./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c --full-output --architecture 64bit


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


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_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/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_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/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 64bit --witnessprinter.graph.data.programhash 5e93d00afe358b24de1160ca543af2c8baa6cb6c5d751d9141cb118798fe6c19
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:31:43,502 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:31:43,555 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 06:31:43,559 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:31:43,559 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:31:43,578 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:31:43,579 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:31:43,579 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:31:43,579 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:31:43,579 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 06:31:43,580 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:31:43,580 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 06:31:43,580 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 06:31:43,580 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 06:31:43,581 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 06:31:43,581 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:31:43,581 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:31:43,582 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:31:43,582 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:31:43,583 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_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e93d00afe358b24de1160ca543af2c8baa6cb6c5d751d9141cb118798fe6c19
[2024-12-02 06:31:43,809 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:31:43,818 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:31:43,820 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:31:43,821 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 06:31:43,821 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 06:31:43,822 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c
[2024-12-02 06:31:46,475 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/data/6e6763b64/ffac4cb13a3a443f9132700370fec8d3/FLAG973f38826
[2024-12-02 06:31:46,867 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 06:31:46,867 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c
[2024-12-02 06:31:46,898 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/data/6e6763b64/ffac4cb13a3a443f9132700370fec8d3/FLAG973f38826
[2024-12-02 06:31:47,064 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/data/6e6763b64/ffac4cb13a3a443f9132700370fec8d3
[2024-12-02 06:31:47,065 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:31:47,066 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:31:47,067 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:31:47,067 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:31:47,070 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:31:47,070 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:47" (1/1) ...
[2024-12-02 06:31:47,071 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651b2616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:47, skipping insertion in model container
[2024-12-02 06:31:47,071 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:47" (1/1) ...
[2024-12-02 06:31:47,144 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:31:47,324 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_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c[1174,1187]
[2024-12-02 06:31:47,845 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:31:47,855 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 06:31:47,866 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_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-func-interl.c[1174,1187]
[2024-12-02 06:31:48,246 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:31:48,259 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 06:31:48,260 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48 WrapperNode
[2024-12-02 06:31:48,260 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:31:48,261 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:31:48,261 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:31:48,261 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:31:48,267 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:48,384 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:49,645 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18223
[2024-12-02 06:31:49,645 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:31:49,646 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:31:49,646 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:31:49,646 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:31:49,654 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:49,654 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:49,958 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,194 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 06:31:50,195 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,195 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,577 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,605 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,681 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,750 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:50,810 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:51,032 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:31:51,033 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:31:51,033 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:31:51,033 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:31:51,034 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (1/1) ...
[2024-12-02 06:31:51,038 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:31:51,050 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:31:51,062 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:31:51,064 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c88c3ce-b8c8-45c2-a8fe-07f54d12b1f6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:31:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:31:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:31:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:31:51,087 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:31:51,851 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 06:31:51,853 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:32:25,987 INFO  L?                        ?]: Removed 9827 outVars from TransFormulas that were not future-live.
[2024-12-02 06:32:25,988 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 06:32:26,058 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:32:26,058 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 06:32:26,059 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:26 BoogieIcfgContainer
[2024-12-02 06:32:26,059 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:32:26,060 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:32:26,060 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:32:26,064 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:32:26,064 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:31:47" (1/3) ...
[2024-12-02 06:32:26,065 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b71e25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:26, skipping insertion in model container
[2024-12-02 06:32:26,065 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:48" (2/3) ...
[2024-12-02 06:32:26,065 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b71e25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:26, skipping insertion in model container
[2024-12-02 06:32:26,065 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:26" (3/3) ...
[2024-12-02 06:32:26,066 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.2.prop3-func-interl.c
[2024-12-02 06:32:26,077 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:32:26,078 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.2.prop3-func-interl.c that has 1 procedures, 6631 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 06:32:26,193 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:32:26,204 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;@4f9e518c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:32:26,204 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:32:26,221 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6631 states, 6629 states have (on average 1.5036958817317845) internal successors, (9968), 6630 states have internal predecessors, (9968), 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 06:32:26,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 274
[2024-12-02 06:32:26,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:26,303 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]
[2024-12-02 06:32:26,304 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:26,308 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:26,309 INFO  L85        PathProgramCache]: Analyzing trace with hash 387352572, now seen corresponding path program 1 times
[2024-12-02 06:32:26,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:26,314 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852333949]
[2024-12-02 06:32:26,315 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:26,315 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:26,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:27,573 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 06:32:27,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:27,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852333949]
[2024-12-02 06:32:27,574 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852333949] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:27,574 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:27,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:32:27,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673426151]
[2024-12-02 06:32:27,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:27,580 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:32:27,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:27,595 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:32:27,596 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:32:27,604 INFO  L87              Difference]: Start difference. First operand  has 6631 states, 6629 states have (on average 1.5036958817317845) internal successors, (9968), 6630 states have internal predecessors, (9968), 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 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 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 06:32:33,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:33,599 INFO  L93              Difference]: Finished difference Result 19463 states and 29266 transitions.
[2024-12-02 06:32:33,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:32:33,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 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 273
[2024-12-02 06:32:33,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:33,656 INFO  L225             Difference]: With dead ends: 19463
[2024-12-02 06:32:33,657 INFO  L226             Difference]: Without dead ends: 13038
[2024-12-02 06:32:33,670 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:32:33,672 INFO  L435           NwaCegarLoop]: 7898 mSDtfsCounter, 9681 mSDsluCounter, 23517 mSDsCounter, 0 mSdLazyCounter, 8134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9681 SdHoareTripleChecker+Valid, 31415 SdHoareTripleChecker+Invalid, 8135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:33,673 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9681 Valid, 31415 Invalid, 8135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8134 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-12-02 06:32:33,705 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13038 states.
[2024-12-02 06:32:33,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13038 to 6951.
[2024-12-02 06:32:33,902 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6951 states, 6950 states have (on average 1.5031654676258992) internal successors, (10447), 6950 states have internal predecessors, (10447), 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 06:32:33,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6951 states to 6951 states and 10447 transitions.
[2024-12-02 06:32:33,927 INFO  L78                 Accepts]: Start accepts. Automaton has 6951 states and 10447 transitions. Word has length 273
[2024-12-02 06:32:33,928 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:33,928 INFO  L471      AbstractCegarLoop]: Abstraction has 6951 states and 10447 transitions.
[2024-12-02 06:32:33,928 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 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 06:32:33,928 INFO  L276                IsEmpty]: Start isEmpty. Operand 6951 states and 10447 transitions.
[2024-12-02 06:32:33,932 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2024-12-02 06:32:33,932 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:33,933 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]
[2024-12-02 06:32:33,933 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:32:33,933 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:33,934 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:33,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 156752185, now seen corresponding path program 1 times
[2024-12-02 06:32:33,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:33,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621699478]
[2024-12-02 06:32:33,934 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:33,934 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:34,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:34,757 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 06:32:34,758 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:34,758 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621699478]
[2024-12-02 06:32:34,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621699478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:34,758 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:34,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:32:34,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579274038]
[2024-12-02 06:32:34,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:34,760 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:32:34,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:34,760 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:32:34,761 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:32:34,761 INFO  L87              Difference]: Start difference. First operand 6951 states and 10447 transitions. Second operand  has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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 06:32:34,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:34,883 INFO  L93              Difference]: Finished difference Result 6955 states and 10451 transitions.
[2024-12-02 06:32:34,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:32:34,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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 275
[2024-12-02 06:32:34,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:34,903 INFO  L225             Difference]: With dead ends: 6955
[2024-12-02 06:32:34,903 INFO  L226             Difference]: Without dead ends: 6953
[2024-12-02 06:32:34,906 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:32:34,907 INFO  L435           NwaCegarLoop]: 9962 mSDtfsCounter, 0 mSDsluCounter, 19918 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29880 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:34,907 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29880 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:32:34,917 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6953 states.
[2024-12-02 06:32:35,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6953.
[2024-12-02 06:32:35,020 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6953 states, 6952 states have (on average 1.5030207134637514) internal successors, (10449), 6952 states have internal predecessors, (10449), 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 06:32:35,040 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 10449 transitions.
[2024-12-02 06:32:35,040 INFO  L78                 Accepts]: Start accepts. Automaton has 6953 states and 10449 transitions. Word has length 275
[2024-12-02 06:32:35,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:35,041 INFO  L471      AbstractCegarLoop]: Abstraction has 6953 states and 10449 transitions.
[2024-12-02 06:32:35,042 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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 06:32:35,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 6953 states and 10449 transitions.
[2024-12-02 06:32:35,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 277
[2024-12-02 06:32:35,046 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:35,046 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]
[2024-12-02 06:32:35,046 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:32:35,046 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:35,047 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:35,047 INFO  L85        PathProgramCache]: Analyzing trace with hash 566047334, now seen corresponding path program 1 times
[2024-12-02 06:32:35,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:35,047 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2645815]
[2024-12-02 06:32:35,047 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:35,047 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:35,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:35,566 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 06:32:35,566 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:35,567 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2645815]
[2024-12-02 06:32:35,567 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2645815] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:35,567 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:35,567 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:32:35,567 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039353320]
[2024-12-02 06:32:35,567 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:35,567 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:32:35,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:35,568 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:32:35,568 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:32:35,568 INFO  L87              Difference]: Start difference. First operand 6953 states and 10449 transitions. Second operand  has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 06:32:35,710 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:35,710 INFO  L93              Difference]: Finished difference Result 13379 states and 20110 transitions.
[2024-12-02 06:32:35,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:32:35,711 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 276
[2024-12-02 06:32:35,712 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:35,731 INFO  L225             Difference]: With dead ends: 13379
[2024-12-02 06:32:35,732 INFO  L226             Difference]: Without dead ends: 6955
[2024-12-02 06:32:35,738 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:32:35,739 INFO  L435           NwaCegarLoop]: 9962 mSDtfsCounter, 0 mSDsluCounter, 19914 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29876 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:35,739 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29876 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:32:35,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6955 states.
[2024-12-02 06:32:35,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6955 to 6955.
[2024-12-02 06:32:35,844 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6955 states, 6954 states have (on average 1.50287604256543) internal successors, (10451), 6954 states have internal predecessors, (10451), 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 06:32:35,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 10451 transitions.
[2024-12-02 06:32:35,856 INFO  L78                 Accepts]: Start accepts. Automaton has 6955 states and 10451 transitions. Word has length 276
[2024-12-02 06:32:35,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:35,856 INFO  L471      AbstractCegarLoop]: Abstraction has 6955 states and 10451 transitions.
[2024-12-02 06:32:35,856 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 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 06:32:35,856 INFO  L276                IsEmpty]: Start isEmpty. Operand 6955 states and 10451 transitions.
[2024-12-02 06:32:35,860 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 278
[2024-12-02 06:32:35,860 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:35,860 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]
[2024-12-02 06:32:35,861 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:32:35,861 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:35,861 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:35,861 INFO  L85        PathProgramCache]: Analyzing trace with hash -730366030, now seen corresponding path program 1 times
[2024-12-02 06:32:35,861 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:35,862 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524456394]
[2024-12-02 06:32:35,862 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:35,862 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:35,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:36,976 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 06:32:36,976 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:36,977 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524456394]
[2024-12-02 06:32:36,977 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524456394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:36,977 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:36,977 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 06:32:36,977 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537580015]
[2024-12-02 06:32:36,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:36,977 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:32:36,978 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:36,978 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:32:36,978 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:32:36,979 INFO  L87              Difference]: Start difference. First operand 6955 states and 10451 transitions. Second operand  has 7 states, 7 states have (on average 39.57142857142857) internal successors, (277), 7 states have internal predecessors, (277), 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 06:32:37,322 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:37,322 INFO  L93              Difference]: Finished difference Result 13975 states and 21014 transitions.
[2024-12-02 06:32:37,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 06:32:37,323 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 39.57142857142857) internal successors, (277), 7 states have internal predecessors, (277), 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 277
[2024-12-02 06:32:37,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:37,338 INFO  L225             Difference]: With dead ends: 13975
[2024-12-02 06:32:37,338 INFO  L226             Difference]: Without dead ends: 7549
[2024-12-02 06:32:37,345 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:32:37,345 INFO  L435           NwaCegarLoop]: 9958 mSDtfsCounter, 1430 mSDsluCounter, 49447 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 59405 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:37,346 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 59405 Invalid, 74 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:32:37,356 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7549 states.
[2024-12-02 06:32:37,440 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7549 to 6958.
[2024-12-02 06:32:37,449 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6958 states, 6957 states have (on average 1.5026591921805377) internal successors, (10454), 6957 states have internal predecessors, (10454), 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 06:32:37,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6958 states to 6958 states and 10454 transitions.
[2024-12-02 06:32:37,459 INFO  L78                 Accepts]: Start accepts. Automaton has 6958 states and 10454 transitions. Word has length 277
[2024-12-02 06:32:37,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:37,460 INFO  L471      AbstractCegarLoop]: Abstraction has 6958 states and 10454 transitions.
[2024-12-02 06:32:37,460 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 39.57142857142857) internal successors, (277), 7 states have internal predecessors, (277), 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 06:32:37,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 6958 states and 10454 transitions.
[2024-12-02 06:32:37,638 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3391
[2024-12-02 06:32:37,638 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:37,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:37,640 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:32:37,640 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:37,641 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:37,643 INFO  L85        PathProgramCache]: Analyzing trace with hash -502300904, now seen corresponding path program 1 times
[2024-12-02 06:32:37,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:37,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167805029]
[2024-12-02 06:32:37,644 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:37,644 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:42,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:47,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:32:47,235 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:47,235 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167805029]
[2024-12-02 06:32:47,235 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167805029] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:47,236 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:47,236 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:32:47,236 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797332147]
[2024-12-02 06:32:47,236 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:47,239 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:32:47,239 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:47,242 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:32:47,242 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:32:47,243 INFO  L87              Difference]: Start difference. First operand 6958 states and 10454 transitions. Second operand  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 06:32:47,320 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:47,320 INFO  L93              Difference]: Finished difference Result 13385 states and 20116 transitions.
[2024-12-02 06:32:47,320 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 06:32:47,322 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 3390
[2024-12-02 06:32:47,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:47,335 INFO  L225             Difference]: With dead ends: 13385
[2024-12-02 06:32:47,335 INFO  L226             Difference]: Without dead ends: 6959
[2024-12-02 06:32:47,342 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:32:47,342 INFO  L435           NwaCegarLoop]: 9963 mSDtfsCounter, 0 mSDsluCounter, 9957 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19920 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:47,343 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19920 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:32:47,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6959 states.
[2024-12-02 06:32:47,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 6959.
[2024-12-02 06:32:47,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6959 states, 6958 states have (on average 1.5025869502730669) internal successors, (10455), 6958 states have internal predecessors, (10455), 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 06:32:47,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 10455 transitions.
[2024-12-02 06:32:47,441 INFO  L78                 Accepts]: Start accepts. Automaton has 6959 states and 10455 transitions. Word has length 3390
[2024-12-02 06:32:47,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:47,442 INFO  L471      AbstractCegarLoop]: Abstraction has 6959 states and 10455 transitions.
[2024-12-02 06:32:47,443 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 06:32:47,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 6959 states and 10455 transitions.
[2024-12-02 06:32:47,527 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3391
[2024-12-02 06:32:47,527 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:47,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:47,529 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:32:47,529 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:47,530 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:47,532 INFO  L85        PathProgramCache]: Analyzing trace with hash -1792615991, now seen corresponding path program 1 times
[2024-12-02 06:32:47,532 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:47,532 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467447681]
[2024-12-02 06:32:47,533 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:47,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:50,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:32:54,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:32:54,212 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:32:54,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467447681]
[2024-12-02 06:32:54,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467447681] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:32:54,212 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:32:54,212 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:32:54,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363344484]
[2024-12-02 06:32:54,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:32:54,214 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:32:54,214 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:32:54,216 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:32:54,216 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:32:54,217 INFO  L87              Difference]: Start difference. First operand 6959 states and 10455 transitions. Second operand  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 06:32:54,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:32:54,277 INFO  L93              Difference]: Finished difference Result 13387 states and 20118 transitions.
[2024-12-02 06:32:54,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 06:32:54,278 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 3390
[2024-12-02 06:32:54,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:32:54,288 INFO  L225             Difference]: With dead ends: 13387
[2024-12-02 06:32:54,288 INFO  L226             Difference]: Without dead ends: 6960
[2024-12-02 06:32:54,293 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:32:54,294 INFO  L435           NwaCegarLoop]: 9963 mSDtfsCounter, 0 mSDsluCounter, 9957 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19920 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:32:54,294 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19920 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:32:54,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6960 states.
[2024-12-02 06:32:54,364 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6960 to 6960.
[2024-12-02 06:32:54,373 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6960 states, 6959 states have (on average 1.5025147291277483) internal successors, (10456), 6959 states have internal predecessors, (10456), 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 06:32:54,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6960 states to 6960 states and 10456 transitions.
[2024-12-02 06:32:54,382 INFO  L78                 Accepts]: Start accepts. Automaton has 6960 states and 10456 transitions. Word has length 3390
[2024-12-02 06:32:54,385 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:32:54,385 INFO  L471      AbstractCegarLoop]: Abstraction has 6960 states and 10456 transitions.
[2024-12-02 06:32:54,386 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1130.0) internal successors, (3390), 3 states have internal predecessors, (3390), 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 06:32:54,386 INFO  L276                IsEmpty]: Start isEmpty. Operand 6960 states and 10456 transitions.
[2024-12-02 06:32:54,466 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3391
[2024-12-02 06:32:54,467 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:32:54,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:54,468 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:32:54,469 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:32:54,470 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:32:54,472 INFO  L85        PathProgramCache]: Analyzing trace with hash 1462963832, now seen corresponding path program 1 times
[2024-12-02 06:32:54,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:32:54,472 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124782662]
[2024-12-02 06:32:54,473 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:32:54,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:32:56,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:01,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-12-02 06:33:01,004 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:01,005 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124782662]
[2024-12-02 06:33:01,005 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124782662] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:01,005 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:01,005 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:33:01,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085203128]
[2024-12-02 06:33:01,005 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:01,008 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:33:01,008 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:01,010 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:33:01,010 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:01,011 INFO  L87              Difference]: Start difference. First operand 6960 states and 10456 transitions. Second operand  has 4 states, 4 states have (on average 807.25) internal successors, (3229), 4 states have internal predecessors, (3229), 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 06:33:01,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:01,123 INFO  L93              Difference]: Finished difference Result 13390 states and 20121 transitions.
[2024-12-02 06:33:01,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:33:01,124 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 807.25) internal successors, (3229), 4 states have internal predecessors, (3229), 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 3390
[2024-12-02 06:33:01,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:01,136 INFO  L225             Difference]: With dead ends: 13390
[2024-12-02 06:33:01,136 INFO  L226             Difference]: Without dead ends: 6962
[2024-12-02 06:33:01,140 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:01,141 INFO  L435           NwaCegarLoop]: 9964 mSDtfsCounter, 0 mSDsluCounter, 19909 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29873 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:01,141 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29873 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:33:01,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6962 states.
[2024-12-02 06:33:01,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6962 to 6960.
[2024-12-02 06:33:01,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6960 states, 6959 states have (on average 1.5025147291277483) internal successors, (10456), 6959 states have internal predecessors, (10456), 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 06:33:01,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6960 states to 6960 states and 10456 transitions.
[2024-12-02 06:33:01,206 INFO  L78                 Accepts]: Start accepts. Automaton has 6960 states and 10456 transitions. Word has length 3390
[2024-12-02 06:33:01,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:01,209 INFO  L471      AbstractCegarLoop]: Abstraction has 6960 states and 10456 transitions.
