12-02 13:39:35,930 INFO  L226             Difference]: Without dead ends: 326084
[2024-12-02 13:39:35,981 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 13:39:35,981 INFO  L435           NwaCegarLoop]: 7312 mSDtfsCounter, 11769 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 30511 mSolverCounterSat, 11081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11769 SdHoareTripleChecker+Valid, 7361 SdHoareTripleChecker+Invalid, 41592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11081 IncrementalHoareTripleChecker+Valid, 30511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time
[2024-12-02 13:39:35,982 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11769 Valid, 7361 Invalid, 41592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11081 Valid, 30511 Invalid, 0 Unknown, 0 Unchecked, 34.2s Time]
[2024-12-02 13:39:36,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 326084 states.
[2024-12-02 13:39:38,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 326084 to 326084.
[2024-12-02 13:39:38,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 326084 states, 326083 states have (on average 1.253935347748886) internal successors, (408887), 326083 states have internal predecessors, (408887), 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 13:39:39,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 326084 states to 326084 states and 408887 transitions.
[2024-12-02 13:39:39,141 INFO  L78                 Accepts]: Start accepts. Automaton has 326084 states and 408887 transitions. Word has length 10148
[2024-12-02 13:39:39,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:39:39,142 INFO  L471      AbstractCegarLoop]: Abstraction has 326084 states and 408887 transitions.
[2024-12-02 13:39:39,143 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3382.6666666666665) internal successors, (10148), 2 states have internal predecessors, (10148), 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 13:39:39,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 326084 states and 408887 transitions.
[2024-12-02 13:39:40,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10205
[2024-12-02 13:39:40,058 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:39:40,061 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 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, 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, 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, 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, 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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]
[2024-12-02 13:39:40,061 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 13:39:40,061 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:39:40,063 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:39:40,065 INFO  L85        PathProgramCache]: Analyzing trace with hash -1011091214, now seen corresponding path program 1 times
[2024-12-02 13:39:40,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:39:40,065 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56075379]
[2024-12-02 13:39:40,066 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:39:40,066 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:39:41,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:39:56,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 13:39:56,609 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:39:56,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56075379]
[2024-12-02 13:39:56,609 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56075379] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:39:56,609 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:39:56,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:39:56,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731702291]
[2024-12-02 13:39:56,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:39:56,616 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:39:56,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:39:56,621 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:39:56,621 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:39:56,623 INFO  L87              Difference]: Start difference. First operand 326084 states and 408887 transitions. Second operand  has 3 states, 3 states have (on average 3400.3333333333335) internal successors, (10201), 2 states have internal predecessors, (10201), 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 13:40:33,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:40:33,745 INFO  L93              Difference]: Finished difference Result 978246 states and 1226656 transitions.
[2024-12-02 13:40:33,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:40:33,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3400.3333333333335) internal successors, (10201), 2 states have internal predecessors, (10201), 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 10204
[2024-12-02 13:40:33,747 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:40:34,357 INFO  L225             Difference]: With dead ends: 978246
[2024-12-02 13:40:34,357 INFO  L226             Difference]: Without dead ends: 652164
[2024-12-02 13:40:34,465 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 13:40:34,466 INFO  L435           NwaCegarLoop]: 5914 mSDtfsCounter, 12559 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29825 mSolverCounterSat, 11034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12559 SdHoareTripleChecker+Valid, 5963 SdHoareTripleChecker+Invalid, 40859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11034 IncrementalHoareTripleChecker+Valid, 29825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:40:34,466 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12559 Valid, 5963 Invalid, 40859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11034 Valid, 29825 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time]
[2024-12-02 13:40:34,805 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 652164 states.
[2024-12-02 13:40:39,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 652164 to 652164.
[2024-12-02 13:40:39,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 652164 states, 652163 states have (on average 1.1903450517738663) internal successors, (776299), 652163 states have internal predecessors, (776299), 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 13:40:41,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 652164 states to 652164 states and 776299 transitions.
[2024-12-02 13:40:41,193 INFO  L78                 Accepts]: Start accepts. Automaton has 652164 states and 776299 transitions. Word has length 10204
[2024-12-02 13:40:41,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:40:41,194 INFO  L471      AbstractCegarLoop]: Abstraction has 652164 states and 776299 transitions.
[2024-12-02 13:40:41,195 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3400.3333333333335) internal successors, (10201), 2 states have internal predecessors, (10201), 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 13:40:41,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 652164 states and 776299 transitions.
[2024-12-02 13:40:42,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10336
[2024-12-02 13:40:42,863 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:40:42,865 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, 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, 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, 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, 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, 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, 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, 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, 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[2024-12-02 13:40:42,866 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 13:40:42,866 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:40:42,867 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:40:42,868 INFO  L85        PathProgramCache]: Analyzing trace with hash 1488581243, now seen corresponding path program 1 times
[2024-12-02 13:40:42,868 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:40:42,868 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55066351]
[2024-12-02 13:40:42,869 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:40:42,869 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:40:44,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:41:05,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 233 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:41:05,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:41:05,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55066351]
[2024-12-02 13:41:05,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55066351] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:41:05,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:41:05,315 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:41:05,315 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163945773]
[2024-12-02 13:41:05,315 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:41:05,320 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:41:05,320 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:41:05,324 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:41:05,324 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:41:05,326 INFO  L87              Difference]: Start difference. First operand 652164 states and 776299 transitions. Second operand  has 3 states, 3 states have (on average 3445.0) internal successors, (10335), 2 states have internal predecessors, (10335), 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 13:41:40,271 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:41:40,271 INFO  L93              Difference]: Finished difference Result 1304326 states and 1552596 transitions.
[2024-12-02 13:41:40,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 13:41:40,272 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3445.0) internal successors, (10335), 2 states have internal predecessors, (10335), 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 10335
[2024-12-02 13:41:40,273 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:41:40,951 INFO  L225             Difference]: With dead ends: 1304326
[2024-12-02 13:41:40,951 INFO  L226             Difference]: Without dead ends: 652164
[2024-12-02 13:41:41,145 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 13:41:41,146 INFO  L435           NwaCegarLoop]: 9997 mSDtfsCounter, 10037 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29586 mSolverCounterSat, 4825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10037 SdHoareTripleChecker+Valid, 10046 SdHoareTripleChecker+Invalid, 34411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4825 IncrementalHoareTripleChecker+Valid, 29586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:41:41,146 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10037 Valid, 10046 Invalid, 34411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4825 Valid, 29586 Invalid, 0 Unknown, 0 Unchecked, 31.1s Time]
[2024-12-02 13:41:41,633 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 652164 states.
[2024-12-02 13:41:46,774 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 652164 to 652164.
[2024-12-02 13:41:47,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 652164 states, 652163 states have (on average 1.1896090394579268) internal successors, (775819), 652163 states have internal predecessors, (775819), 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)