[2024-12-02 06:33:01,210 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 807.25) internal successors, (3229), 4 states have internal predecessors, (3229), 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 06:33:01,210 INFO  L276                IsEmpty]: Start isEmpty. Operand 6960 states and 10456 transitions.
[2024-12-02 06:33:01,357 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3392
[2024-12-02 06:33:01,357 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:01,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:01,359 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:33:01,359 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:01,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:01,364 INFO  L85        PathProgramCache]: Analyzing trace with hash -983872921, now seen corresponding path program 1 times
[2024-12-02 06:33:01,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:01,364 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355917503]
[2024-12-02 06:33:01,366 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:01,366 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:04,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:11,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:11,075 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:11,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355917503]
[2024-12-02 06:33:11,075 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355917503] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:11,075 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:11,076 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:33:11,076 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424924184]
[2024-12-02 06:33:11,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:11,079 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:33:11,079 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:11,082 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:33:11,082 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:11,083 INFO  L87              Difference]: Start difference. First operand 6960 states and 10456 transitions. Second operand  has 4 states, 4 states have (on average 847.75) internal successors, (3391), 4 states have internal predecessors, (3391), 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 06:33:12,114 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:12,114 INFO  L93              Difference]: Finished difference Result 13339 states and 20069 transitions.
[2024-12-02 06:33:12,114 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:33:12,115 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 847.75) internal successors, (3391), 4 states have internal predecessors, (3391), 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 3391
[2024-12-02 06:33:12,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:12,125 INFO  L225             Difference]: With dead ends: 13339
[2024-12-02 06:33:12,125 INFO  L226             Difference]: Without dead ends: 6909
[2024-12-02 06:33:12,131 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:33:12,132 INFO  L435           NwaCegarLoop]: 9342 mSDtfsCounter, 8623 mSDsluCounter, 9339 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8623 SdHoareTripleChecker+Valid, 18681 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:12,132 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8623 Valid, 18681 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 06:33:12,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6909 states.
[2024-12-02 06:33:12,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 6909.
[2024-12-02 06:33:12,210 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6909 states, 6908 states have (on average 1.4985524030110018) internal successors, (10352), 6908 states have internal predecessors, (10352), 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 06:33:12,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 10352 transitions.
[2024-12-02 06:33:12,219 INFO  L78                 Accepts]: Start accepts. Automaton has 6909 states and 10352 transitions. Word has length 3391
[2024-12-02 06:33:12,220 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:12,220 INFO  L471      AbstractCegarLoop]: Abstraction has 6909 states and 10352 transitions.
[2024-12-02 06:33:12,221 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 847.75) internal successors, (3391), 4 states have internal predecessors, (3391), 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 06:33:12,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 6909 states and 10352 transitions.
[2024-12-02 06:33:12,295 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3393
[2024-12-02 06:33:12,296 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:12,297 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:12,298 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 06:33:12,298 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:12,299 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:12,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 2100439532, now seen corresponding path program 1 times
[2024-12-02 06:33:12,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:12,301 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860631075]
[2024-12-02 06:33:12,302 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:12,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:15,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:19,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:19,243 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:19,243 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860631075]
[2024-12-02 06:33:19,243 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860631075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:19,243 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:19,244 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:33:19,244 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365860709]
[2024-12-02 06:33:19,244 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:19,245 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:33:19,245 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:19,247 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:33:19,247 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:19,248 INFO  L87              Difference]: Start difference. First operand 6909 states and 10352 transitions. Second operand  has 4 states, 4 states have (on average 848.0) internal successors, (3392), 4 states have internal predecessors, (3392), 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 06:33:19,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:19,745 INFO  L93              Difference]: Finished difference Result 13291 states and 19916 transitions.
[2024-12-02 06:33:19,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:33:19,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 848.0) internal successors, (3392), 4 states have internal predecessors, (3392), 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 3392
[2024-12-02 06:33:19,747 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:19,753 INFO  L225             Difference]: With dead ends: 13291
[2024-12-02 06:33:19,753 INFO  L226             Difference]: Without dead ends: 6909
[2024-12-02 06:33:19,757 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:33:19,758 INFO  L435           NwaCegarLoop]: 9550 mSDtfsCounter, 8617 mSDsluCounter, 9542 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8617 SdHoareTripleChecker+Valid, 19092 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:19,758 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8617 Valid, 19092 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:33:19,766 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6909 states.
[2024-12-02 06:33:19,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 6909.
[2024-12-02 06:33:19,835 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6909 states, 6908 states have (on average 1.4984076433121019) internal successors, (10351), 6908 states have internal predecessors, (10351), 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 06:33:19,844 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 10351 transitions.
[2024-12-02 06:33:19,844 INFO  L78                 Accepts]: Start accepts. Automaton has 6909 states and 10351 transitions. Word has length 3392
[2024-12-02 06:33:19,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:19,846 INFO  L471      AbstractCegarLoop]: Abstraction has 6909 states and 10351 transitions.
[2024-12-02 06:33:19,847 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 848.0) internal successors, (3392), 4 states have internal predecessors, (3392), 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 06:33:19,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 6909 states and 10351 transitions.
[2024-12-02 06:33:20,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3394
[2024-12-02 06:33:20,040 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:20,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:20,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 06:33:20,042 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:20,043 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:20,045 INFO  L85        PathProgramCache]: Analyzing trace with hash 1569076351, now seen corresponding path program 1 times
[2024-12-02 06:33:20,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:20,045 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480858582]
[2024-12-02 06:33:20,046 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:20,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:22,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:26,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:26,371 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:26,372 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480858582]
[2024-12-02 06:33:26,372 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480858582] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:26,372 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:26,372 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 06:33:26,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210666022]
[2024-12-02 06:33:26,372 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:26,373 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:33:26,373 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:26,375 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:33:26,375 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:33:26,375 INFO  L87              Difference]: Start difference. First operand 6909 states and 10351 transitions. Second operand  has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 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 06:33:27,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:27,039 INFO  L93              Difference]: Finished difference Result 15107 states and 22637 transitions.
[2024-12-02 06:33:27,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 06:33:27,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 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 3393
[2024-12-02 06:33:27,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:27,050 INFO  L225             Difference]: With dead ends: 15107
[2024-12-02 06:33:27,050 INFO  L226             Difference]: Without dead ends: 6909
[2024-12-02 06:33:27,057 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:33:27,058 INFO  L435           NwaCegarLoop]: 9805 mSDtfsCounter, 14020 mSDsluCounter, 28863 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14020 SdHoareTripleChecker+Valid, 38668 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:27,058 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14020 Valid, 38668 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:33:27,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6909 states.
[2024-12-02 06:33:27,152 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 6909.
[2024-12-02 06:33:27,159 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6909 states, 6908 states have (on average 1.4982628836132021) internal successors, (10350), 6908 states have internal predecessors, (10350), 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 06:33:27,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 10350 transitions.
[2024-12-02 06:33:27,172 INFO  L78                 Accepts]: Start accepts. Automaton has 6909 states and 10350 transitions. Word has length 3393
[2024-12-02 06:33:27,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:27,173 INFO  L471      AbstractCegarLoop]: Abstraction has 6909 states and 10350 transitions.
[2024-12-02 06:33:27,174 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 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 06:33:27,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 6909 states and 10350 transitions.
[2024-12-02 06:33:27,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3395
[2024-12-02 06:33:27,321 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:27,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:27,323 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 06:33:27,323 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:27,324 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:27,325 INFO  L85        PathProgramCache]: Analyzing trace with hash 1985951541, now seen corresponding path program 1 times
[2024-12-02 06:33:27,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:27,326 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436639493]
[2024-12-02 06:33:27,326 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:27,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:27,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:31,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:31,439 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:31,439 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436639493]
[2024-12-02 06:33:31,440 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436639493] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:31,440 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:31,440 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:33:31,440 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920977520]
[2024-12-02 06:33:31,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:31,442 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:33:31,442 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:31,445 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:33:31,445 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:31,445 INFO  L87              Difference]: Start difference. First operand 6909 states and 10350 transitions. Second operand  has 4 states, 4 states have (on average 848.5) internal successors, (3394), 4 states have internal predecessors, (3394), 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 06:33:32,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:32,240 INFO  L93              Difference]: Finished difference Result 15105 states and 22633 transitions.
[2024-12-02 06:33:32,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:33:32,241 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 848.5) internal successors, (3394), 4 states have internal predecessors, (3394), 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 3394
[2024-12-02 06:33:32,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:32,248 INFO  L225             Difference]: With dead ends: 15105
[2024-12-02 06:33:32,248 INFO  L226             Difference]: Without dead ends: 6909
[2024-12-02 06:33:32,253 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:33:32,253 INFO  L435           NwaCegarLoop]: 9754 mSDtfsCounter, 1760 mSDsluCounter, 19099 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 28853 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:32,253 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 28853 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:33:32,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6909 states.
[2024-12-02 06:33:32,322 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 6909.
[2024-12-02 06:33:32,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6909 states, 6908 states have (on average 1.4981181239143022) internal successors, (10349), 6908 states have internal predecessors, (10349), 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 06:33:32,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 10349 transitions.
[2024-12-02 06:33:32,337 INFO  L78                 Accepts]: Start accepts. Automaton has 6909 states and 10349 transitions. Word has length 3394
[2024-12-02 06:33:32,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:32,338 INFO  L471      AbstractCegarLoop]: Abstraction has 6909 states and 10349 transitions.
[2024-12-02 06:33:32,338 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 848.5) internal successors, (3394), 4 states have internal predecessors, (3394), 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 06:33:32,338 INFO  L276                IsEmpty]: Start isEmpty. Operand 6909 states and 10349 transitions.
[2024-12-02 06:33:32,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3395
[2024-12-02 06:33:32,455 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:32,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:32,457 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 06:33:32,457 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:32,458 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:32,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -1319835516, now seen corresponding path program 1 times
[2024-12-02 06:33:32,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:32,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953107483]
[2024-12-02 06:33:32,459 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:32,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:35,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:40,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:40,914 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:40,914 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953107483]
[2024-12-02 06:33:40,914 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953107483] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:40,914 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:40,915 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 06:33:40,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646857252]
[2024-12-02 06:33:40,915 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:40,917 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:33:40,917 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:40,919 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:33:40,919 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:33:40,919 INFO  L87              Difference]: Start difference. First operand 6909 states and 10349 transitions. Second operand  has 6 states, 6 states have (on average 565.6666666666666) internal successors, (3394), 6 states have internal predecessors, (3394), 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 06:33:42,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:42,440 INFO  L93              Difference]: Finished difference Result 13294 states and 19915 transitions.
[2024-12-02 06:33:42,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:33:42,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 565.6666666666666) internal successors, (3394), 6 states have internal predecessors, (3394), 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 3394
[2024-12-02 06:33:42,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:42,447 INFO  L225             Difference]: With dead ends: 13294
[2024-12-02 06:33:42,447 INFO  L226             Difference]: Without dead ends: 6915
[2024-12-02 06:33:42,451 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:33:42,452 INFO  L435           NwaCegarLoop]: 9047 mSDtfsCounter, 9600 mSDsluCounter, 9046 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9600 SdHoareTripleChecker+Valid, 18093 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:42,452 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9600 Valid, 18093 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 06:33:42,459 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6915 states.
[2024-12-02 06:33:42,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6909.
[2024-12-02 06:33:42,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6909 states, 6908 states have (on average 1.4979733642154025) internal successors, (10348), 6908 states have internal predecessors, (10348), 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 06:33:42,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6909 states to 6909 states and 10348 transitions.
[2024-12-02 06:33:42,529 INFO  L78                 Accepts]: Start accepts. Automaton has 6909 states and 10348 transitions. Word has length 3394
[2024-12-02 06:33:42,530 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:42,530 INFO  L471      AbstractCegarLoop]: Abstraction has 6909 states and 10348 transitions.
[2024-12-02 06:33:42,531 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 565.6666666666666) internal successors, (3394), 6 states have internal predecessors, (3394), 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 06:33:42,531 INFO  L276                IsEmpty]: Start isEmpty. Operand 6909 states and 10348 transitions.
[2024-12-02 06:33:42,576 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3396
[2024-12-02 06:33:42,576 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:42,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:42,578 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 06:33:42,578 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:42,579 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:42,580 INFO  L85        PathProgramCache]: Analyzing trace with hash 1801002935, now seen corresponding path program 1 times
[2024-12-02 06:33:42,580 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:42,580 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712209325]
[2024-12-02 06:33:42,580 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:42,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:45,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:49,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:49,279 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:49,279 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712209325]
[2024-12-02 06:33:49,279 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712209325] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:49,279 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:49,279 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:33:49,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491142385]
[2024-12-02 06:33:49,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:49,282 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:33:49,282 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:49,284 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:33:49,284 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:33:49,285 INFO  L87              Difference]: Start difference. First operand 6909 states and 10348 transitions. Second operand  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 06:33:49,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:49,455 INFO  L93              Difference]: Finished difference Result 13289 states and 19906 transitions.
[2024-12-02 06:33:49,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:33:49,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 3395
[2024-12-02 06:33:49,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:49,462 INFO  L225             Difference]: With dead ends: 13289
[2024-12-02 06:33:49,462 INFO  L226             Difference]: Without dead ends: 6910
[2024-12-02 06:33:49,466 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:33:49,466 INFO  L435           NwaCegarLoop]: 9835 mSDtfsCounter, 9527 mSDsluCounter, 19665 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9527 SdHoareTripleChecker+Valid, 29500 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:49,466 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9527 Valid, 29500 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:33:49,473 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6910 states.
[2024-12-02 06:33:49,535 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 6910.
[2024-12-02 06:33:49,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6910 states, 6909 states have (on average 1.4979012881748444) internal successors, (10349), 6909 states have internal predecessors, (10349), 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 06:33:49,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6910 states to 6910 states and 10349 transitions.
[2024-12-02 06:33:49,551 INFO  L78                 Accepts]: Start accepts. Automaton has 6910 states and 10349 transitions. Word has length 3395
[2024-12-02 06:33:49,552 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:49,552 INFO  L471      AbstractCegarLoop]: Abstraction has 6910 states and 10349 transitions.
[2024-12-02 06:33:49,552 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 06:33:49,552 INFO  L276                IsEmpty]: Start isEmpty. Operand 6910 states and 10349 transitions.
[2024-12-02 06:33:49,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3396
[2024-12-02 06:33:49,689 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:49,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:49,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 06:33:49,690 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:49,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:49,691 INFO  L85        PathProgramCache]: Analyzing trace with hash -80874633, now seen corresponding path program 1 times
[2024-12-02 06:33:49,692 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:49,692 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621685197]
[2024-12-02 06:33:49,692 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:49,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:52,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:33:56,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:33:56,239 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:33:56,239 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621685197]
[2024-12-02 06:33:56,239 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621685197] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:33:56,239 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:33:56,240 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:33:56,240 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942828113]
[2024-12-02 06:33:56,240 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:33:56,241 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:33:56,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:33:56,242 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:33:56,242 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:33:56,243 INFO  L87              Difference]: Start difference. First operand 6910 states and 10349 transitions. Second operand  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 06:33:56,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:33:56,729 INFO  L93              Difference]: Finished difference Result 13290 states and 19906 transitions.
[2024-12-02 06:33:56,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:33:56,730 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 3395
[2024-12-02 06:33:56,730 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:33:56,734 INFO  L225             Difference]: With dead ends: 13290
[2024-12-02 06:33:56,734 INFO  L226             Difference]: Without dead ends: 6910
[2024-12-02 06:33:56,738 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:33:56,738 INFO  L435           NwaCegarLoop]: 9528 mSDtfsCounter, 9851 mSDsluCounter, 9526 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9851 SdHoareTripleChecker+Valid, 19054 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:33:56,738 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9851 Valid, 19054 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:33:56,743 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6910 states.
[2024-12-02 06:33:56,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 6910.
[2024-12-02 06:33:56,784 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6910 states, 6909 states have (on average 1.4977565494282818) internal successors, (10348), 6909 states have internal predecessors, (10348), 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 06:33:56,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6910 states to 6910 states and 10348 transitions.
[2024-12-02 06:33:56,791 INFO  L78                 Accepts]: Start accepts. Automaton has 6910 states and 10348 transitions. Word has length 3395
[2024-12-02 06:33:56,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:33:56,791 INFO  L471      AbstractCegarLoop]: Abstraction has 6910 states and 10348 transitions.
[2024-12-02 06:33:56,792 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.0) internal successors, (3395), 5 states have internal predecessors, (3395), 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 06:33:56,792 INFO  L276                IsEmpty]: Start isEmpty. Operand 6910 states and 10348 transitions.
[2024-12-02 06:33:56,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3397
[2024-12-02 06:33:56,844 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:33:56,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:56,845 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 06:33:56,845 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:33:56,846 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:33:56,846 INFO  L85        PathProgramCache]: Analyzing trace with hash -957654755, now seen corresponding path program 1 times
[2024-12-02 06:33:56,846 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:33:56,846 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243553802]
[2024-12-02 06:33:56,847 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:33:56,847 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:33:57,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:00,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:00,065 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:00,065 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243553802]
[2024-12-02 06:34:00,065 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243553802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:00,065 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:00,066 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:34:00,066 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128946286]
[2024-12-02 06:34:00,066 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:00,067 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:34:00,067 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:00,069 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:34:00,069 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:00,070 INFO  L87              Difference]: Start difference. First operand 6910 states and 10348 transitions. Second operand  has 4 states, 4 states have (on average 849.0) internal successors, (3396), 4 states have internal predecessors, (3396), 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 06:34:00,831 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:00,831 INFO  L93              Difference]: Finished difference Result 15087 states and 22599 transitions.
[2024-12-02 06:34:00,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:00,832 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 849.0) internal successors, (3396), 4 states have internal predecessors, (3396), 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 3396
[2024-12-02 06:34:00,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:00,838 INFO  L225             Difference]: With dead ends: 15087
[2024-12-02 06:34:00,838 INFO  L226             Difference]: Without dead ends: 6910
[2024-12-02 06:34:00,841 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:00,842 INFO  L435           NwaCegarLoop]: 9757 mSDtfsCounter, 1744 mSDsluCounter, 19101 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 28858 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:00,842 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 28858 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:34:00,847 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6910 states.
[2024-12-02 06:34:01,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 6910.
[2024-12-02 06:34:01,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6910 states, 6909 states have (on average 1.4976118106817196) internal successors, (10347), 6909 states have internal predecessors, (10347), 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 06:34:01,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6910 states to 6910 states and 10347 transitions.
[2024-12-02 06:34:01,095 INFO  L78                 Accepts]: Start accepts. Automaton has 6910 states and 10347 transitions. Word has length 3396
[2024-12-02 06:34:01,095 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:01,095 INFO  L471      AbstractCegarLoop]: Abstraction has 6910 states and 10347 transitions.
[2024-12-02 06:34:01,095 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 849.0) internal successors, (3396), 4 states have internal predecessors, (3396), 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 06:34:01,096 INFO  L276                IsEmpty]: Start isEmpty. Operand 6910 states and 10347 transitions.
[2024-12-02 06:34:01,140 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3397
[2024-12-02 06:34:01,141 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:01,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:01,142 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 06:34:01,142 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:01,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:01,143 INFO  L85        PathProgramCache]: Analyzing trace with hash -543125204, now seen corresponding path program 1 times
[2024-12-02 06:34:01,143 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:01,143 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56704060]
[2024-12-02 06:34:01,144 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:01,144 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:02,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:05,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:05,684 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:05,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56704060]
[2024-12-02 06:34:05,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56704060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:05,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:05,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:05,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569019605]
[2024-12-02 06:34:05,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:05,688 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:05,688 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:05,692 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:05,692 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:05,692 INFO  L87              Difference]: Start difference. First operand 6910 states and 10347 transitions. Second operand  has 5 states, 5 states have (on average 679.2) internal successors, (3396), 5 states have internal predecessors, (3396), 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 06:34:06,601 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:06,602 INFO  L93              Difference]: Finished difference Result 13290 states and 19902 transitions.
[2024-12-02 06:34:06,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:06,603 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.2) internal successors, (3396), 5 states have internal predecessors, (3396), 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 3396
[2024-12-02 06:34:06,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:06,608 INFO  L225             Difference]: With dead ends: 13290
[2024-12-02 06:34:06,608 INFO  L226             Difference]: Without dead ends: 6910
[2024-12-02 06:34:06,612 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:06,613 INFO  L435           NwaCegarLoop]: 9351 mSDtfsCounter, 9847 mSDsluCounter, 9346 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9847 SdHoareTripleChecker+Valid, 18697 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:06,613 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9847 Valid, 18697 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:34:06,621 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6910 states.
[2024-12-02 06:34:06,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 6910.
[2024-12-02 06:34:06,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6910 states, 6909 states have (on average 1.497467071935157) internal successors, (10346), 6909 states have internal predecessors, (10346), 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 06:34:06,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6910 states to 6910 states and 10346 transitions.
[2024-12-02 06:34:06,694 INFO  L78                 Accepts]: Start accepts. Automaton has 6910 states and 10346 transitions. Word has length 3396
[2024-12-02 06:34:06,694 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:06,694 INFO  L471      AbstractCegarLoop]: Abstraction has 6910 states and 10346 transitions.
[2024-12-02 06:34:06,695 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.2) internal successors, (3396), 5 states have internal predecessors, (3396), 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 06:34:06,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 6910 states and 10346 transitions.
[2024-12-02 06:34:06,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3398
[2024-12-02 06:34:06,809 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:06,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:06,811 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 06:34:06,811 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:06,812 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:06,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -1704070481, now seen corresponding path program 1 times
[2024-12-02 06:34:06,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:06,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863775626]
[2024-12-02 06:34:06,813 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:06,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:09,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:13,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:13,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:13,058 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863775626]
[2024-12-02 06:34:13,058 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863775626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:13,058 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:13,058 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:13,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727493719]
[2024-12-02 06:34:13,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:13,060 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:13,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:13,061 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:13,061 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:13,062 INFO  L87              Difference]: Start difference. First operand 6910 states and 10346 transitions. Second operand  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 06:34:13,217 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:13,217 INFO  L93              Difference]: Finished difference Result 13291 states and 19902 transitions.
[2024-12-02 06:34:13,218 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:34:13,218 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 3397
[2024-12-02 06:34:13,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:13,222 INFO  L225             Difference]: With dead ends: 13291
[2024-12-02 06:34:13,222 INFO  L226             Difference]: Without dead ends: 6911
[2024-12-02 06:34:13,224 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:34:13,224 INFO  L435           NwaCegarLoop]: 9830 mSDtfsCounter, 9512 mSDsluCounter, 19655 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9512 SdHoareTripleChecker+Valid, 29485 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:13,225 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9512 Valid, 29485 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:34:13,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6911 states.
[2024-12-02 06:34:13,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6911.
[2024-12-02 06:34:13,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6911 states, 6910 states have (on average 1.4973950795947901) internal successors, (10347), 6910 states have internal predecessors, (10347), 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 06:34:13,280 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 10347 transitions.
[2024-12-02 06:34:13,280 INFO  L78                 Accepts]: Start accepts. Automaton has 6911 states and 10347 transitions. Word has length 3397
[2024-12-02 06:34:13,280 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:13,281 INFO  L471      AbstractCegarLoop]: Abstraction has 6911 states and 10347 transitions.
[2024-12-02 06:34:13,281 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 06:34:13,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 6911 states and 10347 transitions.
[2024-12-02 06:34:13,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3398
[2024-12-02 06:34:13,329 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:13,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:13,330 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 06:34:13,331 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:13,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:13,332 INFO  L85        PathProgramCache]: Analyzing trace with hash 1791260271, now seen corresponding path program 1 times
[2024-12-02 06:34:13,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:13,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771350690]
[2024-12-02 06:34:13,333 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:13,333 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:15,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:19,552 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:19,552 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:19,552 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771350690]
[2024-12-02 06:34:19,552 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771350690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:19,552 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:19,552 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:19,553 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817287970]
[2024-12-02 06:34:19,553 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:19,554 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:19,554 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:19,555 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:19,555 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:19,556 INFO  L87              Difference]: Start difference. First operand 6911 states and 10347 transitions. Second operand  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 06:34:20,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:20,091 INFO  L93              Difference]: Finished difference Result 13292 states and 19902 transitions.
[2024-12-02 06:34:20,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:20,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 3397
[2024-12-02 06:34:20,092 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:20,096 INFO  L225             Difference]: With dead ends: 13292
[2024-12-02 06:34:20,096 INFO  L226             Difference]: Without dead ends: 6911
[2024-12-02 06:34:20,100 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:34:20,100 INFO  L435           NwaCegarLoop]: 9528 mSDtfsCounter, 19301 mSDsluCounter, 9525 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19301 SdHoareTripleChecker+Valid, 19053 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:20,100 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19301 Valid, 19053 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:34:20,105 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6911 states.
[2024-12-02 06:34:20,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6911.
[2024-12-02 06:34:20,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6911 states, 6910 states have (on average 1.4972503617945008) internal successors, (10346), 6910 states have internal predecessors, (10346), 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 06:34:20,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 10346 transitions.
[2024-12-02 06:34:20,155 INFO  L78                 Accepts]: Start accepts. Automaton has 6911 states and 10346 transitions. Word has length 3397
[2024-12-02 06:34:20,155 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:20,155 INFO  L471      AbstractCegarLoop]: Abstraction has 6911 states and 10346 transitions.
[2024-12-02 06:34:20,156 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.4) internal successors, (3397), 5 states have internal predecessors, (3397), 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 06:34:20,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 6911 states and 10346 transitions.
[2024-12-02 06:34:20,203 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3399
[2024-12-02 06:34:20,203 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:20,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:20,204 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 06:34:20,204 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:20,205 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:20,206 INFO  L85        PathProgramCache]: Analyzing trace with hash -1229581536, now seen corresponding path program 1 times
[2024-12-02 06:34:20,206 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:20,206 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121079832]
[2024-12-02 06:34:20,206 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:20,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:20,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:23,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:23,036 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:23,036 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121079832]
[2024-12-02 06:34:23,036 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121079832] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:23,036 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:23,036 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:34:23,036 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566315626]
[2024-12-02 06:34:23,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:23,038 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:34:23,038 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:23,039 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:34:23,040 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:23,040 INFO  L87              Difference]: Start difference. First operand 6911 states and 10346 transitions. Second operand  has 4 states, 4 states have (on average 849.5) internal successors, (3398), 4 states have internal predecessors, (3398), 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 06:34:23,775 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:23,775 INFO  L93              Difference]: Finished difference Result 15042 states and 22524 transitions.
[2024-12-02 06:34:23,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:23,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 849.5) internal successors, (3398), 4 states have internal predecessors, (3398), 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 3398
[2024-12-02 06:34:23,777 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:23,781 INFO  L225             Difference]: With dead ends: 15042
[2024-12-02 06:34:23,781 INFO  L226             Difference]: Without dead ends: 6911
[2024-12-02 06:34:23,785 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:23,785 INFO  L435           NwaCegarLoop]: 9765 mSDtfsCounter, 1702 mSDsluCounter, 19108 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 28873 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:23,785 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 28873 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:34:23,790 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6911 states.
[2024-12-02 06:34:23,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6911.
[2024-12-02 06:34:23,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6911 states, 6910 states have (on average 1.4971056439942112) internal successors, (10345), 6910 states have internal predecessors, (10345), 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 06:34:23,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 10345 transitions.
[2024-12-02 06:34:23,840 INFO  L78                 Accepts]: Start accepts. Automaton has 6911 states and 10345 transitions. Word has length 3398
[2024-12-02 06:34:23,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:23,841 INFO  L471      AbstractCegarLoop]: Abstraction has 6911 states and 10345 transitions.
[2024-12-02 06:34:23,841 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 849.5) internal successors, (3398), 4 states have internal predecessors, (3398), 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 06:34:23,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 6911 states and 10345 transitions.
[2024-12-02 06:34:23,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3399
[2024-12-02 06:34:23,930 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:23,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:23,931 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 06:34:23,931 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:23,932 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:23,933 INFO  L85        PathProgramCache]: Analyzing trace with hash 705478767, now seen corresponding path program 1 times
[2024-12-02 06:34:23,933 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:23,933 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103521811]
[2024-12-02 06:34:23,934 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:23,934 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:25,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:28,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:28,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:28,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103521811]
[2024-12-02 06:34:28,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103521811] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:28,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:28,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:28,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166141612]
[2024-12-02 06:34:28,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:28,916 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:28,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:28,918 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:28,918 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:28,919 INFO  L87              Difference]: Start difference. First operand 6911 states and 10345 transitions. Second operand  has 5 states, 5 states have (on average 679.6) internal successors, (3398), 5 states have internal predecessors, (3398), 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 06:34:29,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:29,692 INFO  L93              Difference]: Finished difference Result 13292 states and 19898 transitions.
[2024-12-02 06:34:29,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:29,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.6) internal successors, (3398), 5 states have internal predecessors, (3398), 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 3398
[2024-12-02 06:34:29,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:29,698 INFO  L225             Difference]: With dead ends: 13292
[2024-12-02 06:34:29,698 INFO  L226             Difference]: Without dead ends: 6911
[2024-12-02 06:34:29,702 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:29,702 INFO  L435           NwaCegarLoop]: 9350 mSDtfsCounter, 9814 mSDsluCounter, 9346 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9814 SdHoareTripleChecker+Valid, 18696 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:29,702 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9814 Valid, 18696 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:34:29,707 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6911 states.
[2024-12-02 06:34:29,745 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6911 to 6911.
[2024-12-02 06:34:29,750 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6911 states, 6910 states have (on average 1.4969609261939218) internal successors, (10344), 6910 states have internal predecessors, (10344), 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 06:34:29,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 10344 transitions.
[2024-12-02 06:34:29,756 INFO  L78                 Accepts]: Start accepts. Automaton has 6911 states and 10344 transitions. Word has length 3398
[2024-12-02 06:34:29,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:29,757 INFO  L471      AbstractCegarLoop]: Abstraction has 6911 states and 10344 transitions.
[2024-12-02 06:34:29,757 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.6) internal successors, (3398), 5 states have internal predecessors, (3398), 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 06:34:29,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 6911 states and 10344 transitions.
[2024-12-02 06:34:29,803 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3400
[2024-12-02 06:34:29,803 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:29,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:29,804 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 06:34:29,804 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:29,805 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:29,806 INFO  L85        PathProgramCache]: Analyzing trace with hash 626688263, now seen corresponding path program 1 times
[2024-12-02 06:34:29,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:29,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187311940]
[2024-12-02 06:34:29,806 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:29,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:32,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:35,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:35,881 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:35,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187311940]
[2024-12-02 06:34:35,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187311940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:35,881 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:35,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:35,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474896705]
[2024-12-02 06:34:35,882 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:35,884 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:35,884 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:35,886 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:35,886 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:35,887 INFO  L87              Difference]: Start difference. First operand 6911 states and 10344 transitions. Second operand  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 06:34:36,023 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:36,023 INFO  L93              Difference]: Finished difference Result 13293 states and 19898 transitions.
[2024-12-02 06:34:36,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:34:36,024 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 3399
[2024-12-02 06:34:36,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:36,028 INFO  L225             Difference]: With dead ends: 13293
[2024-12-02 06:34:36,028 INFO  L226             Difference]: Without dead ends: 6912
[2024-12-02 06:34:36,031 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:34:36,032 INFO  L435           NwaCegarLoop]: 9829 mSDtfsCounter, 9485 mSDsluCounter, 19653 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9485 SdHoareTripleChecker+Valid, 29482 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:36,032 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9485 Valid, 29482 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:34:36,037 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6912 states.
[2024-12-02 06:34:36,073 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6912.
[2024-12-02 06:34:36,078 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6912 states, 6911 states have (on average 1.49688901750832) internal successors, (10345), 6911 states have internal predecessors, (10345), 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 06:34:36,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6912 states to 6912 states and 10345 transitions.
[2024-12-02 06:34:36,085 INFO  L78                 Accepts]: Start accepts. Automaton has 6912 states and 10345 transitions. Word has length 3399
[2024-12-02 06:34:36,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:36,085 INFO  L471      AbstractCegarLoop]: Abstraction has 6912 states and 10345 transitions.
[2024-12-02 06:34:36,086 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 06:34:36,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 6912 states and 10345 transitions.
[2024-12-02 06:34:36,132 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3400
[2024-12-02 06:34:36,132 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:36,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:36,133 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 06:34:36,133 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:36,134 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:36,135 INFO  L85        PathProgramCache]: Analyzing trace with hash -1888594745, now seen corresponding path program 1 times
[2024-12-02 06:34:36,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:36,135 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566999372]
[2024-12-02 06:34:36,135 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:36,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:39,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:42,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:42,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:42,443 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566999372]
[2024-12-02 06:34:42,443 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566999372] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:42,443 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:42,444 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:42,444 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425686452]
[2024-12-02 06:34:42,444 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:42,445 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:42,445 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:42,447 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:42,447 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:42,448 INFO  L87              Difference]: Start difference. First operand 6912 states and 10345 transitions. Second operand  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 06:34:42,977 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:42,977 INFO  L93              Difference]: Finished difference Result 13294 states and 19898 transitions.
[2024-12-02 06:34:42,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:42,979 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 3399
[2024-12-02 06:34:42,979 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:42,984 INFO  L225             Difference]: With dead ends: 13294
[2024-12-02 06:34:42,984 INFO  L226             Difference]: Without dead ends: 6912
[2024-12-02 06:34:42,987 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:34:42,988 INFO  L435           NwaCegarLoop]: 9524 mSDtfsCounter, 9809 mSDsluCounter, 9522 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9809 SdHoareTripleChecker+Valid, 19046 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:42,988 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9809 Valid, 19046 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:34:42,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6912 states.
[2024-12-02 06:34:43,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6912.
[2024-12-02 06:34:43,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6912 states, 6911 states have (on average 1.496744320648242) internal successors, (10344), 6911 states have internal predecessors, (10344), 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 06:34:43,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6912 states to 6912 states and 10344 transitions.
[2024-12-02 06:34:43,047 INFO  L78                 Accepts]: Start accepts. Automaton has 6912 states and 10344 transitions. Word has length 3399
[2024-12-02 06:34:43,047 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:43,048 INFO  L471      AbstractCegarLoop]: Abstraction has 6912 states and 10344 transitions.
[2024-12-02 06:34:43,048 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 679.8) internal successors, (3399), 5 states have internal predecessors, (3399), 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 06:34:43,048 INFO  L276                IsEmpty]: Start isEmpty. Operand 6912 states and 10344 transitions.
[2024-12-02 06:34:43,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3401
[2024-12-02 06:34:43,096 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:43,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:43,097 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 06:34:43,097 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:43,098 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:43,099 INFO  L85        PathProgramCache]: Analyzing trace with hash 973308328, now seen corresponding path program 1 times
[2024-12-02 06:34:43,099 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:43,099 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264152556]
[2024-12-02 06:34:43,099 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:43,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:43,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:45,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:45,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:45,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264152556]
[2024-12-02 06:34:45,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264152556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:45,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:45,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:34:45,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453483177]
[2024-12-02 06:34:45,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:45,904 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:34:45,904 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:45,906 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:34:45,906 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:45,906 INFO  L87              Difference]: Start difference. First operand 6912 states and 10344 transitions. Second operand  has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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 06:34:46,583 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:46,584 INFO  L93              Difference]: Finished difference Result 15024 states and 22490 transitions.
[2024-12-02 06:34:46,584 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:46,585 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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 3400
[2024-12-02 06:34:46,585 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:46,589 INFO  L225             Difference]: With dead ends: 15024
[2024-12-02 06:34:46,590 INFO  L226             Difference]: Without dead ends: 6912
[2024-12-02 06:34:46,593 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:34:46,594 INFO  L435           NwaCegarLoop]: 9768 mSDtfsCounter, 1686 mSDsluCounter, 19110 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 28878 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:46,594 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 28878 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:34:46,602 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6912 states.
[2024-12-02 06:34:46,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6912.
[2024-12-02 06:34:46,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6912 states, 6911 states have (on average 1.4965996237881638) internal successors, (10343), 6911 states have internal predecessors, (10343), 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 06:34:46,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6912 states to 6912 states and 10343 transitions.
[2024-12-02 06:34:46,652 INFO  L78                 Accepts]: Start accepts. Automaton has 6912 states and 10343 transitions. Word has length 3400
[2024-12-02 06:34:46,652 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:46,652 INFO  L471      AbstractCegarLoop]: Abstraction has 6912 states and 10343 transitions.
[2024-12-02 06:34:46,653 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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 06:34:46,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 6912 states and 10343 transitions.
[2024-12-02 06:34:46,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3401
[2024-12-02 06:34:46,698 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:46,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:46,699 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 06:34:46,699 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:46,700 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:46,700 INFO  L85        PathProgramCache]: Analyzing trace with hash -454773321, now seen corresponding path program 1 times
[2024-12-02 06:34:46,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:46,700 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446031544]
[2024-12-02 06:34:46,701 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:46,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:47,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:51,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:51,641 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:51,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446031544]
[2024-12-02 06:34:51,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446031544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:51,641 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:51,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:51,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816163437]
[2024-12-02 06:34:51,641 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:51,643 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:51,643 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:51,644 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:51,644 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:51,644 INFO  L87              Difference]: Start difference. First operand 6912 states and 10343 transitions. Second operand  has 5 states, 5 states have (on average 680.0) internal successors, (3400), 5 states have internal predecessors, (3400), 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 06:34:52,485 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:52,486 INFO  L93              Difference]: Finished difference Result 13294 states and 19894 transitions.
[2024-12-02 06:34:52,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:34:52,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.0) internal successors, (3400), 5 states have internal predecessors, (3400), 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 3400
[2024-12-02 06:34:52,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:52,491 INFO  L225             Difference]: With dead ends: 13294
[2024-12-02 06:34:52,491 INFO  L226             Difference]: Without dead ends: 6912
[2024-12-02 06:34:52,494 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:52,495 INFO  L435           NwaCegarLoop]: 9349 mSDtfsCounter, 9805 mSDsluCounter, 9344 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9805 SdHoareTripleChecker+Valid, 18693 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:52,495 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9805 Valid, 18693 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:34:52,500 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6912 states.
[2024-12-02 06:34:52,538 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 6912.
[2024-12-02 06:34:52,543 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6912 states, 6911 states have (on average 1.4964549269280856) internal successors, (10342), 6911 states have internal predecessors, (10342), 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 06:34:52,550 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6912 states to 6912 states and 10342 transitions.
[2024-12-02 06:34:52,550 INFO  L78                 Accepts]: Start accepts. Automaton has 6912 states and 10342 transitions. Word has length 3400
[2024-12-02 06:34:52,550 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:52,550 INFO  L471      AbstractCegarLoop]: Abstraction has 6912 states and 10342 transitions.
[2024-12-02 06:34:52,551 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.0) internal successors, (3400), 5 states have internal predecessors, (3400), 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 06:34:52,551 INFO  L276                IsEmpty]: Start isEmpty. Operand 6912 states and 10342 transitions.
[2024-12-02 06:34:52,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3402
[2024-12-02 06:34:52,597 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:52,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:52,598 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 06:34:52,598 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:52,599 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:52,599 INFO  L85        PathProgramCache]: Analyzing trace with hash -743498913, now seen corresponding path program 1 times
[2024-12-02 06:34:52,599 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:52,599 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840219159]
[2024-12-02 06:34:52,600 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:52,600 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:55,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:34:58,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:34:58,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:34:58,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840219159]
[2024-12-02 06:34:58,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840219159] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:34:58,458 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:34:58,458 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:34:58,458 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926169235]
[2024-12-02 06:34:58,458 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:34:58,459 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:34:58,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:34:58,461 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:34:58,461 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:34:58,461 INFO  L87              Difference]: Start difference. First operand 6912 states and 10342 transitions. Second operand  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 06:34:58,635 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:34:58,635 INFO  L93              Difference]: Finished difference Result 13295 states and 19894 transitions.
[2024-12-02 06:34:58,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:34:58,636 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 3401
[2024-12-02 06:34:58,636 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:34:58,639 INFO  L225             Difference]: With dead ends: 13295
[2024-12-02 06:34:58,639 INFO  L226             Difference]: Without dead ends: 6913
[2024-12-02 06:34:58,641 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:34:58,641 INFO  L435           NwaCegarLoop]: 9824 mSDtfsCounter, 9470 mSDsluCounter, 19643 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9470 SdHoareTripleChecker+Valid, 29467 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:34:58,641 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9470 Valid, 29467 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:34:58,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6913 states.
[2024-12-02 06:34:58,680 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913.
[2024-12-02 06:34:58,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6913 states, 6912 states have (on average 1.4963831018518519) internal successors, (10343), 6912 states have internal predecessors, (10343), 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 06:34:58,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 10343 transitions.
[2024-12-02 06:34:58,691 INFO  L78                 Accepts]: Start accepts. Automaton has 6913 states and 10343 transitions. Word has length 3401
[2024-12-02 06:34:58,691 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:34:58,691 INFO  L471      AbstractCegarLoop]: Abstraction has 6913 states and 10343 transitions.
[2024-12-02 06:34:58,692 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 06:34:58,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 6913 states and 10343 transitions.
[2024-12-02 06:34:58,737 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3402
[2024-12-02 06:34:58,737 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:34:58,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:58,738 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 06:34:58,738 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:34:58,739 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:58,739 INFO  L85        PathProgramCache]: Analyzing trace with hash 1896128287, now seen corresponding path program 1 times
[2024-12-02 06:34:58,739 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:58,739 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427188925]
[2024-12-02 06:34:58,740 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:58,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:01,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:04,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:04,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:04,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427188925]
[2024-12-02 06:35:04,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427188925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:04,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:04,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:04,776 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187747941]
[2024-12-02 06:35:04,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:04,778 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:04,778 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:04,779 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:04,779 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:04,780 INFO  L87              Difference]: Start difference. First operand 6913 states and 10343 transitions. Second operand  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 06:35:05,283 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:05,283 INFO  L93              Difference]: Finished difference Result 13296 states and 19894 transitions.
[2024-12-02 06:35:05,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:05,284 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 3401
[2024-12-02 06:35:05,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:05,289 INFO  L225             Difference]: With dead ends: 13296
[2024-12-02 06:35:05,289 INFO  L226             Difference]: Without dead ends: 6913
[2024-12-02 06:35:05,292 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:35:05,293 INFO  L435           NwaCegarLoop]: 9524 mSDtfsCounter, 9758 mSDsluCounter, 9522 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9758 SdHoareTripleChecker+Valid, 19046 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:05,293 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9758 Valid, 19046 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:35:05,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6913 states.
[2024-12-02 06:35:05,337 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913.
[2024-12-02 06:35:05,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6913 states, 6912 states have (on average 1.4962384259259258) internal successors, (10342), 6912 states have internal predecessors, (10342), 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 06:35:05,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 10342 transitions.
[2024-12-02 06:35:05,348 INFO  L78                 Accepts]: Start accepts. Automaton has 6913 states and 10342 transitions. Word has length 3401
[2024-12-02 06:35:05,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:05,349 INFO  L471      AbstractCegarLoop]: Abstraction has 6913 states and 10342 transitions.
[2024-12-02 06:35:05,349 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.2) internal successors, (3401), 5 states have internal predecessors, (3401), 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 06:35:05,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 6913 states and 10342 transitions.
[2024-12-02 06:35:05,395 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3403
[2024-12-02 06:35:05,395 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:05,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:05,396 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 06:35:05,396 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:05,397 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:05,397 INFO  L85        PathProgramCache]: Analyzing trace with hash 2137415169, now seen corresponding path program 1 times
[2024-12-02 06:35:05,397 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:05,397 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872610696]
[2024-12-02 06:35:05,398 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:05,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:05,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:08,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:08,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:08,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872610696]
[2024-12-02 06:35:08,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872610696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:08,209 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:08,209 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:35:08,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128500088]
[2024-12-02 06:35:08,209 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:08,210 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:35:08,210 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:08,211 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:35:08,212 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:08,212 INFO  L87              Difference]: Start difference. First operand 6913 states and 10342 transitions. Second operand  has 4 states, 4 states have (on average 850.5) internal successors, (3402), 4 states have internal predecessors, (3402), 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 06:35:08,840 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:08,840 INFO  L93              Difference]: Finished difference Result 14925 states and 22333 transitions.
[2024-12-02 06:35:08,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:08,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 850.5) internal successors, (3402), 4 states have internal predecessors, (3402), 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 3402
[2024-12-02 06:35:08,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:08,846 INFO  L225             Difference]: With dead ends: 14925
[2024-12-02 06:35:08,846 INFO  L226             Difference]: Without dead ends: 6913
[2024-12-02 06:35:08,849 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:08,850 INFO  L435           NwaCegarLoop]: 9784 mSDtfsCounter, 1592 mSDsluCounter, 19125 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 28909 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:08,850 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 28909 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:35:08,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6913 states.
[2024-12-02 06:35:08,893 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913.
[2024-12-02 06:35:08,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6913 states, 6912 states have (on average 1.49609375) internal successors, (10341), 6912 states have internal predecessors, (10341), 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 06:35:08,904 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 10341 transitions.
[2024-12-02 06:35:08,904 INFO  L78                 Accepts]: Start accepts. Automaton has 6913 states and 10341 transitions. Word has length 3402
[2024-12-02 06:35:08,904 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:08,905 INFO  L471      AbstractCegarLoop]: Abstraction has 6913 states and 10341 transitions.
[2024-12-02 06:35:08,905 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 850.5) internal successors, (3402), 4 states have internal predecessors, (3402), 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 06:35:08,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 6913 states and 10341 transitions.
[2024-12-02 06:35:08,951 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3403
[2024-12-02 06:35:08,951 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:08,952 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:08,952 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 06:35:08,952 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:08,953 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:08,953 INFO  L85        PathProgramCache]: Analyzing trace with hash 1090012240, now seen corresponding path program 1 times
[2024-12-02 06:35:08,953 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:08,953 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598136143]
[2024-12-02 06:35:08,954 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:08,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:10,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:13,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:13,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:13,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598136143]
[2024-12-02 06:35:13,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598136143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:13,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:13,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:13,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885689949]
[2024-12-02 06:35:13,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:13,743 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:13,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:13,744 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:13,744 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:13,745 INFO  L87              Difference]: Start difference. First operand 6913 states and 10341 transitions. Second operand  has 5 states, 5 states have (on average 680.4) internal successors, (3402), 5 states have internal predecessors, (3402), 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 06:35:14,572 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:14,572 INFO  L93              Difference]: Finished difference Result 13296 states and 19890 transitions.
[2024-12-02 06:35:14,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:14,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.4) internal successors, (3402), 5 states have internal predecessors, (3402), 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 3402
[2024-12-02 06:35:14,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:14,577 INFO  L225             Difference]: With dead ends: 13296
[2024-12-02 06:35:14,577 INFO  L226             Difference]: Without dead ends: 6913
[2024-12-02 06:35:14,580 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:14,581 INFO  L435           NwaCegarLoop]: 9348 mSDtfsCounter, 9754 mSDsluCounter, 9343 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9754 SdHoareTripleChecker+Valid, 18691 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:14,581 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9754 Valid, 18691 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:35:14,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6913 states.
[2024-12-02 06:35:14,622 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913.
[2024-12-02 06:35:14,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6913 states, 6912 states have (on average 1.4959490740740742) internal successors, (10340), 6912 states have internal predecessors, (10340), 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 06:35:14,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 10340 transitions.
[2024-12-02 06:35:14,634 INFO  L78                 Accepts]: Start accepts. Automaton has 6913 states and 10340 transitions. Word has length 3402
[2024-12-02 06:35:14,634 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:14,634 INFO  L471      AbstractCegarLoop]: Abstraction has 6913 states and 10340 transitions.
[2024-12-02 06:35:14,635 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.4) internal successors, (3402), 5 states have internal predecessors, (3402), 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 06:35:14,635 INFO  L276                IsEmpty]: Start isEmpty. Operand 6913 states and 10340 transitions.
[2024-12-02 06:35:14,681 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3404
[2024-12-02 06:35:14,681 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:14,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:14,682 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 06:35:14,682 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:14,682 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:14,683 INFO  L85        PathProgramCache]: Analyzing trace with hash 941537239, now seen corresponding path program 1 times
[2024-12-02 06:35:14,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:14,683 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831240126]
[2024-12-02 06:35:14,683 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:14,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:17,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:20,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:20,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:20,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831240126]
[2024-12-02 06:35:20,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831240126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:20,446 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:20,446 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:20,447 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152242196]
[2024-12-02 06:35:20,447 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:20,448 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:20,448 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:20,449 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:20,449 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:20,450 INFO  L87              Difference]: Start difference. First operand 6913 states and 10340 transitions. Second operand  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 06:35:20,579 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:20,579 INFO  L93              Difference]: Finished difference Result 13297 states and 19890 transitions.
[2024-12-02 06:35:20,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:35:20,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 3403
[2024-12-02 06:35:20,580 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:20,584 INFO  L225             Difference]: With dead ends: 13297
[2024-12-02 06:35:20,584 INFO  L226             Difference]: Without dead ends: 6914
[2024-12-02 06:35:20,587 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:35:20,588 INFO  L435           NwaCegarLoop]: 9823 mSDtfsCounter, 9419 mSDsluCounter, 19641 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9419 SdHoareTripleChecker+Valid, 29464 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:20,588 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9419 Valid, 29464 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:35:20,595 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6914 states.
[2024-12-02 06:35:20,631 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6914.
[2024-12-02 06:35:20,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6914 states, 6913 states have (on average 1.49587733256184) internal successors, (10341), 6913 states have internal predecessors, (10341), 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 06:35:20,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 10341 transitions.
[2024-12-02 06:35:20,642 INFO  L78                 Accepts]: Start accepts. Automaton has 6914 states and 10341 transitions. Word has length 3403
[2024-12-02 06:35:20,643 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:20,643 INFO  L471      AbstractCegarLoop]: Abstraction has 6914 states and 10341 transitions.
[2024-12-02 06:35:20,643 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 06:35:20,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 6914 states and 10341 transitions.
[2024-12-02 06:35:20,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3404
[2024-12-02 06:35:20,689 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:20,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:20,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 06:35:20,690 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:20,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:20,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 75549591, now seen corresponding path program 1 times
[2024-12-02 06:35:20,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:20,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819664817]
[2024-12-02 06:35:20,691 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:20,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:23,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:26,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:26,957 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:26,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819664817]
[2024-12-02 06:35:26,957 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819664817] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:26,957 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:26,957 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:26,957 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438016711]
[2024-12-02 06:35:26,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:26,959 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:26,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:26,960 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:26,960 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:26,960 INFO  L87              Difference]: Start difference. First operand 6914 states and 10341 transitions. Second operand  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 06:35:27,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:27,474 INFO  L93              Difference]: Finished difference Result 13298 states and 19890 transitions.
[2024-12-02 06:35:27,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:27,475 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 3403
[2024-12-02 06:35:27,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:27,480 INFO  L225             Difference]: With dead ends: 13298
[2024-12-02 06:35:27,480 INFO  L226             Difference]: Without dead ends: 6914
[2024-12-02 06:35:27,483 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:35:27,484 INFO  L435           NwaCegarLoop]: 9520 mSDtfsCounter, 19139 mSDsluCounter, 9517 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19139 SdHoareTripleChecker+Valid, 19037 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:27,484 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19139 Valid, 19037 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:35:27,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6914 states.
[2024-12-02 06:35:27,531 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6914.
[2024-12-02 06:35:27,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6914 states, 6913 states have (on average 1.4957326775640098) internal successors, (10340), 6913 states have internal predecessors, (10340), 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 06:35:27,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 10340 transitions.
[2024-12-02 06:35:27,543 INFO  L78                 Accepts]: Start accepts. Automaton has 6914 states and 10340 transitions. Word has length 3403
[2024-12-02 06:35:27,543 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:27,543 INFO  L471      AbstractCegarLoop]: Abstraction has 6914 states and 10340 transitions.
[2024-12-02 06:35:27,544 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.6) internal successors, (3403), 5 states have internal predecessors, (3403), 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 06:35:27,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 6914 states and 10340 transitions.
[2024-12-02 06:35:27,637 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3405
[2024-12-02 06:35:27,637 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:27,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:27,638 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 06:35:27,638 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:27,639 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:27,639 INFO  L85        PathProgramCache]: Analyzing trace with hash -1728421271, now seen corresponding path program 1 times
[2024-12-02 06:35:27,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:27,639 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392065781]
[2024-12-02 06:35:27,640 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:27,640 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:28,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:31,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:31,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:31,189 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392065781]
[2024-12-02 06:35:31,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392065781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:31,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:31,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:35:31,190 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606482168]
[2024-12-02 06:35:31,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:31,192 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:35:31,192 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:31,194 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:35:31,195 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:31,195 INFO  L87              Difference]: Start difference. First operand 6914 states and 10340 transitions. Second operand  has 4 states, 4 states have (on average 851.0) internal successors, (3404), 4 states have internal predecessors, (3404), 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 06:35:31,875 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:31,875 INFO  L93              Difference]: Finished difference Result 14906 states and 22298 transitions.
[2024-12-02 06:35:31,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:31,876 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 851.0) internal successors, (3404), 4 states have internal predecessors, (3404), 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 3404
[2024-12-02 06:35:31,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:31,881 INFO  L225             Difference]: With dead ends: 14906
[2024-12-02 06:35:31,881 INFO  L226             Difference]: Without dead ends: 6914
[2024-12-02 06:35:31,885 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:31,885 INFO  L435           NwaCegarLoop]: 9787 mSDtfsCounter, 1576 mSDsluCounter, 19127 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 28914 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:31,886 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 28914 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:35:31,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6914 states.
[2024-12-02 06:35:31,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6914.
[2024-12-02 06:35:31,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6914 states, 6913 states have (on average 1.4955880225661797) internal successors, (10339), 6913 states have internal predecessors, (10339), 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 06:35:31,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 10339 transitions.
[2024-12-02 06:35:31,940 INFO  L78                 Accepts]: Start accepts. Automaton has 6914 states and 10339 transitions. Word has length 3404
[2024-12-02 06:35:31,940 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:31,940 INFO  L471      AbstractCegarLoop]: Abstraction has 6914 states and 10339 transitions.
[2024-12-02 06:35:31,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 851.0) internal successors, (3404), 4 states have internal predecessors, (3404), 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 06:35:31,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 6914 states and 10339 transitions.
[2024-12-02 06:35:31,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3405
[2024-12-02 06:35:31,986 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:31,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:31,986 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 06:35:31,986 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:31,987 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:31,988 INFO  L85        PathProgramCache]: Analyzing trace with hash -283504776, now seen corresponding path program 1 times
[2024-12-02 06:35:31,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:31,988 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965803001]
[2024-12-02 06:35:31,988 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:31,988 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:33,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:36,383 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:36,383 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:36,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965803001]
[2024-12-02 06:35:36,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965803001] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:36,384 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:36,384 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:36,384 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947326822]
[2024-12-02 06:35:36,384 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:36,385 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:36,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:36,387 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:36,387 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:36,387 INFO  L87              Difference]: Start difference. First operand 6914 states and 10339 transitions. Second operand  has 5 states, 5 states have (on average 680.8) internal successors, (3404), 5 states have internal predecessors, (3404), 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 06:35:37,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:37,145 INFO  L93              Difference]: Finished difference Result 13298 states and 19886 transitions.
[2024-12-02 06:35:37,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:37,146 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 680.8) internal successors, (3404), 5 states have internal predecessors, (3404), 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 3404
[2024-12-02 06:35:37,146 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:37,150 INFO  L225             Difference]: With dead ends: 13298
[2024-12-02 06:35:37,150 INFO  L226             Difference]: Without dead ends: 6914
[2024-12-02 06:35:37,153 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:37,154 INFO  L435           NwaCegarLoop]: 9347 mSDtfsCounter, 9733 mSDsluCounter, 9343 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9733 SdHoareTripleChecker+Valid, 18690 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:37,154 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9733 Valid, 18690 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:35:37,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6914 states.
[2024-12-02 06:35:37,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6914.
[2024-12-02 06:35:37,202 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6914 states, 6913 states have (on average 1.4954433675683494) internal successors, (10338), 6913 states have internal predecessors, (10338), 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 06:35:37,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 10338 transitions.
[2024-12-02 06:35:37,209 INFO  L78                 Accepts]: Start accepts. Automaton has 6914 states and 10338 transitions. Word has length 3404
[2024-12-02 06:35:37,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:37,209 INFO  L471      AbstractCegarLoop]: Abstraction has 6914 states and 10338 transitions.
[2024-12-02 06:35:37,210 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 680.8) internal successors, (3404), 5 states have internal predecessors, (3404), 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 06:35:37,210 INFO  L276                IsEmpty]: Start isEmpty. Operand 6914 states and 10338 transitions.
[2024-12-02 06:35:37,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3406
[2024-12-02 06:35:37,256 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:37,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:37,256 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 06:35:37,257 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:37,257 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:37,258 INFO  L85        PathProgramCache]: Analyzing trace with hash -1553426353, now seen corresponding path program 1 times
[2024-12-02 06:35:37,258 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:37,258 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036550886]
[2024-12-02 06:35:37,258 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:37,258 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:39,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:43,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:43,404 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:43,404 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036550886]
[2024-12-02 06:35:43,404 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036550886] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:43,404 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:43,404 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:43,404 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026632542]
[2024-12-02 06:35:43,404 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:43,406 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:43,406 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:43,407 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:43,407 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:43,407 INFO  L87              Difference]: Start difference. First operand 6914 states and 10338 transitions. Second operand  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 06:35:43,550 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:43,551 INFO  L93              Difference]: Finished difference Result 13299 states and 19886 transitions.
[2024-12-02 06:35:43,551 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:35:43,552 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 3405
[2024-12-02 06:35:43,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:43,556 INFO  L225             Difference]: With dead ends: 13299
[2024-12-02 06:35:43,556 INFO  L226             Difference]: Without dead ends: 6915
[2024-12-02 06:35:43,559 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:35:43,559 INFO  L435           NwaCegarLoop]: 9818 mSDtfsCounter, 9404 mSDsluCounter, 19631 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9404 SdHoareTripleChecker+Valid, 29449 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:43,559 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9404 Valid, 29449 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:35:43,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6915 states.
[2024-12-02 06:35:43,615 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6915.
[2024-12-02 06:35:43,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6915 states, 6914 states have (on average 1.4953717095747758) internal successors, (10339), 6914 states have internal predecessors, (10339), 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 06:35:43,625 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6915 states to 6915 states and 10339 transitions.
[2024-12-02 06:35:43,625 INFO  L78                 Accepts]: Start accepts. Automaton has 6915 states and 10339 transitions. Word has length 3405
[2024-12-02 06:35:43,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:43,626 INFO  L471      AbstractCegarLoop]: Abstraction has 6915 states and 10339 transitions.
[2024-12-02 06:35:43,626 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 06:35:43,626 INFO  L276                IsEmpty]: Start isEmpty. Operand 6915 states and 10339 transitions.
[2024-12-02 06:35:43,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3406
[2024-12-02 06:35:43,671 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:43,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:43,672 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 06:35:43,672 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:43,672 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:43,673 INFO  L85        PathProgramCache]: Analyzing trace with hash 1138514959, now seen corresponding path program 1 times
[2024-12-02 06:35:43,673 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:43,673 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830390387]
[2024-12-02 06:35:43,673 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:43,673 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:46,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:49,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:49,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:49,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830390387]
[2024-12-02 06:35:49,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830390387] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:49,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:49,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:49,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221474665]
[2024-12-02 06:35:49,746 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:49,747 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:49,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:49,749 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:49,749 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:49,750 INFO  L87              Difference]: Start difference. First operand 6915 states and 10339 transitions. Second operand  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 06:35:50,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:50,260 INFO  L93              Difference]: Finished difference Result 13300 states and 19886 transitions.
[2024-12-02 06:35:50,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:50,261 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 3405
[2024-12-02 06:35:50,262 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:50,266 INFO  L225             Difference]: With dead ends: 13300
[2024-12-02 06:35:50,266 INFO  L226             Difference]: Without dead ends: 6915
[2024-12-02 06:35:50,269 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:35:50,269 INFO  L435           NwaCegarLoop]: 9518 mSDtfsCounter, 19105 mSDsluCounter, 9515 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19105 SdHoareTripleChecker+Valid, 19033 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:50,269 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19105 Valid, 19033 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:35:50,274 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6915 states.
[2024-12-02 06:35:50,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6915.
[2024-12-02 06:35:50,315 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6915 states, 6914 states have (on average 1.4952270754989876) internal successors, (10338), 6914 states have internal predecessors, (10338), 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 06:35:50,322 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6915 states to 6915 states and 10338 transitions.
[2024-12-02 06:35:50,322 INFO  L78                 Accepts]: Start accepts. Automaton has 6915 states and 10338 transitions. Word has length 3405
[2024-12-02 06:35:50,322 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:50,322 INFO  L471      AbstractCegarLoop]: Abstraction has 6915 states and 10338 transitions.
[2024-12-02 06:35:50,323 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.0) internal successors, (3405), 5 states have internal predecessors, (3405), 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 06:35:50,323 INFO  L276                IsEmpty]: Start isEmpty. Operand 6915 states and 10338 transitions.
[2024-12-02 06:35:50,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3407
[2024-12-02 06:35:50,368 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:50,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:50,369 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 06:35:50,369 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:50,370 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:50,370 INFO  L85        PathProgramCache]: Analyzing trace with hash -949588086, now seen corresponding path program 1 times
[2024-12-02 06:35:50,370 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:50,370 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620139615]
[2024-12-02 06:35:50,371 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:50,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:50,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:53,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:53,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:53,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620139615]
[2024-12-02 06:35:53,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620139615] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:53,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:53,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:35:53,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935169558]
[2024-12-02 06:35:53,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:53,058 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:35:53,058 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:53,060 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:35:53,060 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:53,061 INFO  L87              Difference]: Start difference. First operand 6915 states and 10338 transitions. Second operand  has 4 states, 4 states have (on average 851.5) internal successors, (3406), 4 states have internal predecessors, (3406), 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 06:35:53,680 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:35:53,680 INFO  L93              Difference]: Finished difference Result 14886 states and 22261 transitions.
[2024-12-02 06:35:53,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:35:53,681 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 851.5) internal successors, (3406), 4 states have internal predecessors, (3406), 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 3406
[2024-12-02 06:35:53,682 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:35:53,686 INFO  L225             Difference]: With dead ends: 14886
[2024-12-02 06:35:53,686 INFO  L226             Difference]: Without dead ends: 6915
[2024-12-02 06:35:53,690 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:35:53,690 INFO  L435           NwaCegarLoop]: 9792 mSDtfsCounter, 1560 mSDsluCounter, 19131 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 28923 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:35:53,690 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 28923 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:35:53,695 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6915 states.
[2024-12-02 06:35:53,732 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6915.
[2024-12-02 06:35:53,737 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6915 states, 6914 states have (on average 1.4950824414231993) internal successors, (10337), 6914 states have internal predecessors, (10337), 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 06:35:53,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6915 states to 6915 states and 10337 transitions.
[2024-12-02 06:35:53,743 INFO  L78                 Accepts]: Start accepts. Automaton has 6915 states and 10337 transitions. Word has length 3406
[2024-12-02 06:35:53,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:35:53,743 INFO  L471      AbstractCegarLoop]: Abstraction has 6915 states and 10337 transitions.
[2024-12-02 06:35:53,744 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 851.5) internal successors, (3406), 4 states have internal predecessors, (3406), 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 06:35:53,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 6915 states and 10337 transitions.
[2024-12-02 06:35:53,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3407
[2024-12-02 06:35:53,790 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:35:53,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:53,791 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 06:35:53,791 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:35:53,791 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:35:53,792 INFO  L85        PathProgramCache]: Analyzing trace with hash -531760359, now seen corresponding path program 1 times
[2024-12-02 06:35:53,792 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:35:53,792 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175440899]
[2024-12-02 06:35:53,792 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:35:53,792 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:35:55,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:35:59,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:35:59,391 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:35:59,391 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175440899]
[2024-12-02 06:35:59,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175440899] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:35:59,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:35:59,392 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:35:59,392 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005387887]
[2024-12-02 06:35:59,392 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:35:59,393 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:35:59,393 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:35:59,394 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:35:59,394 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:35:59,395 INFO  L87              Difference]: Start difference. First operand 6915 states and 10337 transitions. Second operand  has 5 states, 5 states have (on average 681.2) internal successors, (3406), 5 states have internal predecessors, (3406), 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 06:36:00,255 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:00,255 INFO  L93              Difference]: Finished difference Result 13300 states and 19882 transitions.
[2024-12-02 06:36:00,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:00,256 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.2) internal successors, (3406), 5 states have internal predecessors, (3406), 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 3406
[2024-12-02 06:36:00,257 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:00,260 INFO  L225             Difference]: With dead ends: 13300
[2024-12-02 06:36:00,261 INFO  L226             Difference]: Without dead ends: 6915
[2024-12-02 06:36:00,264 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:00,264 INFO  L435           NwaCegarLoop]: 9346 mSDtfsCounter, 9716 mSDsluCounter, 9342 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9716 SdHoareTripleChecker+Valid, 18688 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:00,264 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9716 Valid, 18688 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:36:00,269 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6915 states.
[2024-12-02 06:36:00,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6915 to 6915.
[2024-12-02 06:36:00,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6915 states, 6914 states have (on average 1.494937807347411) internal successors, (10336), 6914 states have internal predecessors, (10336), 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 06:36:00,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6915 states to 6915 states and 10336 transitions.
[2024-12-02 06:36:00,317 INFO  L78                 Accepts]: Start accepts. Automaton has 6915 states and 10336 transitions. Word has length 3406
[2024-12-02 06:36:00,318 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:00,318 INFO  L471      AbstractCegarLoop]: Abstraction has 6915 states and 10336 transitions.
[2024-12-02 06:36:00,318 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.2) internal successors, (3406), 5 states have internal predecessors, (3406), 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 06:36:00,318 INFO  L276                IsEmpty]: Start isEmpty. Operand 6915 states and 10336 transitions.
[2024-12-02 06:36:00,452 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3408
[2024-12-02 06:36:00,452 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:00,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:00,453 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 06:36:00,453 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:00,454 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:00,455 INFO  L85        PathProgramCache]: Analyzing trace with hash -627985945, now seen corresponding path program 1 times
[2024-12-02 06:36:00,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:00,455 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981742528]
[2024-12-02 06:36:00,456 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:00,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:02,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:06,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:06,672 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:06,672 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981742528]
[2024-12-02 06:36:06,672 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981742528] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:06,672 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:06,673 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:06,673 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508727848]
[2024-12-02 06:36:06,673 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:06,675 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:06,675 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:06,678 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:06,678 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:06,678 INFO  L87              Difference]: Start difference. First operand 6915 states and 10336 transitions. Second operand  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 06:36:06,870 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:06,870 INFO  L93              Difference]: Finished difference Result 13301 states and 19882 transitions.
[2024-12-02 06:36:06,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:36:06,871 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 3407
[2024-12-02 06:36:06,871 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:06,876 INFO  L225             Difference]: With dead ends: 13301
[2024-12-02 06:36:06,876 INFO  L226             Difference]: Without dead ends: 6916
[2024-12-02 06:36:06,880 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:36:06,880 INFO  L435           NwaCegarLoop]: 9815 mSDtfsCounter, 9387 mSDsluCounter, 19625 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9387 SdHoareTripleChecker+Valid, 29440 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:06,881 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9387 Valid, 29440 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:36:06,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6916 states.
[2024-12-02 06:36:06,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6916 to 6916.
[2024-12-02 06:36:06,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6916 states, 6915 states have (on average 1.4948662328271873) internal successors, (10337), 6915 states have internal predecessors, (10337), 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 06:36:06,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6916 states to 6916 states and 10337 transitions.
[2024-12-02 06:36:06,961 INFO  L78                 Accepts]: Start accepts. Automaton has 6916 states and 10337 transitions. Word has length 3407
[2024-12-02 06:36:06,962 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:06,962 INFO  L471      AbstractCegarLoop]: Abstraction has 6916 states and 10337 transitions.
[2024-12-02 06:36:06,963 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 06:36:06,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 6916 states and 10337 transitions.
[2024-12-02 06:36:07,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3408
[2024-12-02 06:36:07,098 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:07,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:07,099 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 06:36:07,099 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:07,099 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:07,100 INFO  L85        PathProgramCache]: Analyzing trace with hash 1438455207, now seen corresponding path program 1 times
[2024-12-02 06:36:07,100 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:07,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002461518]
[2024-12-02 06:36:07,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:07,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:10,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:13,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:13,713 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:13,713 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002461518]
[2024-12-02 06:36:13,713 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002461518] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:13,713 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:13,714 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:13,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734089694]
[2024-12-02 06:36:13,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:13,715 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:13,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:13,716 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:13,716 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:13,717 INFO  L87              Difference]: Start difference. First operand 6916 states and 10337 transitions. Second operand  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 06:36:14,253 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:14,254 INFO  L93              Difference]: Finished difference Result 13302 states and 19882 transitions.
[2024-12-02 06:36:14,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:14,255 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 3407
[2024-12-02 06:36:14,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:14,259 INFO  L225             Difference]: With dead ends: 13302
[2024-12-02 06:36:14,259 INFO  L226             Difference]: Without dead ends: 6916
[2024-12-02 06:36:14,263 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:36:14,263 INFO  L435           NwaCegarLoop]: 9518 mSDtfsCounter, 19047 mSDsluCounter, 9515 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19047 SdHoareTripleChecker+Valid, 19033 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:14,263 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19047 Valid, 19033 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:36:14,268 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6916 states.
[2024-12-02 06:36:14,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6916 to 6916.
[2024-12-02 06:36:14,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6916 states, 6915 states have (on average 1.4947216196673898) internal successors, (10336), 6915 states have internal predecessors, (10336), 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 06:36:14,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6916 states to 6916 states and 10336 transitions.
[2024-12-02 06:36:14,318 INFO  L78                 Accepts]: Start accepts. Automaton has 6916 states and 10336 transitions. Word has length 3407
[2024-12-02 06:36:14,318 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:14,318 INFO  L471      AbstractCegarLoop]: Abstraction has 6916 states and 10336 transitions.
[2024-12-02 06:36:14,319 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.4) internal successors, (3407), 5 states have internal predecessors, (3407), 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 06:36:14,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 6916 states and 10336 transitions.
[2024-12-02 06:36:14,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3409
[2024-12-02 06:36:14,365 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:14,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:14,366 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 06:36:14,366 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:14,367 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:14,367 INFO  L85        PathProgramCache]: Analyzing trace with hash -1995485850, now seen corresponding path program 1 times
[2024-12-02 06:36:14,367 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:14,367 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872307784]
[2024-12-02 06:36:14,367 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:14,368 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:14,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:17,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:17,191 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:17,191 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872307784]
[2024-12-02 06:36:17,191 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872307784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:17,191 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:17,192 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:36:17,192 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264721110]
[2024-12-02 06:36:17,192 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:17,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:36:17,193 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:17,195 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:36:17,195 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:36:17,195 INFO  L87              Difference]: Start difference. First operand 6916 states and 10336 transitions. Second operand  has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 06:36:17,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:17,791 INFO  L93              Difference]: Finished difference Result 14839 states and 22183 transitions.
[2024-12-02 06:36:17,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:17,792 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 3408
[2024-12-02 06:36:17,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:17,797 INFO  L225             Difference]: With dead ends: 14839
[2024-12-02 06:36:17,797 INFO  L226             Difference]: Without dead ends: 6916
[2024-12-02 06:36:17,800 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:36:17,801 INFO  L435           NwaCegarLoop]: 9800 mSDtfsCounter, 1518 mSDsluCounter, 19138 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 28938 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:17,801 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 28938 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:36:17,806 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6916 states.
[2024-12-02 06:36:17,842 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6916 to 6916.
[2024-12-02 06:36:17,847 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6916 states, 6915 states have (on average 1.4945770065075923) internal successors, (10335), 6915 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 06:36:17,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6916 states to 6916 states and 10335 transitions.
[2024-12-02 06:36:17,854 INFO  L78                 Accepts]: Start accepts. Automaton has 6916 states and 10335 transitions. Word has length 3408
[2024-12-02 06:36:17,854 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:17,854 INFO  L471      AbstractCegarLoop]: Abstraction has 6916 states and 10335 transitions.
[2024-12-02 06:36:17,855 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 06:36:17,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 6916 states and 10335 transitions.
[2024-12-02 06:36:17,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3409
[2024-12-02 06:36:17,904 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:17,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:17,904 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 06:36:17,904 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:17,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:17,905 INFO  L85        PathProgramCache]: Analyzing trace with hash -300689931, now seen corresponding path program 1 times
[2024-12-02 06:36:17,905 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:17,905 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427695697]
[2024-12-02 06:36:17,905 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:17,905 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:19,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:22,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:22,762 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:22,762 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427695697]
[2024-12-02 06:36:22,762 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427695697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:22,762 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:22,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:22,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565419136]
[2024-12-02 06:36:22,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:22,764 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:22,764 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:22,766 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:22,766 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:22,767 INFO  L87              Difference]: Start difference. First operand 6916 states and 10335 transitions. Second operand  has 5 states, 5 states have (on average 681.6) internal successors, (3408), 5 states have internal predecessors, (3408), 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 06:36:23,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:23,522 INFO  L93              Difference]: Finished difference Result 13302 states and 19878 transitions.
[2024-12-02 06:36:23,522 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:23,523 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.6) internal successors, (3408), 5 states have internal predecessors, (3408), 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 3408
[2024-12-02 06:36:23,523 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:23,527 INFO  L225             Difference]: With dead ends: 13302
[2024-12-02 06:36:23,527 INFO  L226             Difference]: Without dead ends: 6916
[2024-12-02 06:36:23,530 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:23,531 INFO  L435           NwaCegarLoop]: 9345 mSDtfsCounter, 9693 mSDsluCounter, 9340 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9693 SdHoareTripleChecker+Valid, 18685 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:23,531 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9693 Valid, 18685 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:36:23,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6916 states.
[2024-12-02 06:36:23,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6916 to 6916.
[2024-12-02 06:36:23,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6916 states, 6915 states have (on average 1.4944323933477945) internal successors, (10334), 6915 states have internal predecessors, (10334), 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 06:36:23,584 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6916 states to 6916 states and 10334 transitions.
[2024-12-02 06:36:23,584 INFO  L78                 Accepts]: Start accepts. Automaton has 6916 states and 10334 transitions. Word has length 3408
[2024-12-02 06:36:23,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:23,584 INFO  L471      AbstractCegarLoop]: Abstraction has 6916 states and 10334 transitions.
[2024-12-02 06:36:23,585 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.6) internal successors, (3408), 5 states have internal predecessors, (3408), 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 06:36:23,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 6916 states and 10334 transitions.
[2024-12-02 06:36:23,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3410
[2024-12-02 06:36:23,631 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:23,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:23,631 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-12-02 06:36:23,631 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:23,632 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:23,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 417127423, now seen corresponding path program 1 times
[2024-12-02 06:36:23,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:23,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216206526]
[2024-12-02 06:36:23,633 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:23,633 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:26,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:31,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:31,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:31,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216206526]
[2024-12-02 06:36:31,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216206526] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:31,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:31,291 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:31,291 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240674614]
[2024-12-02 06:36:31,291 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:31,293 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:31,293 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:31,295 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:31,295 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:31,296 INFO  L87              Difference]: Start difference. First operand 6916 states and 10334 transitions. Second operand  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 06:36:31,441 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:31,442 INFO  L93              Difference]: Finished difference Result 13303 states and 19878 transitions.
[2024-12-02 06:36:31,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:36:31,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 3409
[2024-12-02 06:36:31,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:31,447 INFO  L225             Difference]: With dead ends: 13303
[2024-12-02 06:36:31,447 INFO  L226             Difference]: Without dead ends: 6917
[2024-12-02 06:36:31,451 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:36:31,451 INFO  L435           NwaCegarLoop]: 9814 mSDtfsCounter, 9358 mSDsluCounter, 19623 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9358 SdHoareTripleChecker+Valid, 29437 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:31,451 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9358 Valid, 29437 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:36:31,457 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6917 states.
[2024-12-02 06:36:31,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6917 to 6917.
[2024-12-02 06:36:31,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6917 states, 6916 states have (on average 1.494360902255639) internal successors, (10335), 6916 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 06:36:31,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6917 states to 6917 states and 10335 transitions.
[2024-12-02 06:36:31,504 INFO  L78                 Accepts]: Start accepts. Automaton has 6917 states and 10335 transitions. Word has length 3409
[2024-12-02 06:36:31,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:31,505 INFO  L471      AbstractCegarLoop]: Abstraction has 6917 states and 10335 transitions.
[2024-12-02 06:36:31,505 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 06:36:31,505 INFO  L276                IsEmpty]: Start isEmpty. Operand 6917 states and 10335 transitions.
[2024-12-02 06:36:31,608 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3410
[2024-12-02 06:36:31,608 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:31,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:31,608 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-12-02 06:36:31,608 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:31,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:31,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 1288142783, now seen corresponding path program 1 times
[2024-12-02 06:36:31,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:31,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708468408]
[2024-12-02 06:36:31,610 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:31,610 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:34,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:38,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:38,015 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:38,015 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708468408]
[2024-12-02 06:36:38,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708468408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:38,016 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:38,016 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:38,016 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349646498]
[2024-12-02 06:36:38,016 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:38,018 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:38,018 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:38,019 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:38,019 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:38,020 INFO  L87              Difference]: Start difference. First operand 6917 states and 10335 transitions. Second operand  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 06:36:38,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:38,530 INFO  L93              Difference]: Finished difference Result 13304 states and 19878 transitions.
[2024-12-02 06:36:38,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:38,531 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 3409
[2024-12-02 06:36:38,531 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:38,536 INFO  L225             Difference]: With dead ends: 13304
[2024-12-02 06:36:38,536 INFO  L226             Difference]: Without dead ends: 6917
[2024-12-02 06:36:38,539 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:36:38,539 INFO  L435           NwaCegarLoop]: 9514 mSDtfsCounter, 9682 mSDsluCounter, 9512 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9682 SdHoareTripleChecker+Valid, 19026 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:38,539 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9682 Valid, 19026 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:36:38,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6917 states.
[2024-12-02 06:36:38,582 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6917 to 6917.
[2024-12-02 06:36:38,588 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6917 states, 6916 states have (on average 1.4942163100057837) internal successors, (10334), 6916 states have internal predecessors, (10334), 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 06:36:38,594 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6917 states to 6917 states and 10334 transitions.
[2024-12-02 06:36:38,594 INFO  L78                 Accepts]: Start accepts. Automaton has 6917 states and 10334 transitions. Word has length 3409
[2024-12-02 06:36:38,594 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:38,594 INFO  L471      AbstractCegarLoop]: Abstraction has 6917 states and 10334 transitions.
[2024-12-02 06:36:38,595 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 681.8) internal successors, (3409), 5 states have internal predecessors, (3409), 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 06:36:38,595 INFO  L276                IsEmpty]: Start isEmpty. Operand 6917 states and 10334 transitions.
[2024-12-02 06:36:38,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3411
[2024-12-02 06:36:38,641 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:38,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:38,642 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-12-02 06:36:38,642 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:38,642 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:38,643 INFO  L85        PathProgramCache]: Analyzing trace with hash -1289023442, now seen corresponding path program 1 times
[2024-12-02 06:36:38,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:38,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698306840]
[2024-12-02 06:36:38,643 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:38,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:39,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:41,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:41,478 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:41,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698306840]
[2024-12-02 06:36:41,478 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698306840] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:41,478 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:41,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:36:41,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653918958]
[2024-12-02 06:36:41,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:41,480 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:36:41,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:41,481 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:36:41,481 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:36:41,482 INFO  L87              Difference]: Start difference. First operand 6917 states and 10334 transitions. Second operand  has 4 states, 4 states have (on average 852.5) internal successors, (3410), 4 states have internal predecessors, (3410), 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 06:36:42,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:42,115 INFO  L93              Difference]: Finished difference Result 14821 states and 22149 transitions.
[2024-12-02 06:36:42,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:42,116 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 852.5) internal successors, (3410), 4 states have internal predecessors, (3410), 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 3410
[2024-12-02 06:36:42,117 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:42,121 INFO  L225             Difference]: With dead ends: 14821
[2024-12-02 06:36:42,121 INFO  L226             Difference]: Without dead ends: 6917
[2024-12-02 06:36:42,125 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:36:42,125 INFO  L435           NwaCegarLoop]: 9803 mSDtfsCounter, 1502 mSDsluCounter, 19140 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 28943 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:42,125 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 28943 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 06:36:42,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6917 states.
[2024-12-02 06:36:42,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6917 to 6917.
[2024-12-02 06:36:42,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6917 states, 6916 states have (on average 1.4940717177559282) internal successors, (10333), 6916 states have internal predecessors, (10333), 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 06:36:42,180 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6917 states to 6917 states and 10333 transitions.
[2024-12-02 06:36:42,181 INFO  L78                 Accepts]: Start accepts. Automaton has 6917 states and 10333 transitions. Word has length 3410
[2024-12-02 06:36:42,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:42,181 INFO  L471      AbstractCegarLoop]: Abstraction has 6917 states and 10333 transitions.
[2024-12-02 06:36:42,182 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 852.5) internal successors, (3410), 4 states have internal predecessors, (3410), 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 06:36:42,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 6917 states and 10333 transitions.
[2024-12-02 06:36:42,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3411
[2024-12-02 06:36:42,228 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:42,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:42,228 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-12-02 06:36:42,228 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:42,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:42,229 INFO  L85        PathProgramCache]: Analyzing trace with hash -1023987843, now seen corresponding path program 1 times
[2024-12-02 06:36:42,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:42,229 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402331612]
[2024-12-02 06:36:42,230 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:42,230 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:43,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:46,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:46,689 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:46,689 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402331612]
[2024-12-02 06:36:46,689 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402331612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:46,689 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:46,689 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:46,689 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465730485]
[2024-12-02 06:36:46,689 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:46,690 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:46,690 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:46,692 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:46,692 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:46,692 INFO  L87              Difference]: Start difference. First operand 6917 states and 10333 transitions. Second operand  has 5 states, 5 states have (on average 682.0) internal successors, (3410), 5 states have internal predecessors, (3410), 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 06:36:47,534 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:47,534 INFO  L93              Difference]: Finished difference Result 13304 states and 19874 transitions.
[2024-12-02 06:36:47,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:36:47,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.0) internal successors, (3410), 5 states have internal predecessors, (3410), 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 3410
[2024-12-02 06:36:47,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:47,540 INFO  L225             Difference]: With dead ends: 13304
[2024-12-02 06:36:47,540 INFO  L226             Difference]: Without dead ends: 6917
[2024-12-02 06:36:47,543 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:47,543 INFO  L435           NwaCegarLoop]: 9344 mSDtfsCounter, 9672 mSDsluCounter, 9340 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9672 SdHoareTripleChecker+Valid, 18684 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:47,543 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9672 Valid, 18684 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:36:47,548 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6917 states.
[2024-12-02 06:36:47,587 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6917 to 6917.
[2024-12-02 06:36:47,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6917 states, 6916 states have (on average 1.4939271255060729) internal successors, (10332), 6916 states have internal predecessors, (10332), 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 06:36:47,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6917 states to 6917 states and 10332 transitions.
[2024-12-02 06:36:47,599 INFO  L78                 Accepts]: Start accepts. Automaton has 6917 states and 10332 transitions. Word has length 3410
[2024-12-02 06:36:47,599 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:47,599 INFO  L471      AbstractCegarLoop]: Abstraction has 6917 states and 10332 transitions.
[2024-12-02 06:36:47,600 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.0) internal successors, (3410), 5 states have internal predecessors, (3410), 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 06:36:47,600 INFO  L276                IsEmpty]: Start isEmpty. Operand 6917 states and 10332 transitions.
[2024-12-02 06:36:47,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3412
[2024-12-02 06:36:47,647 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:47,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:47,648 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-12-02 06:36:47,648 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:47,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:47,649 INFO  L85        PathProgramCache]: Analyzing trace with hash -57437673, now seen corresponding path program 1 times
[2024-12-02 06:36:47,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:47,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165334462]
[2024-12-02 06:36:47,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:47,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:50,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:36:54,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:36:54,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:36:54,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165334462]
[2024-12-02 06:36:54,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165334462] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:36:54,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:36:54,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:36:54,287 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936907153]
[2024-12-02 06:36:54,287 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:36:54,288 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:36:54,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:36:54,290 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:36:54,290 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:36:54,290 INFO  L87              Difference]: Start difference. First operand 6917 states and 10332 transitions. Second operand  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 06:36:54,440 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:36:54,440 INFO  L93              Difference]: Finished difference Result 13305 states and 19874 transitions.
[2024-12-02 06:36:54,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:36:54,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 3411
[2024-12-02 06:36:54,442 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:36:54,446 INFO  L225             Difference]: With dead ends: 13305
[2024-12-02 06:36:54,446 INFO  L226             Difference]: Without dead ends: 6918
[2024-12-02 06:36:54,449 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:36:54,449 INFO  L435           NwaCegarLoop]: 9809 mSDtfsCounter, 9343 mSDsluCounter, 19613 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9343 SdHoareTripleChecker+Valid, 29422 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:36:54,449 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9343 Valid, 29422 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:36:54,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6918 states.
[2024-12-02 06:36:54,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6918.
[2024-12-02 06:36:54,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6918 states, 6917 states have (on average 1.4938557177967327) internal successors, (10333), 6917 states have internal predecessors, (10333), 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 06:36:54,505 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6918 states to 6918 states and 10333 transitions.
[2024-12-02 06:36:54,505 INFO  L78                 Accepts]: Start accepts. Automaton has 6918 states and 10333 transitions. Word has length 3411
[2024-12-02 06:36:54,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:36:54,505 INFO  L471      AbstractCegarLoop]: Abstraction has 6918 states and 10333 transitions.
[2024-12-02 06:36:54,506 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 06:36:54,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 6918 states and 10333 transitions.
[2024-12-02 06:36:54,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3412
[2024-12-02 06:36:54,553 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:36:54,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:36:54,554 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-12-02 06:36:54,554 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:36:54,554 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:36:54,555 INFO  L85        PathProgramCache]: Analyzing trace with hash -1425807913, now seen corresponding path program 1 times
[2024-12-02 06:36:54,555 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:36:54,555 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126238889]
[2024-12-02 06:36:54,555 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:36:54,555 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:36:57,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:00,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:00,932 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:00,932 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126238889]
[2024-12-02 06:37:00,933 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126238889] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:00,933 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:00,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:00,933 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791813184]
[2024-12-02 06:37:00,933 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:00,934 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:00,934 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:00,935 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:00,935 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:00,935 INFO  L87              Difference]: Start difference. First operand 6918 states and 10333 transitions. Second operand  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 06:37:01,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:01,454 INFO  L93              Difference]: Finished difference Result 13306 states and 19874 transitions.
[2024-12-02 06:37:01,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:01,455 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 3411
[2024-12-02 06:37:01,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:01,460 INFO  L225             Difference]: With dead ends: 13306
[2024-12-02 06:37:01,460 INFO  L226             Difference]: Without dead ends: 6918
[2024-12-02 06:37:01,463 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:37:01,463 INFO  L435           NwaCegarLoop]: 9512 mSDtfsCounter, 9665 mSDsluCounter, 9510 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9665 SdHoareTripleChecker+Valid, 19022 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:01,463 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9665 Valid, 19022 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:37:01,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6918 states.
[2024-12-02 06:37:01,505 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6918.
[2024-12-02 06:37:01,510 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6918 states, 6917 states have (on average 1.4937111464507735) internal successors, (10332), 6917 states have internal predecessors, (10332), 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 06:37:01,516 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6918 states to 6918 states and 10332 transitions.
[2024-12-02 06:37:01,516 INFO  L78                 Accepts]: Start accepts. Automaton has 6918 states and 10332 transitions. Word has length 3411
[2024-12-02 06:37:01,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:01,516 INFO  L471      AbstractCegarLoop]: Abstraction has 6918 states and 10332 transitions.
[2024-12-02 06:37:01,517 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.2) internal successors, (3411), 5 states have internal predecessors, (3411), 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 06:37:01,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 6918 states and 10332 transitions.
[2024-12-02 06:37:01,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3413
[2024-12-02 06:37:01,563 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:01,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:01,563 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-12-02 06:37:01,563 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:01,564 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:01,564 INFO  L85        PathProgramCache]: Analyzing trace with hash 1746743151, now seen corresponding path program 1 times
[2024-12-02 06:37:01,564 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:01,564 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968062027]
[2024-12-02 06:37:01,565 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:01,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:01,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:04,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:04,386 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:04,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968062027]
[2024-12-02 06:37:04,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968062027] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:04,387 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:04,387 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:37:04,387 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247128421]
[2024-12-02 06:37:04,387 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:04,388 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:37:04,388 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:04,389 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:37:04,390 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:37:04,390 INFO  L87              Difference]: Start difference. First operand 6918 states and 10332 transitions. Second operand  has 4 states, 4 states have (on average 853.0) internal successors, (3412), 4 states have internal predecessors, (3412), 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 06:37:04,930 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:04,930 INFO  L93              Difference]: Finished difference Result 14801 states and 22112 transitions.
[2024-12-02 06:37:04,930 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:04,931 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 853.0) internal successors, (3412), 4 states have internal predecessors, (3412), 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 3412
[2024-12-02 06:37:04,932 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:04,936 INFO  L225             Difference]: With dead ends: 14801
[2024-12-02 06:37:04,936 INFO  L226             Difference]: Without dead ends: 6918
[2024-12-02 06:37:04,939 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:37:04,940 INFO  L435           NwaCegarLoop]: 9808 mSDtfsCounter, 1486 mSDsluCounter, 19144 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 28952 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:04,940 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 28952 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:37:04,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6918 states.
[2024-12-02 06:37:04,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6918.
[2024-12-02 06:37:04,986 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6918 states, 6917 states have (on average 1.4935665751048142) internal successors, (10331), 6917 states have internal predecessors, (10331), 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 06:37:04,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6918 states to 6918 states and 10331 transitions.
[2024-12-02 06:37:04,993 INFO  L78                 Accepts]: Start accepts. Automaton has 6918 states and 10331 transitions. Word has length 3412
[2024-12-02 06:37:04,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:04,993 INFO  L471      AbstractCegarLoop]: Abstraction has 6918 states and 10331 transitions.
[2024-12-02 06:37:04,994 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 853.0) internal successors, (3412), 4 states have internal predecessors, (3412), 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 06:37:04,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 6918 states and 10331 transitions.
[2024-12-02 06:37:05,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3413
[2024-12-02 06:37:05,040 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:05,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:05,041 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-12-02 06:37:05,041 INFO  L396      AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:05,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:05,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 370838846, now seen corresponding path program 1 times
[2024-12-02 06:37:05,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:05,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259453950]
[2024-12-02 06:37:05,042 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:05,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:06,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:09,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:09,225 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:09,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259453950]
[2024-12-02 06:37:09,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259453950] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:09,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:09,225 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:09,225 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082040332]
[2024-12-02 06:37:09,225 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:09,227 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:09,227 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:09,228 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:09,228 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:09,228 INFO  L87              Difference]: Start difference. First operand 6918 states and 10331 transitions. Second operand  has 5 states, 5 states have (on average 682.4) internal successors, (3412), 5 states have internal predecessors, (3412), 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 06:37:10,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:10,035 INFO  L93              Difference]: Finished difference Result 13306 states and 19870 transitions.
[2024-12-02 06:37:10,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:10,036 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.4) internal successors, (3412), 5 states have internal predecessors, (3412), 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 3412
[2024-12-02 06:37:10,036 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:10,041 INFO  L225             Difference]: With dead ends: 13306
[2024-12-02 06:37:10,041 INFO  L226             Difference]: Without dead ends: 6918
[2024-12-02 06:37:10,044 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:10,044 INFO  L435           NwaCegarLoop]: 9343 mSDtfsCounter, 9655 mSDsluCounter, 9339 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9655 SdHoareTripleChecker+Valid, 18682 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:10,045 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9655 Valid, 18682 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:37:10,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6918 states.
[2024-12-02 06:37:10,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6918.
[2024-12-02 06:37:10,094 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6918 states, 6917 states have (on average 1.493422003758855) internal successors, (10330), 6917 states have internal predecessors, (10330), 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 06:37:10,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6918 states to 6918 states and 10330 transitions.
[2024-12-02 06:37:10,100 INFO  L78                 Accepts]: Start accepts. Automaton has 6918 states and 10330 transitions. Word has length 3412
[2024-12-02 06:37:10,100 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:10,101 INFO  L471      AbstractCegarLoop]: Abstraction has 6918 states and 10330 transitions.
[2024-12-02 06:37:10,101 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.4) internal successors, (3412), 5 states have internal predecessors, (3412), 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 06:37:10,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 6918 states and 10330 transitions.
[2024-12-02 06:37:10,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3414
[2024-12-02 06:37:10,149 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:10,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:10,149 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-12-02 06:37:10,149 INFO  L396      AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:10,150 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:10,150 INFO  L85        PathProgramCache]: Analyzing trace with hash 1490030927, now seen corresponding path program 1 times
[2024-12-02 06:37:10,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:10,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427219487]
[2024-12-02 06:37:10,150 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:10,150 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:13,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:16,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:16,670 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:16,671 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427219487]
[2024-12-02 06:37:16,671 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427219487] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:16,671 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:16,671 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:16,671 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041902232]
[2024-12-02 06:37:16,671 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:16,672 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:16,672 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:16,673 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:16,673 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:16,673 INFO  L87              Difference]: Start difference. First operand 6918 states and 10330 transitions. Second operand  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 06:37:16,812 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:16,812 INFO  L93              Difference]: Finished difference Result 13307 states and 19870 transitions.
[2024-12-02 06:37:16,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:37:16,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 3413
[2024-12-02 06:37:16,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:16,817 INFO  L225             Difference]: With dead ends: 13307
[2024-12-02 06:37:16,818 INFO  L226             Difference]: Without dead ends: 6919
[2024-12-02 06:37:16,821 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:37:16,821 INFO  L435           NwaCegarLoop]: 9806 mSDtfsCounter, 9326 mSDsluCounter, 19607 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9326 SdHoareTripleChecker+Valid, 29413 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:16,821 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9326 Valid, 29413 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:37:16,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6919 states.
[2024-12-02 06:37:16,864 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6919 to 6919.
[2024-12-02 06:37:16,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6919 states, 6918 states have (on average 1.493350679387106) internal successors, (10331), 6918 states have internal predecessors, (10331), 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 06:37:16,875 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 10331 transitions.
[2024-12-02 06:37:16,875 INFO  L78                 Accepts]: Start accepts. Automaton has 6919 states and 10331 transitions. Word has length 3413
[2024-12-02 06:37:16,876 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:16,876 INFO  L471      AbstractCegarLoop]: Abstraction has 6919 states and 10331 transitions.
[2024-12-02 06:37:16,876 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 06:37:16,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 6919 states and 10331 transitions.
[2024-12-02 06:37:16,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3414
[2024-12-02 06:37:16,924 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:16,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:16,925 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-12-02 06:37:16,925 INFO  L396      AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:16,925 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:16,926 INFO  L85        PathProgramCache]: Analyzing trace with hash 206570767, now seen corresponding path program 1 times
[2024-12-02 06:37:16,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:16,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872667686]
[2024-12-02 06:37:16,926 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:16,926 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:20,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:24,489 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:24,489 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:24,489 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872667686]
[2024-12-02 06:37:24,489 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872667686] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:24,489 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:24,489 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:24,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21694570]
[2024-12-02 06:37:24,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:24,490 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:24,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:24,491 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:24,491 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:24,492 INFO  L87              Difference]: Start difference. First operand 6919 states and 10331 transitions. Second operand  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 06:37:25,136 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:25,136 INFO  L93              Difference]: Finished difference Result 13308 states and 19870 transitions.
[2024-12-02 06:37:25,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:25,137 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 3413
[2024-12-02 06:37:25,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:25,140 INFO  L225             Difference]: With dead ends: 13308
[2024-12-02 06:37:25,141 INFO  L226             Difference]: Without dead ends: 6919
[2024-12-02 06:37:25,143 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:37:25,143 INFO  L435           NwaCegarLoop]: 9510 mSDtfsCounter, 17497 mSDsluCounter, 9507 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17497 SdHoareTripleChecker+Valid, 19017 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:25,143 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17497 Valid, 19017 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:37:25,148 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6919 states.
[2024-12-02 06:37:25,183 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6919 to 6919.
[2024-12-02 06:37:25,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6919 states, 6918 states have (on average 1.4932061289389997) internal successors, (10330), 6918 states have internal predecessors, (10330), 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 06:37:25,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 10330 transitions.
[2024-12-02 06:37:25,194 INFO  L78                 Accepts]: Start accepts. Automaton has 6919 states and 10330 transitions. Word has length 3413
[2024-12-02 06:37:25,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:25,195 INFO  L471      AbstractCegarLoop]: Abstraction has 6919 states and 10330 transitions.
[2024-12-02 06:37:25,195 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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 06:37:25,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 6919 states and 10330 transitions.
[2024-12-02 06:37:25,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3415
[2024-12-02 06:37:25,242 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:25,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:25,242 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-12-02 06:37:25,242 INFO  L396      AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:25,243 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:25,243 INFO  L85        PathProgramCache]: Analyzing trace with hash -401399901, now seen corresponding path program 1 times
[2024-12-02 06:37:25,243 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:25,243 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710120237]
[2024-12-02 06:37:25,243 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:25,243 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:25,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:28,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:28,320 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:28,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710120237]
[2024-12-02 06:37:28,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710120237] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:28,320 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:28,321 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:37:28,321 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422143187]
[2024-12-02 06:37:28,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:28,322 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:37:28,322 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:28,323 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:37:28,323 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:37:28,323 INFO  L87              Difference]: Start difference. First operand 6919 states and 10330 transitions. Second operand  has 4 states, 4 states have (on average 853.5) internal successors, (3414), 4 states have internal predecessors, (3414), 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 06:37:28,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:28,823 INFO  L93              Difference]: Finished difference Result 13329 states and 19897 transitions.
[2024-12-02 06:37:28,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:28,824 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 853.5) internal successors, (3414), 4 states have internal predecessors, (3414), 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 3414
[2024-12-02 06:37:28,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:28,829 INFO  L225             Difference]: With dead ends: 13329
[2024-12-02 06:37:28,829 INFO  L226             Difference]: Without dead ends: 6919
[2024-12-02 06:37:28,832 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:37:28,832 INFO  L435           NwaCegarLoop]: 9812 mSDtfsCounter, 18 mSDsluCounter, 19147 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 28959 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:28,832 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 28959 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:37:28,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6919 states.
[2024-12-02 06:37:28,877 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6919 to 6919.
[2024-12-02 06:37:28,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6919 states, 6918 states have (on average 1.4930615784908934) internal successors, (10329), 6918 states have internal predecessors, (10329), 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 06:37:28,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 10329 transitions.
[2024-12-02 06:37:28,889 INFO  L78                 Accepts]: Start accepts. Automaton has 6919 states and 10329 transitions. Word has length 3414
[2024-12-02 06:37:28,889 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:28,889 INFO  L471      AbstractCegarLoop]: Abstraction has 6919 states and 10329 transitions.
[2024-12-02 06:37:28,890 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 853.5) internal successors, (3414), 4 states have internal predecessors, (3414), 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 06:37:28,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 6919 states and 10329 transitions.
[2024-12-02 06:37:29,086 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3415
[2024-12-02 06:37:29,086 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:29,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:29,087 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-12-02 06:37:29,087 INFO  L396      AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:29,087 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:29,088 INFO  L85        PathProgramCache]: Analyzing trace with hash 750340402, now seen corresponding path program 1 times
[2024-12-02 06:37:29,088 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:29,088 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78602609]
[2024-12-02 06:37:29,088 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:29,088 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:30,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:34,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:34,019 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:34,020 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78602609]
[2024-12-02 06:37:34,020 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78602609] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:34,020 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:34,020 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:34,020 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144857619]
[2024-12-02 06:37:34,020 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:34,022 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:34,022 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:34,023 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:34,023 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:34,024 INFO  L87              Difference]: Start difference. First operand 6919 states and 10329 transitions. Second operand  has 5 states, 5 states have (on average 682.8) internal successors, (3414), 5 states have internal predecessors, (3414), 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 06:37:34,759 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:34,759 INFO  L93              Difference]: Finished difference Result 13308 states and 19866 transitions.
[2024-12-02 06:37:34,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:34,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 682.8) internal successors, (3414), 5 states have internal predecessors, (3414), 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 3414
[2024-12-02 06:37:34,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:34,765 INFO  L225             Difference]: With dead ends: 13308
[2024-12-02 06:37:34,765 INFO  L226             Difference]: Without dead ends: 6919
[2024-12-02 06:37:34,768 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:34,769 INFO  L435           NwaCegarLoop]: 9342 mSDtfsCounter, 8918 mSDsluCounter, 9337 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8918 SdHoareTripleChecker+Valid, 18679 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:34,769 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8918 Valid, 18679 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:37:34,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6919 states.
[2024-12-02 06:37:34,812 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6919 to 6919.
[2024-12-02 06:37:34,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6919 states, 6918 states have (on average 1.492917028042787) internal successors, (10328), 6918 states have internal predecessors, (10328), 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 06:37:34,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 10328 transitions.
[2024-12-02 06:37:34,823 INFO  L78                 Accepts]: Start accepts. Automaton has 6919 states and 10328 transitions. Word has length 3414
[2024-12-02 06:37:34,824 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:34,824 INFO  L471      AbstractCegarLoop]: Abstraction has 6919 states and 10328 transitions.
[2024-12-02 06:37:34,824 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 682.8) internal successors, (3414), 5 states have internal predecessors, (3414), 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 06:37:34,824 INFO  L276                IsEmpty]: Start isEmpty. Operand 6919 states and 10328 transitions.
[2024-12-02 06:37:34,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3416
[2024-12-02 06:37:34,870 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:34,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:34,871 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-12-02 06:37:34,871 INFO  L396      AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:34,872 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:34,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -97571321, now seen corresponding path program 1 times
[2024-12-02 06:37:34,872 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:34,872 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321895993]
[2024-12-02 06:37:34,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:34,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:37,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:41,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:41,368 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:41,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321895993]
[2024-12-02 06:37:41,368 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321895993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:41,368 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:41,368 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:41,368 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126656389]
[2024-12-02 06:37:41,368 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:41,369 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:41,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:41,370 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:41,370 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:41,371 INFO  L87              Difference]: Start difference. First operand 6919 states and 10328 transitions. Second operand  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:41,511 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:41,511 INFO  L93              Difference]: Finished difference Result 13309 states and 19866 transitions.
[2024-12-02 06:37:41,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:37:41,512 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 3415
[2024-12-02 06:37:41,512 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:41,516 INFO  L225             Difference]: With dead ends: 13309
[2024-12-02 06:37:41,516 INFO  L226             Difference]: Without dead ends: 6920
[2024-12-02 06:37:41,520 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:37:41,520 INFO  L435           NwaCegarLoop]: 9803 mSDtfsCounter, 8583 mSDsluCounter, 19601 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8583 SdHoareTripleChecker+Valid, 29404 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:41,520 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8583 Valid, 29404 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:37:41,526 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6920 states.
[2024-12-02 06:37:41,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6920 to 6920.
[2024-12-02 06:37:41,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6920 states, 6919 states have (on average 1.492845786963434) internal successors, (10329), 6919 states have internal predecessors, (10329), 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 06:37:41,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6920 states to 6920 states and 10329 transitions.
[2024-12-02 06:37:41,576 INFO  L78                 Accepts]: Start accepts. Automaton has 6920 states and 10329 transitions. Word has length 3415
[2024-12-02 06:37:41,577 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:41,577 INFO  L471      AbstractCegarLoop]: Abstraction has 6920 states and 10329 transitions.
[2024-12-02 06:37:41,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:41,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 6920 states and 10329 transitions.
[2024-12-02 06:37:41,623 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3416
[2024-12-02 06:37:41,623 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:41,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:41,624 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-12-02 06:37:41,624 INFO  L396      AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:41,625 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:41,625 INFO  L85        PathProgramCache]: Analyzing trace with hash 906105287, now seen corresponding path program 1 times
[2024-12-02 06:37:41,625 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:41,625 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541437744]
[2024-12-02 06:37:41,625 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:41,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:44,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:48,020 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:48,020 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:48,021 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541437744]
[2024-12-02 06:37:48,021 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541437744] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:48,021 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:48,021 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:48,021 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884768962]
[2024-12-02 06:37:48,021 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:48,023 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:48,023 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:48,025 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:48,025 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:48,026 INFO  L87              Difference]: Start difference. First operand 6920 states and 10329 transitions. Second operand  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:48,226 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:48,226 INFO  L93              Difference]: Finished difference Result 13311 states and 19868 transitions.
[2024-12-02 06:37:48,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:37:48,227 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 3415
[2024-12-02 06:37:48,228 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:48,231 INFO  L225             Difference]: With dead ends: 13311
[2024-12-02 06:37:48,231 INFO  L226             Difference]: Without dead ends: 6921
[2024-12-02 06:37:48,232 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:37:48,233 INFO  L435           NwaCegarLoop]: 9805 mSDtfsCounter, 8569 mSDsluCounter, 19605 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8569 SdHoareTripleChecker+Valid, 29410 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:48,233 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8569 Valid, 29410 Invalid, 58 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:37:48,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6921 states.
[2024-12-02 06:37:48,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6921 to 6921.
[2024-12-02 06:37:48,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6921 states, 6920 states have (on average 1.4927745664739884) internal successors, (10330), 6920 states have internal predecessors, (10330), 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 06:37:48,282 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6921 states to 6921 states and 10330 transitions.
[2024-12-02 06:37:48,282 INFO  L78                 Accepts]: Start accepts. Automaton has 6921 states and 10330 transitions. Word has length 3415
[2024-12-02 06:37:48,282 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:48,282 INFO  L471      AbstractCegarLoop]: Abstraction has 6921 states and 10330 transitions.
[2024-12-02 06:37:48,283 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:48,283 INFO  L276                IsEmpty]: Start isEmpty. Operand 6921 states and 10330 transitions.
[2024-12-02 06:37:48,328 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3416
[2024-12-02 06:37:48,328 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:48,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:48,329 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-12-02 06:37:48,329 INFO  L396      AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:48,329 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:48,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 176850311, now seen corresponding path program 1 times
[2024-12-02 06:37:48,330 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:48,330 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502861344]
[2024-12-02 06:37:48,330 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:48,330 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:51,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:37:54,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:37:54,975 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:37:54,975 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502861344]
[2024-12-02 06:37:54,975 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502861344] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:37:54,975 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:37:54,975 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:37:54,976 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143856974]
[2024-12-02 06:37:54,976 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:37:54,977 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:37:54,978 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:37:54,980 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:37:54,980 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:37:54,980 INFO  L87              Difference]: Start difference. First operand 6921 states and 10330 transitions. Second operand  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:55,496 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:37:55,496 INFO  L93              Difference]: Finished difference Result 13312 states and 19868 transitions.
[2024-12-02 06:37:55,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:37:55,497 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 3415
[2024-12-02 06:37:55,523 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:37:55,527 INFO  L225             Difference]: With dead ends: 13312
[2024-12-02 06:37:55,527 INFO  L226             Difference]: Without dead ends: 6921
[2024-12-02 06:37:55,529 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:37:55,530 INFO  L435           NwaCegarLoop]: 9508 mSDtfsCounter, 17399 mSDsluCounter, 9505 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17399 SdHoareTripleChecker+Valid, 19013 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:37:55,530 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17399 Valid, 19013 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:37:55,534 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6921 states.
[2024-12-02 06:37:55,567 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6921 to 6921.
[2024-12-02 06:37:55,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6921 states, 6920 states have (on average 1.4926300578034681) internal successors, (10329), 6920 states have internal predecessors, (10329), 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 06:37:55,578 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6921 states to 6921 states and 10329 transitions.
[2024-12-02 06:37:55,579 INFO  L78                 Accepts]: Start accepts. Automaton has 6921 states and 10329 transitions. Word has length 3415
[2024-12-02 06:37:55,579 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:37:55,579 INFO  L471      AbstractCegarLoop]: Abstraction has 6921 states and 10329 transitions.
[2024-12-02 06:37:55,580 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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 06:37:55,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 6921 states and 10329 transitions.
[2024-12-02 06:37:55,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3417
[2024-12-02 06:37:55,627 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:37:55,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:55,627 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-12-02 06:37:55,627 INFO  L396      AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:37:55,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:37:55,628 INFO  L85        PathProgramCache]: Analyzing trace with hash -1015914194, now seen corresponding path program 1 times
[2024-12-02 06:37:55,628 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:37:55,628 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747101666]
[2024-12-02 06:37:55,629 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:37:55,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:37:58,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:02,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:02,498 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:02,498 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747101666]
[2024-12-02 06:38:02,498 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747101666] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:02,498 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:02,499 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:38:02,499 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40612293]
[2024-12-02 06:38:02,499 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:02,500 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:38:02,500 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:02,501 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:38:02,501 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:02,501 INFO  L87              Difference]: Start difference. First operand 6921 states and 10329 transitions. Second operand  has 4 states, 4 states have (on average 854.0) internal successors, (3416), 4 states have internal predecessors, (3416), 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 06:38:03,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:03,234 INFO  L93              Difference]: Finished difference Result 13312 states and 19866 transitions.
[2024-12-02 06:38:03,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:38:03,235 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 854.0) internal successors, (3416), 4 states have internal predecessors, (3416), 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 3416
[2024-12-02 06:38:03,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:03,240 INFO  L225             Difference]: With dead ends: 13312
[2024-12-02 06:38:03,240 INFO  L226             Difference]: Without dead ends: 6921
[2024-12-02 06:38:03,243 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:03,244 INFO  L435           NwaCegarLoop]: 9341 mSDtfsCounter, 8526 mSDsluCounter, 9335 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8526 SdHoareTripleChecker+Valid, 18676 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:03,244 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8526 Valid, 18676 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:38:03,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6921 states.
[2024-12-02 06:38:03,287 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6921 to 6921.
[2024-12-02 06:38:03,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6921 states, 6920 states have (on average 1.4923410404624278) internal successors, (10327), 6920 states have internal predecessors, (10327), 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 06:38:03,299 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6921 states to 6921 states and 10327 transitions.
[2024-12-02 06:38:03,299 INFO  L78                 Accepts]: Start accepts. Automaton has 6921 states and 10327 transitions. Word has length 3416
[2024-12-02 06:38:03,300 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:03,300 INFO  L471      AbstractCegarLoop]: Abstraction has 6921 states and 10327 transitions.
[2024-12-02 06:38:03,300 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 854.0) internal successors, (3416), 4 states have internal predecessors, (3416), 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 06:38:03,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 6921 states and 10327 transitions.
[2024-12-02 06:38:03,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3418
[2024-12-02 06:38:03,346 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:03,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:03,347 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-12-02 06:38:03,347 INFO  L396      AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:03,348 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:03,348 INFO  L85        PathProgramCache]: Analyzing trace with hash 1996334303, now seen corresponding path program 1 times
[2024-12-02 06:38:03,348 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:03,348 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084434015]
[2024-12-02 06:38:03,348 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:03,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:06,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:10,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:10,977 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:10,977 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084434015]
[2024-12-02 06:38:10,977 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084434015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:10,977 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:10,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:10,978 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602655550]
[2024-12-02 06:38:10,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:10,979 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:10,979 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:10,980 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:10,981 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:10,981 INFO  L87              Difference]: Start difference. First operand 6921 states and 10327 transitions. Second operand  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 06:38:11,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:11,130 INFO  L93              Difference]: Finished difference Result 13313 states and 19864 transitions.
[2024-12-02 06:38:11,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:38:11,131 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 3417
[2024-12-02 06:38:11,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:11,136 INFO  L225             Difference]: With dead ends: 13313
[2024-12-02 06:38:11,136 INFO  L226             Difference]: Without dead ends: 6922
[2024-12-02 06:38:11,140 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:38:11,140 INFO  L435           NwaCegarLoop]: 9800 mSDtfsCounter, 8534 mSDsluCounter, 19595 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8534 SdHoareTripleChecker+Valid, 29395 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:11,140 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8534 Valid, 29395 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:38:11,146 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6922 states.
[2024-12-02 06:38:11,184 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6922 to 6922.
[2024-12-02 06:38:11,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6922 states, 6921 states have (on average 1.49226990319318) internal successors, (10328), 6921 states have internal predecessors, (10328), 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 06:38:11,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6922 states to 6922 states and 10328 transitions.
[2024-12-02 06:38:11,196 INFO  L78                 Accepts]: Start accepts. Automaton has 6922 states and 10328 transitions. Word has length 3417
[2024-12-02 06:38:11,196 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:11,196 INFO  L471      AbstractCegarLoop]: Abstraction has 6922 states and 10328 transitions.
[2024-12-02 06:38:11,197 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 06:38:11,197 INFO  L276                IsEmpty]: Start isEmpty. Operand 6922 states and 10328 transitions.
[2024-12-02 06:38:11,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3418
[2024-12-02 06:38:11,421 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:11,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:11,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-12-02 06:38:11,422 INFO  L396      AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:11,422 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:11,422 INFO  L85        PathProgramCache]: Analyzing trace with hash -1472780129, now seen corresponding path program 1 times
[2024-12-02 06:38:11,423 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:11,423 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570612943]
[2024-12-02 06:38:11,423 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:11,423 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:13,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:18,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:18,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:18,096 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570612943]
[2024-12-02 06:38:18,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570612943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:18,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:18,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:18,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615942356]
[2024-12-02 06:38:18,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:18,098 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:18,098 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:18,099 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:18,099 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:18,099 INFO  L87              Difference]: Start difference. First operand 6922 states and 10328 transitions. Second operand  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 06:38:18,572 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:18,573 INFO  L93              Difference]: Finished difference Result 13314 states and 19864 transitions.
[2024-12-02 06:38:18,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:38:18,574 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 3417
[2024-12-02 06:38:18,574 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:18,578 INFO  L225             Difference]: With dead ends: 13314
[2024-12-02 06:38:18,578 INFO  L226             Difference]: Without dead ends: 6922
[2024-12-02 06:38:18,581 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:38:18,582 INFO  L435           NwaCegarLoop]: 9508 mSDtfsCounter, 8856 mSDsluCounter, 9506 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8856 SdHoareTripleChecker+Valid, 19014 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:18,582 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8856 Valid, 19014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:38:18,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6922 states.
[2024-12-02 06:38:18,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6922 to 6922.
[2024-12-02 06:38:18,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6922 states, 6921 states have (on average 1.4921254154023984) internal successors, (10327), 6921 states have internal predecessors, (10327), 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 06:38:18,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6922 states to 6922 states and 10327 transitions.
[2024-12-02 06:38:18,635 INFO  L78                 Accepts]: Start accepts. Automaton has 6922 states and 10327 transitions. Word has length 3417
[2024-12-02 06:38:18,636 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:18,636 INFO  L471      AbstractCegarLoop]: Abstraction has 6922 states and 10327 transitions.
[2024-12-02 06:38:18,636 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.4) internal successors, (3417), 5 states have internal predecessors, (3417), 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 06:38:18,636 INFO  L276                IsEmpty]: Start isEmpty. Operand 6922 states and 10327 transitions.
[2024-12-02 06:38:18,681 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3419
[2024-12-02 06:38:18,681 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:18,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:18,682 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2024-12-02 06:38:18,682 INFO  L396      AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:18,682 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:18,682 INFO  L85        PathProgramCache]: Analyzing trace with hash -823590737, now seen corresponding path program 1 times
[2024-12-02 06:38:18,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:18,682 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956932664]
[2024-12-02 06:38:18,683 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:18,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:21,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:24,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:24,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:24,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956932664]
[2024-12-02 06:38:24,898 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956932664] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:24,898 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:24,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:38:24,899 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946408720]
[2024-12-02 06:38:24,899 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:24,901 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:38:24,901 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:24,902 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:38:24,902 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:24,903 INFO  L87              Difference]: Start difference. First operand 6922 states and 10327 transitions. Second operand  has 4 states, 4 states have (on average 854.5) internal successors, (3418), 4 states have internal predecessors, (3418), 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 06:38:25,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:25,728 INFO  L93              Difference]: Finished difference Result 13314 states and 19862 transitions.
[2024-12-02 06:38:25,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:38:25,729 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 854.5) internal successors, (3418), 4 states have internal predecessors, (3418), 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 3418
[2024-12-02 06:38:25,730 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:25,734 INFO  L225             Difference]: With dead ends: 13314
[2024-12-02 06:38:25,734 INFO  L226             Difference]: Without dead ends: 6922
[2024-12-02 06:38:25,738 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:25,738 INFO  L435           NwaCegarLoop]: 9340 mSDtfsCounter, 8509 mSDsluCounter, 9334 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8509 SdHoareTripleChecker+Valid, 18674 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:25,738 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8509 Valid, 18674 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 06:38:25,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6922 states.
[2024-12-02 06:38:25,804 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6922 to 6922.
[2024-12-02 06:38:25,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6922 states, 6921 states have (on average 1.4918364398208352) internal successors, (10325), 6921 states have internal predecessors, (10325), 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 06:38:25,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6922 states to 6922 states and 10325 transitions.
[2024-12-02 06:38:25,815 INFO  L78                 Accepts]: Start accepts. Automaton has 6922 states and 10325 transitions. Word has length 3418
[2024-12-02 06:38:25,815 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:25,815 INFO  L471      AbstractCegarLoop]: Abstraction has 6922 states and 10325 transitions.
[2024-12-02 06:38:25,816 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 854.5) internal successors, (3418), 4 states have internal predecessors, (3418), 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 06:38:25,816 INFO  L276                IsEmpty]: Start isEmpty. Operand 6922 states and 10325 transitions.
[2024-12-02 06:38:25,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3420
[2024-12-02 06:38:25,861 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:25,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:25,861 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2024-12-02 06:38:25,862 INFO  L396      AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:25,862 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:25,863 INFO  L85        PathProgramCache]: Analyzing trace with hash 670812439, now seen corresponding path program 1 times
[2024-12-02 06:38:25,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:25,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227473125]
[2024-12-02 06:38:25,863 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:25,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:28,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:32,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:32,301 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:32,301 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227473125]
[2024-12-02 06:38:32,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227473125] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:32,301 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:32,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:32,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793819855]
[2024-12-02 06:38:32,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:32,302 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:32,302 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:32,303 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:32,303 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:32,304 INFO  L87              Difference]: Start difference. First operand 6922 states and 10325 transitions. Second operand  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 06:38:32,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:32,439 INFO  L93              Difference]: Finished difference Result 13315 states and 19860 transitions.
[2024-12-02 06:38:32,439 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:38:32,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 3419
[2024-12-02 06:38:32,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:32,444 INFO  L225             Difference]: With dead ends: 13315
[2024-12-02 06:38:32,444 INFO  L226             Difference]: Without dead ends: 6923
[2024-12-02 06:38:32,448 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:38:32,448 INFO  L435           NwaCegarLoop]: 9799 mSDtfsCounter, 8517 mSDsluCounter, 19593 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 29392 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:32,448 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8517 Valid, 29392 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:38:32,453 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6923 states.
[2024-12-02 06:38:32,504 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 6923.
[2024-12-02 06:38:32,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6923 states, 6922 states have (on average 1.4917653857266686) internal successors, (10326), 6922 states have internal predecessors, (10326), 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 06:38:32,514 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6923 states to 6923 states and 10326 transitions.
[2024-12-02 06:38:32,514 INFO  L78                 Accepts]: Start accepts. Automaton has 6923 states and 10326 transitions. Word has length 3419
[2024-12-02 06:38:32,515 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:32,515 INFO  L471      AbstractCegarLoop]: Abstraction has 6923 states and 10326 transitions.
[2024-12-02 06:38:32,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 06:38:32,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 6923 states and 10326 transitions.
[2024-12-02 06:38:32,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3420
[2024-12-02 06:38:32,560 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:32,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:32,561 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2024-12-02 06:38:32,561 INFO  L396      AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:32,561 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:32,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -561189673, now seen corresponding path program 1 times
[2024-12-02 06:38:32,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:32,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646276089]
[2024-12-02 06:38:32,562 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:32,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:35,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:39,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:39,043 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:39,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646276089]
[2024-12-02 06:38:39,044 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646276089] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:39,044 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:39,044 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:39,044 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415792136]
[2024-12-02 06:38:39,044 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:39,045 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:39,045 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:39,046 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:39,046 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:39,047 INFO  L87              Difference]: Start difference. First operand 6923 states and 10326 transitions. Second operand  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 06:38:39,531 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:39,531 INFO  L93              Difference]: Finished difference Result 13316 states and 19860 transitions.
[2024-12-02 06:38:39,532 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:38:39,532 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 3419
[2024-12-02 06:38:39,533 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:39,538 INFO  L225             Difference]: With dead ends: 13316
[2024-12-02 06:38:39,538 INFO  L226             Difference]: Without dead ends: 6923
[2024-12-02 06:38:39,541 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:38:39,542 INFO  L435           NwaCegarLoop]: 9506 mSDtfsCounter, 8819 mSDsluCounter, 9504 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8819 SdHoareTripleChecker+Valid, 19010 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:39,542 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8819 Valid, 19010 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:38:39,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6923 states.
[2024-12-02 06:38:39,588 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 6923.
[2024-12-02 06:38:39,594 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6923 states, 6922 states have (on average 1.4916209188095926) internal successors, (10325), 6922 states have internal predecessors, (10325), 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 06:38:39,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6923 states to 6923 states and 10325 transitions.
[2024-12-02 06:38:39,600 INFO  L78                 Accepts]: Start accepts. Automaton has 6923 states and 10325 transitions. Word has length 3419
[2024-12-02 06:38:39,601 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:39,601 INFO  L471      AbstractCegarLoop]: Abstraction has 6923 states and 10325 transitions.
[2024-12-02 06:38:39,601 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 683.8) internal successors, (3419), 5 states have internal predecessors, (3419), 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 06:38:39,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 6923 states and 10325 transitions.
[2024-12-02 06:38:39,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3421
[2024-12-02 06:38:39,651 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:39,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:39,651 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2024-12-02 06:38:39,651 INFO  L396      AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:39,652 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:39,652 INFO  L85        PathProgramCache]: Analyzing trace with hash 51598474, now seen corresponding path program 1 times
[2024-12-02 06:38:39,652 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:39,652 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710311042]
[2024-12-02 06:38:39,652 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:39,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:42,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:45,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:45,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:45,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710311042]
[2024-12-02 06:38:45,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710311042] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:45,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:45,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:38:45,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349849358]
[2024-12-02 06:38:45,775 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:45,776 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:38:45,776 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:45,777 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:38:45,777 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:45,778 INFO  L87              Difference]: Start difference. First operand 6923 states and 10325 transitions. Second operand  has 4 states, 4 states have (on average 855.0) internal successors, (3420), 4 states have internal predecessors, (3420), 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 06:38:46,589 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:46,589 INFO  L93              Difference]: Finished difference Result 13316 states and 19858 transitions.
[2024-12-02 06:38:46,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:38:46,590 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 855.0) internal successors, (3420), 4 states have internal predecessors, (3420), 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 3420
[2024-12-02 06:38:46,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:46,595 INFO  L225             Difference]: With dead ends: 13316
[2024-12-02 06:38:46,595 INFO  L226             Difference]: Without dead ends: 6923
[2024-12-02 06:38:46,598 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:38:46,598 INFO  L435           NwaCegarLoop]: 9339 mSDtfsCounter, 8466 mSDsluCounter, 9334 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8466 SdHoareTripleChecker+Valid, 18673 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:46,599 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8466 Valid, 18673 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:38:46,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6923 states.
[2024-12-02 06:38:46,640 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 6923.
[2024-12-02 06:38:46,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6923 states, 6922 states have (on average 1.4913319849754407) internal successors, (10323), 6922 states have internal predecessors, (10323), 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 06:38:46,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6923 states to 6923 states and 10323 transitions.
[2024-12-02 06:38:46,652 INFO  L78                 Accepts]: Start accepts. Automaton has 6923 states and 10323 transitions. Word has length 3420
[2024-12-02 06:38:46,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:46,653 INFO  L471      AbstractCegarLoop]: Abstraction has 6923 states and 10323 transitions.
[2024-12-02 06:38:46,653 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 855.0) internal successors, (3420), 4 states have internal predecessors, (3420), 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 06:38:46,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 6923 states and 10323 transitions.
[2024-12-02 06:38:46,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3422
[2024-12-02 06:38:46,700 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:46,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:46,701 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2024-12-02 06:38:46,701 INFO  L396      AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:46,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:46,702 INFO  L85        PathProgramCache]: Analyzing trace with hash -1321508433, now seen corresponding path program 1 times
[2024-12-02 06:38:46,702 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:46,702 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102560394]
[2024-12-02 06:38:46,702 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:46,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:49,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:53,187 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:53,187 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:53,187 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102560394]
[2024-12-02 06:38:53,187 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102560394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:53,187 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:53,187 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:53,187 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736152017]
[2024-12-02 06:38:53,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:53,188 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:53,188 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:53,189 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:53,189 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:53,190 INFO  L87              Difference]: Start difference. First operand 6923 states and 10323 transitions. Second operand  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 06:38:53,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:38:53,324 INFO  L93              Difference]: Finished difference Result 13317 states and 19856 transitions.
[2024-12-02 06:38:53,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:38:53,325 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 3421
[2024-12-02 06:38:53,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:38:53,329 INFO  L225             Difference]: With dead ends: 13317
[2024-12-02 06:38:53,329 INFO  L226             Difference]: Without dead ends: 6924
[2024-12-02 06:38:53,332 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:38:53,333 INFO  L435           NwaCegarLoop]: 9796 mSDtfsCounter, 8480 mSDsluCounter, 19587 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8480 SdHoareTripleChecker+Valid, 29383 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:38:53,333 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8480 Valid, 29383 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:38:53,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6924 states.
[2024-12-02 06:38:53,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6924.
[2024-12-02 06:38:53,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6924 states, 6923 states have (on average 1.4912610140112668) internal successors, (10324), 6923 states have internal predecessors, (10324), 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 06:38:53,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6924 states to 6924 states and 10324 transitions.
[2024-12-02 06:38:53,396 INFO  L78                 Accepts]: Start accepts. Automaton has 6924 states and 10324 transitions. Word has length 3421
[2024-12-02 06:38:53,397 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:38:53,397 INFO  L471      AbstractCegarLoop]: Abstraction has 6924 states and 10324 transitions.
[2024-12-02 06:38:53,397 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 06:38:53,397 INFO  L276                IsEmpty]: Start isEmpty. Operand 6924 states and 10324 transitions.
[2024-12-02 06:38:53,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3422
[2024-12-02 06:38:53,442 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:38:53,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:53,442 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62
[2024-12-02 06:38:53,443 INFO  L396      AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:38:53,443 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:38:53,443 INFO  L85        PathProgramCache]: Analyzing trace with hash -951351953, now seen corresponding path program 1 times
[2024-12-02 06:38:53,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:38:53,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765673847]
[2024-12-02 06:38:53,444 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:38:53,444 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:38:56,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:38:59,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:38:59,903 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:38:59,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765673847]
[2024-12-02 06:38:59,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765673847] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:38:59,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:38:59,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:38:59,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138179107]
[2024-12-02 06:38:59,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:38:59,904 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:38:59,904 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:38:59,906 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:38:59,906 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:38:59,906 INFO  L87              Difference]: Start difference. First operand 6924 states and 10324 transitions. Second operand  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 06:39:00,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:39:00,379 INFO  L93              Difference]: Finished difference Result 13318 states and 19856 transitions.
[2024-12-02 06:39:00,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:39:00,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 3421
[2024-12-02 06:39:00,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:39:00,386 INFO  L225             Difference]: With dead ends: 13318
[2024-12-02 06:39:00,386 INFO  L226             Difference]: Without dead ends: 6924
[2024-12-02 06:39:00,389 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:39:00,389 INFO  L435           NwaCegarLoop]: 9504 mSDtfsCounter, 17181 mSDsluCounter, 9501 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17181 SdHoareTripleChecker+Valid, 19005 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:39:00,389 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17181 Valid, 19005 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:39:00,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6924 states.
[2024-12-02 06:39:00,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6924.
[2024-12-02 06:39:00,437 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6924 states, 6923 states have (on average 1.4911165679618663) internal successors, (10323), 6923 states have internal predecessors, (10323), 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 06:39:00,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6924 states to 6924 states and 10323 transitions.
[2024-12-02 06:39:00,444 INFO  L78                 Accepts]: Start accepts. Automaton has 6924 states and 10323 transitions. Word has length 3421
[2024-12-02 06:39:00,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:39:00,444 INFO  L471      AbstractCegarLoop]: Abstraction has 6924 states and 10323 transitions.
[2024-12-02 06:39:00,445 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 684.2) internal successors, (3421), 5 states have internal predecessors, (3421), 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 06:39:00,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 6924 states and 10323 transitions.
[2024-12-02 06:39:00,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3423
[2024-12-02 06:39:00,491 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:39:00,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:00,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63
[2024-12-02 06:39:00,492 INFO  L396      AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:39:00,492 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:39:00,493 INFO  L85        PathProgramCache]: Analyzing trace with hash 781042886, now seen corresponding path program 1 times
[2024-12-02 06:39:00,493 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:39:00,493 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036588941]
[2024-12-02 06:39:00,493 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:39:00,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:39:04,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:39:07,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:39:07,617 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:39:07,617 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036588941]
[2024-12-02 06:39:07,618 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036588941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:39:07,618 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:39:07,618 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:39:07,618 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112837398]
[2024-12-02 06:39:07,618 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:39:07,619 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:39:07,619 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:39:07,621 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:39:07,621 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:39:07,621 INFO  L87              Difference]: Start difference. First operand 6924 states and 10323 transitions. Second operand  has 4 states, 4 states have (on average 855.5) internal successors, (3422), 4 states have internal predecessors, (3422), 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 06:39:08,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:39:08,442 INFO  L93              Difference]: Finished difference Result 13318 states and 19854 transitions.
[2024-12-02 06:39:08,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:39:08,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 855.5) internal successors, (3422), 4 states have internal predecessors, (3422), 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 3422
[2024-12-02 06:39:08,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:39:08,448 INFO  L225             Difference]: With dead ends: 13318
[2024-12-02 06:39:08,448 INFO  L226             Difference]: Without dead ends: 6924
[2024-12-02 06:39:08,451 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:39:08,452 INFO  L435           NwaCegarLoop]: 9338 mSDtfsCounter, 8417 mSDsluCounter, 9332 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8417 SdHoareTripleChecker+Valid, 18670 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 06:39:08,452 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8417 Valid, 18670 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 06:39:08,457 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6924 states.
[2024-12-02 06:39:08,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6924.
[2024-12-02 06:39:08,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6924 states, 6923 states have (on average 1.4908276758630652) internal successors, (10321), 6923 states have internal predecessors, (10321), 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 06:39:08,505 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6924 states to 6924 states and 10321 transitions.
[2024-12-02 06:39:08,506 INFO  L78                 Accepts]: Start accepts. Automaton has 6924 states and 10321 transitions. Word has length 3422
[2024-12-02 06:39:08,506 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:39:08,506 INFO  L471      AbstractCegarLoop]: Abstraction has 6924 states and 10321 transitions.
[2024-12-02 06:39:08,507 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 855.5) internal successors, (3422), 4 states have internal predecessors, (3422), 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 06:39:08,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 6924 states and 10321 transitions.
[2024-12-02 06:39:08,552 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3424
[2024-12-02 06:39:08,552 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:39:08,552 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:08,552 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64
[2024-12-02 06:39:08,553 INFO  L396      AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:39:08,553 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:39:08,553 INFO  L85        PathProgramCache]: Analyzing trace with hash -1183187769, now seen corresponding path program 1 times
[2024-12-02 06:39:08,553 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:39:08,553 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382924751]
[2024-12-02 06:39:08,554 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:39:08,554 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:39:12,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:39:15,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:39:15,735 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:39:15,735 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382924751]
[2024-12-02 06:39:15,735 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382924751] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:39:15,735 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:39:15,735 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:39:15,735 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712255677]
[2024-12-02 06:39:15,735 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:39:15,736 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:39:15,737 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:39:15,738 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:39:15,738 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:39:15,739 INFO  L87              Difference]: Start difference. First operand 6924 states and 10321 transitions. Second operand  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 06:39:15,878 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:39:15,878 INFO  L93              Difference]: Finished difference Result 13319 states and 19852 transitions.
[2024-12-02 06:39:15,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 06:39:15,880 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 3423
[2024-12-02 06:39:15,881 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:39:15,885 INFO  L225             Difference]: With dead ends: 13319
[2024-12-02 06:39:15,885 INFO  L226             Difference]: Without dead ends: 6925
[2024-12-02 06:39:15,888 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:39:15,888 INFO  L435           NwaCegarLoop]: 9793 mSDtfsCounter, 8425 mSDsluCounter, 19581 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8425 SdHoareTripleChecker+Valid, 29374 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:39:15,888 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8425 Valid, 29374 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:39:15,894 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6925 states.
[2024-12-02 06:39:15,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6925 to 6925.
[2024-12-02 06:39:15,939 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6925 states, 6924 states have (on average 1.4907567879838244) internal successors, (10322), 6924 states have internal predecessors, (10322), 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 06:39:15,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6925 states to 6925 states and 10322 transitions.
[2024-12-02 06:39:15,945 INFO  L78                 Accepts]: Start accepts. Automaton has 6925 states and 10322 transitions. Word has length 3423
[2024-12-02 06:39:15,946 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:39:15,946 INFO  L471      AbstractCegarLoop]: Abstraction has 6925 states and 10322 transitions.
[2024-12-02 06:39:15,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 06:39:15,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 6925 states and 10322 transitions.
[2024-12-02 06:39:15,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3424
[2024-12-02 06:39:15,991 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:39:15,991 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:15,992 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65
[2024-12-02 06:39:15,992 INFO  L396      AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:39:15,992 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:39:15,992 INFO  L85        PathProgramCache]: Analyzing trace with hash 907972743, now seen corresponding path program 1 times
[2024-12-02 06:39:15,993 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:39:15,993 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558908180]
[2024-12-02 06:39:15,993 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:39:15,993 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:39:19,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:39:23,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:39:23,833 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:39:23,833 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558908180]
[2024-12-02 06:39:23,833 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558908180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:39:23,833 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:39:23,833 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:39:23,833 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130440056]
[2024-12-02 06:39:23,833 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:39:23,834 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:39:23,835 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:39:23,836 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:39:23,836 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:39:23,836 INFO  L87              Difference]: Start difference. First operand 6925 states and 10322 transitions. Second operand  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 06:39:24,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:39:24,343 INFO  L93              Difference]: Finished difference Result 13320 states and 19852 transitions.
[2024-12-02 06:39:24,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 06:39:24,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 3423
[2024-12-02 06:39:24,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:39:24,349 INFO  L225             Difference]: With dead ends: 13320
[2024-12-02 06:39:24,350 INFO  L226             Difference]: Without dead ends: 6925
[2024-12-02 06:39:24,353 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:39:24,353 INFO  L435           NwaCegarLoop]: 9502 mSDtfsCounter, 8691 mSDsluCounter, 9500 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8691 SdHoareTripleChecker+Valid, 19002 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:39:24,353 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8691 Valid, 19002 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:39:24,359 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6925 states.
[2024-12-02 06:39:24,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6925 to 6925.
[2024-12-02 06:39:24,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6925 states, 6924 states have (on average 1.4906123627960717) internal successors, (10321), 6924 states have internal predecessors, (10321), 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 06:39:24,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6925 states to 6925 states and 10321 transitions.
[2024-12-02 06:39:24,411 INFO  L78                 Accepts]: Start accepts. Automaton has 6925 states and 10321 transitions. Word has length 3423
[2024-12-02 06:39:24,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:39:24,411 INFO  L471      AbstractCegarLoop]: Abstraction has 6925 states and 10321 transitions.
[2024-12-02 06:39:24,412 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 684.6) internal successors, (3423), 5 states have internal predecessors, (3423), 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 06:39:24,412 INFO  L276                IsEmpty]: Start isEmpty. Operand 6925 states and 10321 transitions.
[2024-12-02 06:39:24,461 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3425
[2024-12-02 06:39:24,461 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 06:39:24,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:24,461 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66
[2024-12-02 06:39:24,462 INFO  L396      AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:39:24,462 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:39:24,462 INFO  L85        PathProgramCache]: Analyzing trace with hash -2126783416, now seen corresponding path program 1 times
[2024-12-02 06:39:24,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:39:24,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841427501]
[2024-12-02 06:39:24,463 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:39:24,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms