./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-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_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/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_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/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_413eb734-d0a8-4357-9de6-12b799a38656/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 594ba7f2cd795469cb4364f0ae6b5499d8c7bf93ae5cdd1c268db95fc5a86c8c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:27:32,467 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:27:32,530 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 15:27:32,536 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:27:32,536 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:27:32,561 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:27:32,561 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:27:32,562 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:27:32,562 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:27:32,562 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 15:27:32,562 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:27:32,562 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:27:32,563 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 15:27:32,563 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 15:27:32,563 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 15:27:32,564 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 15:27:32,564 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:32,565 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:32,565 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:27:32,565 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 15:27:32,566 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:27:32,566 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:27:32,566 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:27:32,566 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:27:32,566 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:27:32,566 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_413eb734-d0a8-4357-9de6-12b799a38656/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 -> 594ba7f2cd795469cb4364f0ae6b5499d8c7bf93ae5cdd1c268db95fc5a86c8c
[2024-12-02 15:27:32,846 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:27:32,855 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:27:32,858 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:27:32,860 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 15:27:32,860 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 15:27:32,861 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-func-interl.c
[2024-12-02 15:27:35,820 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/data/f024554c9/ee7717c93211470098c03c909352b323/FLAG1b77c379b
[2024-12-02 15:27:36,301 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 15:27:36,302 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-func-interl.c
[2024-12-02 15:27:36,338 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/data/f024554c9/ee7717c93211470098c03c909352b323/FLAG1b77c379b
[2024-12-02 15:27:36,355 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/data/f024554c9/ee7717c93211470098c03c909352b323
[2024-12-02 15:27:36,358 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:27:36,360 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:27:36,361 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:27:36,361 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:27:36,367 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:27:36,368 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:36" (1/1) ...
[2024-12-02 15:27:36,369 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:36, skipping insertion in model container
[2024-12-02 15:27:36,369 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:36" (1/1) ...
[2024-12-02 15:27:36,507 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:27:36,790 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_413eb734-d0a8-4357-9de6-12b799a38656/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-func-interl.c[1176,1189]
[2024-12-02 15:27:37,874 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:27:37,886 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 15:27:37,898 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_413eb734-d0a8-4357-9de6-12b799a38656/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.7.prop2-func-interl.c[1176,1189]
[2024-12-02 15:27:38,432 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:27:38,447 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 15:27:38,448 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38 WrapperNode
[2024-12-02 15:27:38,449 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:27:38,450 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:27:38,450 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:27:38,450 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:27:38,458 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:38,626 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:40,208 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23542
[2024-12-02 15:27:40,208 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:27:40,209 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:27:40,209 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:27:40,209 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:27:40,217 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:40,217 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:40,632 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:40,919 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 15:27:40,919 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:40,919 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:41,505 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:41,561 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:41,650 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:41,743 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:41,802 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:42,188 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:27:42,190 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:27:42,190 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:27:42,190 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:27:42,192 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (1/1) ...
[2024-12-02 15:27:42,198 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:27:42,214 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:27:42,230 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:27:42,234 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_413eb734-d0a8-4357-9de6-12b799a38656/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:27:42,268 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:27:42,269 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:27:42,269 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:27:42,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:27:44,095 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 15:27:44,098 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:28:37,220 INFO  L?                        ?]: Removed 14093 outVars from TransFormulas that were not future-live.
[2024-12-02 15:28:37,221 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 15:28:37,316 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:28:37,316 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 15:28:37,317 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:37 BoogieIcfgContainer
[2024-12-02 15:28:37,317 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:28:37,319 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:28:37,320 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:28:37,324 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:28:37,325 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:27:36" (1/3) ...
[2024-12-02 15:28:37,325 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a01037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:37, skipping insertion in model container
[2024-12-02 15:28:37,326 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:38" (2/3) ...
[2024-12-02 15:28:37,326 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a01037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:37, skipping insertion in model container
[2024-12-02 15:28:37,326 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:37" (3/3) ...
[2024-12-02 15:28:37,327 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cambridge.7.prop2-func-interl.c
[2024-12-02 15:28:37,344 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:28:37,346 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cambridge.7.prop2-func-interl.c that has 1 procedures, 7406 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 15:28:37,531 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:28:37,546 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;@53f25075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:28:37,546 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 15:28:37,571 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7406 states, 7404 states have (on average 1.5012155591572123) internal successors, (11115), 7405 states have internal predecessors, (11115), 0 states have call successors, (0), 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 15:28:37,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 256
[2024-12-02 15:28:37,591 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:28:37,592 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]
[2024-12-02 15:28:37,593 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:28:37,598 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:28:37,599 INFO  L85        PathProgramCache]: Analyzing trace with hash -1491099935, now seen corresponding path program 1 times
[2024-12-02 15:28:37,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:28:37,605 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376178340]
[2024-12-02 15:28:37,606 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:28:37,606 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:28:38,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:28:39,436 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 15:28:39,438 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:28:39,441 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376178340]
[2024-12-02 15:28:39,442 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376178340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:28:39,442 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:28:39,443 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:28:39,445 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126214951]
[2024-12-02 15:28:39,445 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:28:39,452 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:28:39,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:28:39,488 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:28:39,489 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:28:39,508 INFO  L87              Difference]: Start difference. First operand  has 7406 states, 7404 states have (on average 1.5012155591572123) internal successors, (11115), 7405 states have internal predecessors, (11115), 0 states have call successors, (0), 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 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 15:28:40,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:28:40,080 INFO  L93              Difference]: Finished difference Result 14513 states and 21785 transitions.
[2024-12-02 15:28:40,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:28:40,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 255
[2024-12-02 15:28:40,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:28:40,155 INFO  L225             Difference]: With dead ends: 14513
[2024-12-02 15:28:40,156 INFO  L226             Difference]: Without dead ends: 7405
[2024-12-02 15:28:40,181 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 15:28:40,188 INFO  L435           NwaCegarLoop]: 11109 mSDtfsCounter, 0 mSDsluCounter, 22212 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33321 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:28:40,193 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33321 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:28:40,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7405 states.
[2024-12-02 15:28:40,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7405 to 7405.
[2024-12-02 15:28:40,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7405 states, 7404 states have (on average 1.500945434900054) internal successors, (11113), 7404 states have internal predecessors, (11113), 0 states have call successors, (0), 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 15:28:40,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7405 states to 7405 states and 11113 transitions.
[2024-12-02 15:28:40,553 INFO  L78                 Accepts]: Start accepts. Automaton has 7405 states and 11113 transitions. Word has length 255
[2024-12-02 15:28:40,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:28:40,557 INFO  L471      AbstractCegarLoop]: Abstraction has 7405 states and 11113 transitions.
[2024-12-02 15:28:40,557 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 15:28:40,557 INFO  L276                IsEmpty]: Start isEmpty. Operand 7405 states and 11113 transitions.
[2024-12-02 15:28:40,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 257
[2024-12-02 15:28:40,570 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:28:40,570 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]
[2024-12-02 15:28:40,571 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:28:40,571 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:28:40,573 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:28:40,573 INFO  L85        PathProgramCache]: Analyzing trace with hash 1022239049, now seen corresponding path program 1 times
[2024-12-02 15:28:40,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:28:40,574 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569713433]
[2024-12-02 15:28:40,574 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:28:40,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:28:40,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:28:41,292 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 15:28:41,295 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:28:41,295 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569713433]
[2024-12-02 15:28:41,295 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569713433] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:28:41,296 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:28:41,296 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:28:41,296 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181117193]
[2024-12-02 15:28:41,296 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:28:41,297 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:28:41,299 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:28:41,300 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:28:41,300 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:28:41,301 INFO  L87              Difference]: Start difference. First operand 7405 states and 11113 transitions. Second operand  has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 0 states have call successors, (0), 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 15:28:41,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:28:41,559 INFO  L93              Difference]: Finished difference Result 14514 states and 21783 transitions.
[2024-12-02 15:28:41,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:28:41,559 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 0 states have call successors, (0), 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 256
[2024-12-02 15:28:41,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:28:41,576 INFO  L225             Difference]: With dead ends: 14514
[2024-12-02 15:28:41,576 INFO  L226             Difference]: Without dead ends: 7407
[2024-12-02 15:28:41,582 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 15:28:41,583 INFO  L435           NwaCegarLoop]: 11109 mSDtfsCounter, 0 mSDsluCounter, 22208 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33317 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:28:41,584 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33317 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:28:41,594 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7407 states.
[2024-12-02 15:28:41,678 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 7407.
[2024-12-02 15:28:41,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7407 states, 7406 states have (on average 1.5008101539292467) internal successors, (11115), 7406 states have internal predecessors, (11115), 0 states have call successors, (0), 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 15:28:41,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7407 states to 7407 states and 11115 transitions.
[2024-12-02 15:28:41,712 INFO  L78                 Accepts]: Start accepts. Automaton has 7407 states and 11115 transitions. Word has length 256
[2024-12-02 15:28:41,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:28:41,713 INFO  L471      AbstractCegarLoop]: Abstraction has 7407 states and 11115 transitions.
[2024-12-02 15:28:41,713 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 0 states have call successors, (0), 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 15:28:41,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 7407 states and 11115 transitions.
[2024-12-02 15:28:41,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2024-12-02 15:28:41,716 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:28:41,717 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]
[2024-12-02 15:28:41,717 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:28:41,717 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:28:41,718 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:28:41,718 INFO  L85        PathProgramCache]: Analyzing trace with hash 526675130, now seen corresponding path program 1 times
[2024-12-02 15:28:41,718 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:28:41,718 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575592562]
[2024-12-02 15:28:41,718 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:28:41,718 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:28:41,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:28:42,136 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 15:28:42,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:28:42,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575592562]
[2024-12-02 15:28:42,137 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575592562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:28:42,137 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:28:42,137 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:28:42,137 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113002612]
[2024-12-02 15:28:42,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:28:42,138 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:28:42,138 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:28:42,139 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:28:42,139 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:28:42,139 INFO  L87              Difference]: Start difference. First operand 7407 states and 11115 transitions. Second operand  has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 15:28:42,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:28:42,343 INFO  L93              Difference]: Finished difference Result 14518 states and 21787 transitions.
[2024-12-02 15:28:42,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:28:42,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 257
[2024-12-02 15:28:42,344 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:28:42,362 INFO  L225             Difference]: With dead ends: 14518
[2024-12-02 15:28:42,362 INFO  L226             Difference]: Without dead ends: 7409
[2024-12-02 15:28:42,369 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 15:28:42,370 INFO  L435           NwaCegarLoop]: 11109 mSDtfsCounter, 0 mSDsluCounter, 22202 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33311 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:28:42,370 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33311 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:28:42,380 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7409 states.
[2024-12-02 15:28:42,465 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7409 to 7409.
[2024-12-02 15:28:42,475 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7409 states, 7408 states have (on average 1.5006749460043196) internal successors, (11117), 7408 states have internal predecessors, (11117), 0 states have call successors, (0), 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 15:28:42,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7409 states to 7409 states and 11117 transitions.
[2024-12-02 15:28:42,496 INFO  L78                 Accepts]: Start accepts. Automaton has 7409 states and 11117 transitions. Word has length 257
[2024-12-02 15:28:42,497 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:28:42,497 INFO  L471      AbstractCegarLoop]: Abstraction has 7409 states and 11117 transitions.
[2024-12-02 15:28:42,498 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 15:28:42,498 INFO  L276                IsEmpty]: Start isEmpty. Operand 7409 states and 11117 transitions.
[2024-12-02 15:28:42,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 259
[2024-12-02 15:28:42,501 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:28:42,501 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]
[2024-12-02 15:28:42,501 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:28:42,501 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:28:42,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:28:42,502 INFO  L85        PathProgramCache]: Analyzing trace with hash 55948272, now seen corresponding path program 1 times
[2024-12-02 15:28:42,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:28:42,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363803284]
[2024-12-02 15:28:42,502 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:28:42,502 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:28:42,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:28:43,059 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 15:28:43,059 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:28:43,059 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363803284]
[2024-12-02 15:28:43,059 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363803284] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:28:43,059 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:28:43,060 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:28:43,060 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787173367]
[2024-12-02 15:28:43,060 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:28:43,061 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:28:43,061 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:28:43,061 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:28:43,061 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:28:43,062 INFO  L87              Difference]: Start difference. First operand 7409 states and 11117 transitions. Second operand  has 5 states, 5 states have (on average 51.6) internal successors, (258), 5 states have internal predecessors, (258), 0 states have call successors, (0), 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 15:28:43,629 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:28:43,629 INFO  L93              Difference]: Finished difference Result 21293 states and 31954 transitions.
[2024-12-02 15:28:43,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:28:43,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 51.6) internal successors, (258), 5 states have internal predecessors, (258), 0 states have call successors, (0), 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 258
[2024-12-02 15:28:43,631 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:28:43,671 INFO  L225             Difference]: With dead ends: 21293
[2024-12-02 15:28:43,671 INFO  L226             Difference]: Without dead ends: 14182
[2024-12-02 15:28:43,683 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 15:28:43,684 INFO  L435           NwaCegarLoop]: 11105 mSDtfsCounter, 10365 mSDsluCounter, 32864 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10365 SdHoareTripleChecker+Valid, 43969 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:28:43,684 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10365 Valid, 43969 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:28:43,706 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14182 states.
[2024-12-02 15:28:43,890 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14182 to 7605.
[2024-12-02 15:28:43,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7605 states, 7604 states have (on average 1.5006575486586007) internal successors, (11411), 7604 states have internal predecessors, (11411), 0 states have call successors, (0), 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 15:28:43,921 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 11411 transitions.
[2024-12-02 15:28:43,921 INFO  L78                 Accepts]: Start accepts. Automaton has 7605 states and 11411 transitions. Word has length 258
[2024-12-02 15:28:43,921 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:28:43,922 INFO  L471      AbstractCegarLoop]: Abstraction has 7605 states and 11411 transitions.
[2024-12-02 15:28:43,922 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 51.6) internal successors, (258), 5 states have internal predecessors, (258), 0 states have call successors, (0), 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 15:28:43,922 INFO  L276                IsEmpty]: Start isEmpty. Operand 7605 states and 11411 transitions.
[2024-12-02 15:28:44,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3776
[2024-12-02 15:28:44,209 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:28:44,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:28:44,212 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:28:44,212 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:28:44,214 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:28:44,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -76427822, now seen corresponding path program 1 times
[2024-12-02 15:28:44,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:28:44,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077086174]
[2024-12-02 15:28:44,218 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:28:44,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:28:52,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:29:01,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:29:01,087 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:29:01,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077086174]
[2024-12-02 15:29:01,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077086174] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:29:01,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:29:01,088 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:29:01,088 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409080539]
[2024-12-02 15:29:01,088 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:29:01,095 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:29:01,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:29:01,099 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:29:01,099 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:29:01,101 INFO  L87              Difference]: Start difference. First operand 7605 states and 11411 transitions. Second operand  has 4 states, 4 states have (on average 943.75) internal successors, (3775), 4 states have internal predecessors, (3775), 0 states have call successors, (0), 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 15:29:01,369 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:29:01,369 INFO  L93              Difference]: Finished difference Result 14716 states and 22082 transitions.
[2024-12-02 15:29:01,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:29:01,372 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 943.75) internal successors, (3775), 4 states have internal predecessors, (3775), 0 states have call successors, (0), 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 3775
[2024-12-02 15:29:01,374 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:29:01,393 INFO  L225             Difference]: With dead ends: 14716
[2024-12-02 15:29:01,394 INFO  L226             Difference]: Without dead ends: 7605
[2024-12-02 15:29:01,404 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:29:01,406 INFO  L435           NwaCegarLoop]: 11103 mSDtfsCounter, 10859 mSDsluCounter, 11101 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10859 SdHoareTripleChecker+Valid, 22204 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:29:01,406 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10859 Valid, 22204 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:29:01,419 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7605 states.
[2024-12-02 15:29:01,534 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7605.
[2024-12-02 15:29:01,546 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7605 states, 7604 states have (on average 1.5005260389268806) internal successors, (11410), 7604 states have internal predecessors, (11410), 0 states have call successors, (0), 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 15:29:01,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 11410 transitions.
[2024-12-02 15:29:01,569 INFO  L78                 Accepts]: Start accepts. Automaton has 7605 states and 11410 transitions. Word has length 3775
[2024-12-02 15:29:01,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:29:01,570 INFO  L471      AbstractCegarLoop]: Abstraction has 7605 states and 11410 transitions.
[2024-12-02 15:29:01,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 943.75) internal successors, (3775), 4 states have internal predecessors, (3775), 0 states have call successors, (0), 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 15:29:01,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 7605 states and 11410 transitions.
[2024-12-02 15:29:01,756 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3777
[2024-12-02 15:29:01,757 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:29:01,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:29:01,760 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:29:01,760 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:29:01,762 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:29:01,764 INFO  L85        PathProgramCache]: Analyzing trace with hash 394684601, now seen corresponding path program 1 times
[2024-12-02 15:29:01,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:29:01,765 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730487650]
[2024-12-02 15:29:01,766 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:29:01,766 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:29:08,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:29:17,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:29:17,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:29:17,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730487650]
[2024-12-02 15:29:17,138 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730487650] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:29:17,138 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:29:17,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:29:17,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511011251]
[2024-12-02 15:29:17,139 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:29:17,145 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:29:17,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:29:17,151 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:29:17,151 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:29:17,153 INFO  L87              Difference]: Start difference. First operand 7605 states and 11410 transitions. Second operand  has 3 states, 3 states have (on average 1258.6666666666667) internal successors, (3776), 3 states have internal predecessors, (3776), 0 states have call successors, (0), 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 15:29:17,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:29:17,374 INFO  L93              Difference]: Finished difference Result 14717 states and 22082 transitions.
[2024-12-02 15:29:17,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 15:29:17,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1258.6666666666667) internal successors, (3776), 3 states have internal predecessors, (3776), 0 states have call successors, (0), 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 3776
[2024-12-02 15:29:17,377 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:29:17,396 INFO  L225             Difference]: With dead ends: 14717
[2024-12-02 15:29:17,397 INFO  L226             Difference]: Without dead ends: 7606
[2024-12-02 15:29:17,405 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 15:29:17,406 INFO  L435           NwaCegarLoop]: 11109 mSDtfsCounter, 0 mSDsluCounter, 11103 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22212 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 15:29:17,406 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22212 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:29:17,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7606 states.
[2024-12-02 15:29:17,550 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 7606.
[2024-12-02 15:29:17,562 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7606 states, 7605 states have (on average 1.5004602235371467) internal successors, (11411), 7605 states have internal predecessors, (11411), 0 states have call successors, (0), 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 15:29:17,582 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7606 states to 7606 states and 11411 transitions.
[2024-12-02 15:29:17,582 INFO  L78                 Accepts]: Start accepts. Automaton has 7606 states and 11411 transitions. Word has length 3776
[2024-12-02 15:29:17,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:29:17,584 INFO  L471      AbstractCegarLoop]: Abstraction has 7606 states and 11411 transitions.
[2024-12-02 15:29:17,586 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1258.6666666666667) internal successors, (3776), 3 states have internal predecessors, (3776), 0 states have call successors, (0), 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 15:29:17,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 7606 states and 11411 transitions.
[2024-12-02 15:29:17,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3777
[2024-12-02 15:29:17,899 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:29:17,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:29:17,902 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 15:29:17,902 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:29:17,904 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:29:17,906 INFO  L85        PathProgramCache]: Analyzing trace with hash -1292957592, now seen corresponding path program 1 times
[2024-12-02 15:29:17,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:29:17,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895437797]
[2024-12-02 15:29:17,908 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:29:17,908 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:29:24,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:29:30,810 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:29:30,810 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:29:30,811 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895437797]
[2024-12-02 15:29:30,811 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895437797] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:29:30,811 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:29:30,811 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:29:30,811 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100482738]
[2024-12-02 15:29:30,812 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:29:30,816 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:29:30,816 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:29:30,819 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:29:30,820 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:29:30,822 INFO  L87              Difference]: Start difference. First operand 7606 states and 11411 transitions. Second operand  has 4 states, 4 states have (on average 944.0) internal successors, (3776), 4 states have internal predecessors, (3776), 0 states have call successors, (0), 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 15:29:31,196 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:29:31,196 INFO  L93              Difference]: Finished difference Result 14718 states and 22082 transitions.
[2024-12-02 15:29:31,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:29:31,198 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 944.0) internal successors, (3776), 4 states have internal predecessors, (3776), 0 states have call successors, (0), 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 3776
[2024-12-02 15:29:31,199 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:29:31,217 INFO  L225             Difference]: With dead ends: 14718
[2024-12-02 15:29:31,217 INFO  L226             Difference]: Without dead ends: 7606
[2024-12-02 15:29:31,222 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:29:31,222 INFO  L435           NwaCegarLoop]: 11102 mSDtfsCounter, 10829 mSDsluCounter, 11100 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10829 SdHoareTripleChecker+Valid, 22202 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:29:31,223 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10829 Valid, 22202 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:29:31,233 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7606 states.
[2024-12-02 15:29:31,312 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 7606.
[2024-12-02 15:29:31,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7606 states, 7605 states have (on average 1.5003287310979618) internal successors, (11410), 7605 states have internal predecessors, (11410), 0 states have call successors, (0), 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 15:29:31,335 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7606 states to 7606 states and 11410 transitions.
[2024-12-02 15:29:31,335 INFO  L78                 Accepts]: Start accepts. Automaton has 7606 states and 11410 transitions. Word has length 3776
[2024-12-02 15:29:31,336 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:29:31,336 INFO  L471      AbstractCegarLoop]: Abstraction has 7606 states and 11410 transitions.
[2024-12-02 15:29:31,337 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 944.0) internal successors, (3776), 4 states have internal predecessors, (3776), 0 states have call successors, (0), 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 15:29:31,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 7606 states and 11410 transitions.
[2024-12-02 15:29:31,452 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3778
[2024-12-02 15:29:31,453 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:29:31,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:29:31,455 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 15:29:31,455 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:29:31,457 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:29:31,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -754096990, now seen corresponding path program 1 times
[2024-12-02 15:29:31,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:29:31,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241898382]
[2024-12-02 15:29:31,460 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:29:31,460 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:29:37,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:29:48,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:29:48,375 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:29:48,375 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241898382]
[2024-12-02 15:29:48,375 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241898382] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:29:48,375 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:29:48,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:29:48,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655782648]
[2024-12-02 15:29:48,376 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:29:48,379 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:29:48,379 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:29:48,383 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:29:48,383 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:29:48,384 INFO  L87              Difference]: Start difference. First operand 7606 states and 11410 transitions. Second operand  has 4 states, 4 states have (on average 944.25) internal successors, (3777), 4 states have internal predecessors, (3777), 0 states have call successors, (0), 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 15:29:49,156 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:29:49,156 INFO  L93              Difference]: Finished difference Result 14700 states and 22062 transitions.
[2024-12-02 15:29:49,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:29:49,157 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 944.25) internal successors, (3777), 4 states have internal predecessors, (3777), 0 states have call successors, (0), 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 3777
[2024-12-02 15:29:49,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:29:49,173 INFO  L225             Difference]: With dead ends: 14700
[2024-12-02 15:29:49,173 INFO  L226             Difference]: Without dead ends: 7588
[2024-12-02 15:29:49,179 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 15:29:49,179 INFO  L435           NwaCegarLoop]: 10869 mSDtfsCounter, 8690 mSDsluCounter, 10866 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8690 SdHoareTripleChecker+Valid, 21735 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 15:29:49,180 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8690 Valid, 21735 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 15:29:49,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7588 states.
[2024-12-02 15:29:49,277 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7588 to 7588.
[2024-12-02 15:29:49,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7588 states, 7587 states have (on average 1.4988796625807301) internal successors, (11372), 7587 states have internal predecessors, (11372), 0 states have call successors, (0), 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 15:29:49,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 11372 transitions.
[2024-12-02 15:29:49,297 INFO  L78                 Accepts]: Start accepts. Automaton has 7588 states and 11372 transitions. Word has length 3777
[2024-12-02 15:29:49,301 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:29:49,301 INFO  L471      AbstractCegarLoop]: Abstraction has 7588 states and 11372 transitions.
[2024-12-02 15:29:49,302 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 944.25) internal successors, (3777), 4 states have internal predecessors, (3777), 0 states have call successors, (0), 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 15:29:49,302 INFO  L276                IsEmpty]: Start isEmpty. Operand 7588 states and 11372 transitions.
[2024-12-02 15:29:49,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3779
[2024-12-02 15:29:49,480 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:29:49,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:29:49,482 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 15:29:49,482 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:29:49,484 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:29:49,485 INFO  L85        PathProgramCache]: Analyzing trace with hash 598318624, now seen corresponding path program 1 times
[2024-12-02 15:29:49,485 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:29:49,485 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806763679]
[2024-12-02 15:29:49,486 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:29:49,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:29:55,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:30:03,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:30:03,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:30:03,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806763679]
[2024-12-02 15:30:03,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806763679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:30:03,238 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:30:03,239 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:30:03,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624727654]
[2024-12-02 15:30:03,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:30:03,241 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:30:03,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:30:03,243 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:30:03,243 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:30:03,244 INFO  L87              Difference]: Start difference. First operand 7588 states and 11372 transitions. Second operand  has 4 states, 4 states have (on average 944.5) internal successors, (3778), 4 states have internal predecessors, (3778), 0 states have call successors, (0), 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 15:30:03,607 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:30:03,607 INFO  L93              Difference]: Finished difference Result 14685 states and 22008 transitions.
[2024-12-02 15:30:03,608 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:30:03,609 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 944.5) internal successors, (3778), 4 states have internal predecessors, (3778), 0 states have call successors, (0), 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 3778
[2024-12-02 15:30:03,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:30:03,620 INFO  L225             Difference]: With dead ends: 14685
[2024-12-02 15:30:03,620 INFO  L226             Difference]: Without dead ends: 7588
[2024-12-02 15:30:03,625 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 15:30:03,626 INFO  L435           NwaCegarLoop]: 10961 mSDtfsCounter, 8684 mSDsluCounter, 10953 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8684 SdHoareTripleChecker+Valid, 21914 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:30:03,626 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8684 Valid, 21914 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:30:03,636 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7588 states.
[2024-12-02 15:30:03,713 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7588 to 7588.
[2024-12-02 15:30:03,720 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7588 states, 7587 states have (on average 1.4987478581784632) internal successors, (11371), 7587 states have internal predecessors, (11371), 0 states have call successors, (0), 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 15:30:03,732 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 11371 transitions.
[2024-12-02 15:30:03,732 INFO  L78                 Accepts]: Start accepts. Automaton has 7588 states and 11371 transitions. Word has length 3778
[2024-12-02 15:30:03,734 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:30:03,734 INFO  L471      AbstractCegarLoop]: Abstraction has 7588 states and 11371 transitions.
[2024-12-02 15:30:03,735 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 944.5) internal successors, (3778), 4 states have internal predecessors, (3778), 0 states have call successors, (0), 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 15:30:03,735 INFO  L276                IsEmpty]: Start isEmpty. Operand 7588 states and 11371 transitions.
[2024-12-02 15:30:03,803 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3780
[2024-12-02 15:30:03,803 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:30:03,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:30:03,805 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 15:30:03,805 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:30:03,806 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:30:03,808 INFO  L85        PathProgramCache]: Analyzing trace with hash -1450108966, now seen corresponding path program 1 times
[2024-12-02 15:30:03,808 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:30:03,808 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300175218]
[2024-12-02 15:30:03,809 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:30:03,809 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:30:11,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:30:23,988 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:30:23,988 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:30:23,988 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300175218]
[2024-12-02 15:30:23,988 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300175218] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:30:23,988 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:30:23,989 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:30:23,989 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66972571]
[2024-12-02 15:30:23,989 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:30:23,991 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:30:23,991 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:30:23,993 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:30:23,993 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:30:23,993 INFO  L87              Difference]: Start difference. First operand 7588 states and 11371 transitions. Second operand  has 7 states, 7 states have (on average 539.8571428571429) internal successors, (3779), 7 states have internal predecessors, (3779), 0 states have call successors, (0), 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 15:30:25,433 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:30:25,972 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:30:25,972 INFO  L93              Difference]: Finished difference Result 18930 states and 28373 transitions.
[2024-12-02 15:30:25,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 15:30:25,973 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 539.8571428571429) internal successors, (3779), 7 states have internal predecessors, (3779), 0 states have call successors, (0), 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 3779
[2024-12-02 15:30:25,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:30:25,983 INFO  L225             Difference]: With dead ends: 18930
[2024-12-02 15:30:25,983 INFO  L226             Difference]: Without dead ends: 7598
[2024-12-02 15:30:25,988 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:30:25,989 INFO  L435           NwaCegarLoop]: 11036 mSDtfsCounter, 21391 mSDsluCounter, 43952 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21391 SdHoareTripleChecker+Valid, 54988 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-12-02 15:30:25,989 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21391 Valid, 54988 Invalid, 376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-12-02 15:30:25,998 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7598 states.
[2024-12-02 15:30:26,053 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7590.
[2024-12-02 15:30:26,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7590 states, 7589 states have (on average 1.4986164185004611) internal successors, (11373), 7589 states have internal predecessors, (11373), 0 states have call successors, (0), 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 15:30:26,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 11373 transitions.
[2024-12-02 15:30:26,068 INFO  L78                 Accepts]: Start accepts. Automaton has 7590 states and 11373 transitions. Word has length 3779
[2024-12-02 15:30:26,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:30:26,068 INFO  L471      AbstractCegarLoop]: Abstraction has 7590 states and 11373 transitions.
[2024-12-02 15:30:26,069 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 539.8571428571429) internal successors, (3779), 7 states have internal predecessors, (3779), 0 states have call successors, (0), 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 15:30:26,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 7590 states and 11373 transitions.
[2024-12-02 15:30:26,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3781
[2024-12-02 15:30:26,136 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:30:26,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:30:26,137 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 15:30:26,137 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:30:26,139 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:30:26,140 INFO  L85        PathProgramCache]: Analyzing trace with hash 671665192, now seen corresponding path program 1 times
[2024-12-02 15:30:26,140 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:30:26,140 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013543333]
[2024-12-02 15:30:26,140 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:30:26,140 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:30:31,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:30:43,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:30:43,068 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:30:43,068 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013543333]
[2024-12-02 15:30:43,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013543333] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:30:43,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:30:43,069 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 15:30:43,069 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678910696]
[2024-12-02 15:30:43,069 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:30:43,071 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:30:43,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:30:43,073 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:30:43,073 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:30:43,074 INFO  L87              Difference]: Start difference. First operand 7590 states and 11373 transitions. Second operand  has 6 states, 6 states have (on average 630.0) internal successors, (3780), 6 states have internal predecessors, (3780), 0 states have call successors, (0), 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 15:30:44,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:30:44,147 INFO  L93              Difference]: Finished difference Result 14695 states and 22021 transitions.
[2024-12-02 15:30:44,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:30:44,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 630.0) internal successors, (3780), 6 states have internal predecessors, (3780), 0 states have call successors, (0), 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 3780
[2024-12-02 15:30:44,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:30:44,154 INFO  L225             Difference]: With dead ends: 14695
[2024-12-02 15:30:44,154 INFO  L226             Difference]: Without dead ends: 7599
[2024-12-02 15:30:44,158 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 15:30:44,159 INFO  L435           NwaCegarLoop]: 10769 mSDtfsCounter, 21628 mSDsluCounter, 10765 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21628 SdHoareTripleChecker+Valid, 21534 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 15:30:44,159 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21628 Valid, 21534 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 15:30:44,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7599 states.
[2024-12-02 15:30:44,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7591.
[2024-12-02 15:30:44,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7591 states, 7590 states have (on average 1.4984189723320158) internal successors, (11373), 7590 states have internal predecessors, (11373), 0 states have call successors, (0), 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 15:30:44,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7591 states to 7591 states and 11373 transitions.
[2024-12-02 15:30:44,245 INFO  L78                 Accepts]: Start accepts. Automaton has 7591 states and 11373 transitions. Word has length 3780
[2024-12-02 15:30:44,245 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:30:44,245 INFO  L471      AbstractCegarLoop]: Abstraction has 7591 states and 11373 transitions.
[2024-12-02 15:30:44,246 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 630.0) internal successors, (3780), 6 states have internal predecessors, (3780), 0 states have call successors, (0), 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 15:30:44,246 INFO  L276                IsEmpty]: Start isEmpty. Operand 7591 states and 11373 transitions.
[2024-12-02 15:30:44,313 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3781
[2024-12-02 15:30:44,313 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:30:44,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:30:44,315 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 15:30:44,315 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:30:44,316 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:30:44,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 802756402, now seen corresponding path program 1 times
[2024-12-02 15:30:44,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:30:44,317 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677248758]
[2024-12-02 15:30:44,317 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:30:44,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:30:50,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:31:14,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:31:14,234 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:31:14,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677248758]
[2024-12-02 15:31:14,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677248758] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:31:14,234 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:31:14,234 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-12-02 15:31:14,235 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232418584]
[2024-12-02 15:31:14,235 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:31:14,236 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 15:31:14,236 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:31:14,238 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 15:31:14,238 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2024-12-02 15:31:14,239 INFO  L87              Difference]: Start difference. First operand 7591 states and 11373 transitions. Second operand  has 11 states, 11 states have (on average 343.6363636363636) internal successors, (3780), 11 states have internal predecessors, (3780), 0 states have call successors, (0), 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 15:31:17,884 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:31:22,111 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:31:23,042 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:31:23,043 INFO  L93              Difference]: Finished difference Result 18948 states and 28394 transitions.
[2024-12-02 15:31:23,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 15:31:23,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 343.6363636363636) internal successors, (3780), 11 states have internal predecessors, (3780), 0 states have call successors, (0), 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 3780
[2024-12-02 15:31:23,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:31:23,051 INFO  L225             Difference]: With dead ends: 18948
[2024-12-02 15:31:23,052 INFO  L226             Difference]: Without dead ends: 7602
[2024-12-02 15:31:23,057 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-12-02 15:31:23,058 INFO  L435           NwaCegarLoop]: 11044 mSDtfsCounter, 38337 mSDsluCounter, 76181 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38337 SdHoareTripleChecker+Valid, 87225 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:31:23,058 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [38337 Valid, 87225 Invalid, 1391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 1365 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time]
[2024-12-02 15:31:23,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7602 states.
[2024-12-02 15:31:23,127 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7602 to 7599.
[2024-12-02 15:31:23,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7599 states, 7598 states have (on average 1.4982890234272177) internal successors, (11384), 7598 states have internal predecessors, (11384), 0 states have call successors, (0), 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 15:31:23,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 11384 transitions.
[2024-12-02 15:31:23,141 INFO  L78                 Accepts]: Start accepts. Automaton has 7599 states and 11384 transitions. Word has length 3780
[2024-12-02 15:31:23,141 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:31:23,141 INFO  L471      AbstractCegarLoop]: Abstraction has 7599 states and 11384 transitions.
[2024-12-02 15:31:23,142 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 343.6363636363636) internal successors, (3780), 11 states have internal predecessors, (3780), 0 states have call successors, (0), 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 15:31:23,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 7599 states and 11384 transitions.
[2024-12-02 15:31:23,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3782
[2024-12-02 15:31:23,209 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:31:23,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:23,211 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 15:31:23,211 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:31:23,213 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:31:23,214 INFO  L85        PathProgramCache]: Analyzing trace with hash 531594738, now seen corresponding path program 1 times
[2024-12-02 15:31:23,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:31:23,214 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315860547]
[2024-12-02 15:31:23,215 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:31:23,215 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:31:29,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:31:37,789 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:31:37,789 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:31:37,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315860547]
[2024-12-02 15:31:37,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315860547] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:31:37,789 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:31:37,790 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:31:37,790 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148546459]
[2024-12-02 15:31:37,790 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:31:37,793 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:31:37,793 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:31:37,795 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:31:37,795 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:31:37,796 INFO  L87              Difference]: Start difference. First operand 7599 states and 11384 transitions. Second operand  has 5 states, 5 states have (on average 756.2) internal successors, (3781), 5 states have internal predecessors, (3781), 0 states have call successors, (0), 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 15:31:38,177 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:31:38,177 INFO  L93              Difference]: Finished difference Result 14704 states and 22028 transitions.
[2024-12-02 15:31:38,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:31:38,179 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 756.2) internal successors, (3781), 5 states have internal predecessors, (3781), 0 states have call successors, (0), 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 3781
[2024-12-02 15:31:38,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:31:38,184 INFO  L225             Difference]: With dead ends: 14704
[2024-12-02 15:31:38,184 INFO  L226             Difference]: Without dead ends: 7599
[2024-12-02 15:31:38,189 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 15:31:38,189 INFO  L435           NwaCegarLoop]: 10947 mSDtfsCounter, 21859 mSDsluCounter, 10944 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21859 SdHoareTripleChecker+Valid, 21891 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 15:31:38,190 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21859 Valid, 21891 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 15:31:38,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7599 states.
[2024-12-02 15:31:38,248 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7599.
[2024-12-02 15:31:38,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7599 states, 7598 states have (on average 1.498157409844696) internal successors, (11383), 7598 states have internal predecessors, (11383), 0 states have call successors, (0), 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 15:31:38,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 11383 transitions.
[2024-12-02 15:31:38,262 INFO  L78                 Accepts]: Start accepts. Automaton has 7599 states and 11383 transitions. Word has length 3781
[2024-12-02 15:31:38,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:31:38,263 INFO  L471      AbstractCegarLoop]: Abstraction has 7599 states and 11383 transitions.
[2024-12-02 15:31:38,264 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 756.2) internal successors, (3781), 5 states have internal predecessors, (3781), 0 states have call successors, (0), 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 15:31:38,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 7599 states and 11383 transitions.
[2024-12-02 15:31:38,330 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3783
[2024-12-02 15:31:38,331 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:31:38,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:31:38,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 15:31:38,332 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:31:38,333 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:31:38,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 2010635870, now seen corresponding path program 1 times
[2024-12-02 15:31:38,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:31:38,334 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183380702]
[2024-12-02 15:31:38,334 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:31:38,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:31:39,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:31:46,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:31:46,190 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:31:46,191 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183380702]
[2024-12-02 15:31:46,191 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183380702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:31:46,191 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:31:46,191 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:31:46,191 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678531439]
[2024-12-02 15:31:46,191 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:31:46,193 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:31:46,193 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:31:46,195 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:31:46,195 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:31:46,196 INFO  L87              Difference]: Start difference. First operand 7599 states and 11383 transitions. Second operand  has 4 states, 4 states have (on average 945.5) internal successors, (3782), 4 states have internal predecessors, (3782), 0 states have call successors, (0), 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 15:31:46,717 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:31:46,717 INFO  L93              Difference]: Finished difference Result 18929 states and 28362 transitions.
[2024-12-02 15:31:46,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:31:46,718 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 945.5) internal successors, (3782), 4 states have internal predecessors, (3782), 0 states have call successors, (0), 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 3782
[2024-12-02 15:31:46,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:31:46,726 INFO  L225             Difference]: With dead ends: 18929
[2024-12-02 15:31:46,726 INFO  L226             Difference]: Without dead ends: 7599
[2024-12-02 15:31:46,731 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 15:31:46,732 INFO  L435           NwaCegarLoop]: 11017 mSDtfsCounter, 4200 mSDsluCounter, 21884 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4200 SdHoareTripleChecker+Valid, 32901 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:31:46,732 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4200 Valid, 32901 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:31:46,739 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7599 states.
[2024-12-02 15:31:46,793 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7599.
[2024-12-02 15:31:46,799 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7599 states, 7598 states have (on average 1.4980257962621744) internal successors, (11382), 7598 states have internal predecessors, (11382), 0 states have call successors, (0), 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 15:31:46,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 11382 transitions.
[2024-12-02 15:31:46,807 INFO  L78                 Accepts]: Start accepts. Automaton has 7599 states and 11382 transitions. Word has length 3782
[2024-12-02 15:31:46,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:31:46,807 INFO  L471      AbstractCegarLoop]: Abstraction has 7599 states and 11382 transitions.
[2024-12-02 15:31:46,808 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 945.5) internal successors, (3782), 4 states have internal predecessors, (3782), 0 states have call successors, (0), 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 15:31:46,808 INFO  L276                IsEmpty]: Start isEmpty. Operand 7599 states and 11382 transitions.
[2024-12-02 15:31:46,874 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3783
[2024-12-02 15:31:46,874 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:31:46,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:31:46,876 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 15:31:46,876 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:31:46,876 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:31:46,877 INFO  L85        PathProgramCache]: Analyzing trace with hash -2135089425, now seen corresponding path program 1 times
[2024-12-02 15:31:46,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:31:46,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251645635]
[2024-12-02 15:31:46,878 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:31:46,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:31:48,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:31:57,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:31:57,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:31:57,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251645635]
[2024-12-02 15:31:57,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251645635] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:31:57,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:31:57,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:31:57,654 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166156496]
[2024-12-02 15:31:57,654 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:31:57,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:31:57,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:31:57,659 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:31:57,659 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:31:57,660 INFO  L87              Difference]: Start difference. First operand 7599 states and 11382 transitions. Second operand  has 5 states, 5 states have (on average 756.4) internal successors, (3782), 5 states have internal predecessors, (3782), 0 states have call successors, (0), 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 15:31:58,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:31:58,207 INFO  L93              Difference]: Finished difference Result 14704 states and 22024 transitions.
[2024-12-02 15:31:58,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:31:58,209 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 756.4) internal successors, (3782), 5 states have internal predecessors, (3782), 0 states have call successors, (0), 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 3782
[2024-12-02 15:31:58,209 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:31:58,215 INFO  L225             Difference]: With dead ends: 14704
[2024-12-02 15:31:58,215 INFO  L226             Difference]: Without dead ends: 7599
[2024-12-02 15:31:58,219 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 15:31:58,220 INFO  L435           NwaCegarLoop]: 10874 mSDtfsCounter, 22114 mSDsluCounter, 10868 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22114 SdHoareTripleChecker+Valid, 21742 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:31:58,220 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22114 Valid, 21742 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:31:58,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7599 states.
[2024-12-02 15:31:58,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7599.
[2024-12-02 15:31:58,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7599 states, 7598 states have (on average 1.4978941826796526) internal successors, (11381), 7598 states have internal predecessors, (11381), 0 states have call successors, (0), 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 15:31:58,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 11381 transitions.
[2024-12-02 15:31:58,294 INFO  L78                 Accepts]: Start accepts. Automaton has 7599 states and 11381 transitions. Word has length 3782
[2024-12-02 15:31:58,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:31:58,294 INFO  L471      AbstractCegarLoop]: Abstraction has 7599 states and 11381 transitions.
[2024-12-02 15:31:58,295 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 756.4) internal successors, (3782), 5 states have internal predecessors, (3782), 0 states have call successors, (0), 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 15:31:58,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 7599 states and 11381 transitions.
[2024-12-02 15:31:58,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3784
[2024-12-02 15:31:58,361 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:31:58,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:31:58,362 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 15:31:58,362 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:31:58,363 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:31:58,364 INFO  L85        PathProgramCache]: Analyzing trace with hash -927873542, now seen corresponding path program 1 times
[2024-12-02 15:31:58,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:31:58,364 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621922378]
[2024-12-02 15:31:58,365 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:31:58,365 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:04,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:13,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:13,263 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:13,264 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621922378]
[2024-12-02 15:32:13,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621922378] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:13,264 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:13,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:13,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113440019]
[2024-12-02 15:32:13,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:13,266 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:32:13,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:13,269 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:32:13,269 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:32:13,270 INFO  L87              Difference]: Start difference. First operand 7599 states and 11381 transitions. Second operand  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 15:32:13,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:32:13,774 INFO  L93              Difference]: Finished difference Result 14705 states and 22024 transitions.
[2024-12-02 15:32:13,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:32:13,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 3783
[2024-12-02 15:32:13,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:32:13,781 INFO  L225             Difference]: With dead ends: 14705
[2024-12-02 15:32:13,781 INFO  L226             Difference]: Without dead ends: 7600
[2024-12-02 15:32:13,785 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 15:32:13,785 INFO  L435           NwaCegarLoop]: 11050 mSDtfsCounter, 10798 mSDsluCounter, 22095 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10798 SdHoareTripleChecker+Valid, 33145 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:32:13,785 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10798 Valid, 33145 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:32:13,792 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7600 states.
[2024-12-02 15:32:13,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600.
[2024-12-02 15:32:13,845 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.4978286616660086) internal successors, (11382), 7599 states have internal predecessors, (11382), 0 states have call successors, (0), 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 15:32:13,852 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11382 transitions.
[2024-12-02 15:32:13,853 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11382 transitions. Word has length 3783
[2024-12-02 15:32:13,853 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:32:13,853 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11382 transitions.
[2024-12-02 15:32:13,854 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 15:32:13,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11382 transitions.
[2024-12-02 15:32:13,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3784
[2024-12-02 15:32:13,920 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:32:13,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:32:13,921 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 15:32:13,921 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:32:13,922 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:13,923 INFO  L85        PathProgramCache]: Analyzing trace with hash -1733727686, now seen corresponding path program 1 times
[2024-12-02 15:32:13,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:13,923 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737916412]
[2024-12-02 15:32:13,923 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:13,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:20,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:29,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:29,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:29,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737916412]
[2024-12-02 15:32:29,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737916412] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:29,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:29,259 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:29,259 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409406701]
[2024-12-02 15:32:29,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:29,262 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:32:29,262 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:29,265 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:32:29,266 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:32:29,267 INFO  L87              Difference]: Start difference. First operand 7600 states and 11382 transitions. Second operand  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 15:32:29,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:32:29,654 INFO  L93              Difference]: Finished difference Result 14706 states and 22024 transitions.
[2024-12-02 15:32:29,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:32:29,656 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 3783
[2024-12-02 15:32:29,656 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:32:29,661 INFO  L225             Difference]: With dead ends: 14706
[2024-12-02 15:32:29,661 INFO  L226             Difference]: Without dead ends: 7600
[2024-12-02 15:32:29,666 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 15:32:29,666 INFO  L435           NwaCegarLoop]: 10944 mSDtfsCounter, 11047 mSDsluCounter, 10942 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11047 SdHoareTripleChecker+Valid, 21886 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 15:32:29,666 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11047 Valid, 21886 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 15:32:29,673 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7600 states.
[2024-12-02 15:32:29,724 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600.
[2024-12-02 15:32:29,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.4976970654033426) internal successors, (11381), 7599 states have internal predecessors, (11381), 0 states have call successors, (0), 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 15:32:29,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11381 transitions.
[2024-12-02 15:32:29,738 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11381 transitions. Word has length 3783
[2024-12-02 15:32:29,738 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:32:29,739 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11381 transitions.
[2024-12-02 15:32:29,739 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 756.6) internal successors, (3783), 5 states have internal predecessors, (3783), 0 states have call successors, (0), 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 15:32:29,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11381 transitions.
[2024-12-02 15:32:29,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3785
[2024-12-02 15:32:29,904 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:32:29,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:32:29,905 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 15:32:29,905 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:32:29,906 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:29,907 INFO  L85        PathProgramCache]: Analyzing trace with hash 2052092752, now seen corresponding path program 1 times
[2024-12-02 15:32:29,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:29,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608407207]
[2024-12-02 15:32:29,907 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:29,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:31,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:37,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:37,618 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:37,618 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608407207]
[2024-12-02 15:32:37,618 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608407207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:37,618 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:37,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:32:37,619 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036880858]
[2024-12-02 15:32:37,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:37,621 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:32:37,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:37,623 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:32:37,623 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:32:37,623 INFO  L87              Difference]: Start difference. First operand 7600 states and 11381 transitions. Second operand  has 4 states, 4 states have (on average 946.0) internal successors, (3784), 4 states have internal predecessors, (3784), 0 states have call successors, (0), 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 15:32:38,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:32:38,268 INFO  L93              Difference]: Finished difference Result 18900 states and 28312 transitions.
[2024-12-02 15:32:38,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:32:38,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 946.0) internal successors, (3784), 4 states have internal predecessors, (3784), 0 states have call successors, (0), 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 3784
[2024-12-02 15:32:38,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:32:38,277 INFO  L225             Difference]: With dead ends: 18900
[2024-12-02 15:32:38,277 INFO  L226             Difference]: Without dead ends: 7600
[2024-12-02 15:32:38,282 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 15:32:38,283 INFO  L435           NwaCegarLoop]: 11021 mSDtfsCounter, 4176 mSDsluCounter, 21887 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4176 SdHoareTripleChecker+Valid, 32908 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:32:38,283 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4176 Valid, 32908 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 15:32:38,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7600 states.
[2024-12-02 15:32:38,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600.
[2024-12-02 15:32:38,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.4975654691406763) internal successors, (11380), 7599 states have internal predecessors, (11380), 0 states have call successors, (0), 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 15:32:38,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11380 transitions.
[2024-12-02 15:32:38,378 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11380 transitions. Word has length 3784
[2024-12-02 15:32:38,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:32:38,378 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11380 transitions.
[2024-12-02 15:32:38,379 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 946.0) internal successors, (3784), 4 states have internal predecessors, (3784), 0 states have call successors, (0), 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 15:32:38,380 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11380 transitions.
[2024-12-02 15:32:38,524 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3785
[2024-12-02 15:32:38,525 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:32:38,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:32:38,526 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 15:32:38,526 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:32:38,527 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:38,527 INFO  L85        PathProgramCache]: Analyzing trace with hash 1806359199, now seen corresponding path program 1 times
[2024-12-02 15:32:38,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:38,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919197063]
[2024-12-02 15:32:38,528 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:38,528 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:40,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:32:48,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:32:48,502 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:32:48,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919197063]
[2024-12-02 15:32:48,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919197063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:32:48,502 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:32:48,503 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:32:48,503 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617044474]
[2024-12-02 15:32:48,503 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:32:48,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:32:48,505 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:32:48,507 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:32:48,507 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:32:48,508 INFO  L87              Difference]: Start difference. First operand 7600 states and 11380 transitions. Second operand  has 5 states, 5 states have (on average 756.8) internal successors, (3784), 5 states have internal predecessors, (3784), 0 states have call successors, (0), 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 15:32:48,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:32:48,994 INFO  L93              Difference]: Finished difference Result 14706 states and 22020 transitions.
[2024-12-02 15:32:48,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:32:48,996 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 756.8) internal successors, (3784), 5 states have internal predecessors, (3784), 0 states have call successors, (0), 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 3784
[2024-12-02 15:32:48,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:32:49,001 INFO  L225             Difference]: With dead ends: 14706
[2024-12-02 15:32:49,001 INFO  L226             Difference]: Without dead ends: 7600
[2024-12-02 15:32:49,005 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 15:32:49,006 INFO  L435           NwaCegarLoop]: 10873 mSDtfsCounter, 22070 mSDsluCounter, 10867 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22070 SdHoareTripleChecker+Valid, 21740 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:32:49,006 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22070 Valid, 21740 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:32:49,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7600 states.
[2024-12-02 15:32:49,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600.
[2024-12-02 15:32:49,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7600 states, 7599 states have (on average 1.4974338728780103) internal successors, (11379), 7599 states have internal predecessors, (11379), 0 states have call successors, (0), 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 15:32:49,374 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 11379 transitions.
[2024-12-02 15:32:49,374 INFO  L78                 Accepts]: Start accepts. Automaton has 7600 states and 11379 transitions. Word has length 3784
[2024-12-02 15:32:49,374 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:32:49,374 INFO  L471      AbstractCegarLoop]: Abstraction has 7600 states and 11379 transitions.
[2024-12-02 15:32:49,375 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 756.8) internal successors, (3784), 5 states have internal predecessors, (3784), 0 states have call successors, (0), 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 15:32:49,375 INFO  L276                IsEmpty]: Start isEmpty. Operand 7600 states and 11379 transitions.
[2024-12-02 15:32:49,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3786
[2024-12-02 15:32:49,439 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:32:49,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:32:49,440 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 15:32:49,440 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:32:49,441 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:32:49,442 INFO  L85        PathProgramCache]: Analyzing trace with hash -2054762126, now seen corresponding path program 1 times
[2024-12-02 15:32:49,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:32:49,442 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999093893]
[2024-12-02 15:32:49,443 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:32:49,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:32:55,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:33:04,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:33:04,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:33:04,129 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999093893]
[2024-12-02 15:33:04,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999093893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:33:04,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:33:04,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:33:04,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908966101]
[2024-12-02 15:33:04,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:33:04,131 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:33:04,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:33:04,135 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:33:04,135 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:33:04,136 INFO  L87              Difference]: Start difference. First operand 7600 states and 11379 transitions. Second operand  has 5 states, 5 states have (on average 757.0) internal successors, (3785), 5 states have internal predecessors, (3785), 0 states have call successors, (0), 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 15:33:04,329 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:33:04,330 INFO  L93              Difference]: Finished difference Result 14707 states and 22020 transitions.
[2024-12-02 15:33:04,330 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:33:04,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.0) internal successors, (3785), 5 states have internal predecessors, (3785), 0 states have call successors, (0), 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 3785
[2024-12-02 15:33:04,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:33:04,336 INFO  L225             Difference]: With dead ends: 14707
[2024-12-02 15:33:04,336 INFO  L226             Difference]: Without dead ends: 7601
[2024-12-02 15:33:04,341 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 15:33:04,341 INFO  L435           NwaCegarLoop]: 11046 mSDtfsCounter, 10776 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10776 SdHoareTripleChecker+Valid, 33133 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:33:04,341 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10776 Valid, 33133 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:33:04,348 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7601 states.
[2024-12-02 15:33:04,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7601.
[2024-12-02 15:33:04,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7601 states, 7600 states have (on average 1.4973684210526317) internal successors, (11380), 7600 states have internal predecessors, (11380), 0 states have call successors, (0), 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 15:33:04,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7601 states to 7601 states and 11380 transitions.
[2024-12-02 15:33:04,780 INFO  L78                 Accepts]: Start accepts. Automaton has 7601 states and 11380 transitions. Word has length 3785
[2024-12-02 15:33:04,780 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:33:04,780 INFO  L471      AbstractCegarLoop]: Abstraction has 7601 states and 11380 transitions.
[2024-12-02 15:33:04,781 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.0) internal successors, (3785), 5 states have internal predecessors, (3785), 0 states have call successors, (0), 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 15:33:04,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 7601 states and 11380 transitions.
[2024-12-02 15:33:04,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3786
[2024-12-02 15:33:04,845 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:33:04,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:33:04,846 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 15:33:04,846 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:33:04,847 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:33:04,848 INFO  L85        PathProgramCache]: Analyzing trace with hash -209115854, now seen corresponding path program 1 times
[2024-12-02 15:33:04,848 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:33:04,848 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700786081]
[2024-12-02 15:33:04,848 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:33:04,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:33:10,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:33:26,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:33:26,409 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:33:26,409 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700786081]
[2024-12-02 15:33:26,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700786081] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:33:26,409 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:33:26,410 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 15:33:26,410 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760937807]
[2024-12-02 15:33:26,410 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:33:26,413 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:33:26,413 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:33:26,416 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:33:26,416 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:33:26,417 INFO  L87              Difference]: Start difference. First operand 7601 states and 11380 transitions. Second operand  has 6 states, 6 states have (on average 630.8333333333334) internal successors, (3785), 6 states have internal predecessors, (3785), 0 states have call successors, (0), 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 15:33:31,049 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:33:31,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:33:31,259 INFO  L93              Difference]: Finished difference Result 14718 states and 22036 transitions.
[2024-12-02 15:33:31,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:33:31,261 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 630.8333333333334) internal successors, (3785), 6 states have internal predecessors, (3785), 0 states have call successors, (0), 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 3785
[2024-12-02 15:33:31,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:33:31,267 INFO  L225             Difference]: With dead ends: 14718
[2024-12-02 15:33:31,267 INFO  L226             Difference]: Without dead ends: 7611
[2024-12-02 15:33:31,271 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:33:31,272 INFO  L435           NwaCegarLoop]: 10941 mSDtfsCounter, 21799 mSDsluCounter, 21875 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21799 SdHoareTripleChecker+Valid, 32816 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time
[2024-12-02 15:33:31,272 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21799 Valid, 32816 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 372 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time]
[2024-12-02 15:33:31,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7611 states.
[2024-12-02 15:33:31,329 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7611 to 7603.
[2024-12-02 15:33:31,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7603 states, 7602 states have (on average 1.4972375690607735) internal successors, (11382), 7602 states have internal predecessors, (11382), 0 states have call successors, (0), 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 15:33:31,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7603 states to 7603 states and 11382 transitions.
[2024-12-02 15:33:31,343 INFO  L78                 Accepts]: Start accepts. Automaton has 7603 states and 11382 transitions. Word has length 3785
[2024-12-02 15:33:31,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:33:31,343 INFO  L471      AbstractCegarLoop]: Abstraction has 7603 states and 11382 transitions.
[2024-12-02 15:33:31,344 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 630.8333333333334) internal successors, (3785), 6 states have internal predecessors, (3785), 0 states have call successors, (0), 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 15:33:31,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 7603 states and 11382 transitions.
[2024-12-02 15:33:31,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3787
[2024-12-02 15:33:31,410 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:33:31,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:33:31,411 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 15:33:31,411 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:33:31,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:33:31,412 INFO  L85        PathProgramCache]: Analyzing trace with hash 1719505801, now seen corresponding path program 1 times
[2024-12-02 15:33:31,412 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:33:31,412 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057559576]
[2024-12-02 15:33:31,413 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:33:31,413 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:33:32,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:33:39,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:33:39,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:33:39,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057559576]
[2024-12-02 15:33:39,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057559576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:33:39,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:33:39,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:33:39,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562165533]
[2024-12-02 15:33:39,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:33:39,407 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:33:39,407 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:33:39,409 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:33:39,409 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:33:39,410 INFO  L87              Difference]: Start difference. First operand 7603 states and 11382 transitions. Second operand  has 4 states, 4 states have (on average 946.5) internal successors, (3786), 4 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:33:39,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:33:39,974 INFO  L93              Difference]: Finished difference Result 18870 states and 28261 transitions.
[2024-12-02 15:33:39,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:33:39,975 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 946.5) internal successors, (3786), 4 states have internal predecessors, (3786), 0 states have call successors, (0), 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 3786
[2024-12-02 15:33:39,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:33:39,983 INFO  L225             Difference]: With dead ends: 18870
[2024-12-02 15:33:39,983 INFO  L226             Difference]: Without dead ends: 7606
[2024-12-02 15:33:39,988 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 15:33:39,990 INFO  L435           NwaCegarLoop]: 11028 mSDtfsCounter, 4142 mSDsluCounter, 21893 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 32921 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:33:39,991 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 32921 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:33:40,000 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7606 states.
[2024-12-02 15:33:40,052 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 7605.
[2024-12-02 15:33:40,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7605 states, 7604 states have (on average 1.497238295633877) internal successors, (11385), 7604 states have internal predecessors, (11385), 0 states have call successors, (0), 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 15:33:40,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 11385 transitions.
[2024-12-02 15:33:40,066 INFO  L78                 Accepts]: Start accepts. Automaton has 7605 states and 11385 transitions. Word has length 3786
[2024-12-02 15:33:40,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:33:40,066 INFO  L471      AbstractCegarLoop]: Abstraction has 7605 states and 11385 transitions.
[2024-12-02 15:33:40,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 946.5) internal successors, (3786), 4 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:33:40,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 7605 states and 11385 transitions.
[2024-12-02 15:33:40,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3787
[2024-12-02 15:33:40,233 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:33:40,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:33:40,234 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 15:33:40,234 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:33:40,235 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:33:40,236 INFO  L85        PathProgramCache]: Analyzing trace with hash 1538541722, now seen corresponding path program 1 times
[2024-12-02 15:33:40,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:33:40,236 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113208318]
[2024-12-02 15:33:40,236 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:33:40,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:33:42,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:33:50,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:33:50,345 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:33:50,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113208318]
[2024-12-02 15:33:50,346 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113208318] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:33:50,346 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:33:50,346 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:33:50,346 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005373111]
[2024-12-02 15:33:50,346 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:33:50,348 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:33:50,348 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:33:50,350 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:33:50,350 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:33:50,351 INFO  L87              Difference]: Start difference. First operand 7605 states and 11385 transitions. Second operand  has 5 states, 5 states have (on average 757.2) internal successors, (3786), 5 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:33:50,933 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:33:50,933 INFO  L93              Difference]: Finished difference Result 14717 states and 22032 transitions.
[2024-12-02 15:33:50,934 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:33:50,934 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.2) internal successors, (3786), 5 states have internal predecessors, (3786), 0 states have call successors, (0), 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 3786
[2024-12-02 15:33:50,935 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:33:50,940 INFO  L225             Difference]: With dead ends: 14717
[2024-12-02 15:33:50,940 INFO  L226             Difference]: Without dead ends: 7606
[2024-12-02 15:33:50,944 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 15:33:50,945 INFO  L435           NwaCegarLoop]: 10873 mSDtfsCounter, 11026 mSDsluCounter, 10867 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11026 SdHoareTripleChecker+Valid, 21740 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:33:50,945 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11026 Valid, 21740 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 15:33:50,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7606 states.
[2024-12-02 15:33:51,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 7606.
[2024-12-02 15:33:51,376 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7606 states, 7605 states have (on average 1.497172912557528) internal successors, (11386), 7605 states have internal predecessors, (11386), 0 states have call successors, (0), 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 15:33:51,384 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7606 states to 7606 states and 11386 transitions.
[2024-12-02 15:33:51,384 INFO  L78                 Accepts]: Start accepts. Automaton has 7606 states and 11386 transitions. Word has length 3786
[2024-12-02 15:33:51,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:33:51,384 INFO  L471      AbstractCegarLoop]: Abstraction has 7606 states and 11386 transitions.
[2024-12-02 15:33:51,385 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.2) internal successors, (3786), 5 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:33:51,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 7606 states and 11386 transitions.
[2024-12-02 15:33:51,451 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3787
[2024-12-02 15:33:51,451 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:33:51,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:33:51,452 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 15:33:51,452 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:33:51,453 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:33:51,453 INFO  L85        PathProgramCache]: Analyzing trace with hash -1174937008, now seen corresponding path program 1 times
[2024-12-02 15:33:51,453 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:33:51,454 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957982226]
[2024-12-02 15:33:51,454 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:33:51,454 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:33:57,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:34:20,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:34:20,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:34:20,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957982226]
[2024-12-02 15:34:20,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957982226] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:34:20,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:34:20,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 15:34:20,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701950946]
[2024-12-02 15:34:20,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:34:20,359 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 15:34:20,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:34:20,361 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 15:34:20,361 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:34:20,362 INFO  L87              Difference]: Start difference. First operand 7606 states and 11386 transitions. Second operand  has 10 states, 10 states have (on average 378.6) internal successors, (3786), 10 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:34:23,012 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:34:27,187 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:34:28,778 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:34:32,911 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:34:34,978 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:34:35,558 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:34:35,558 INFO  L93              Difference]: Finished difference Result 18919 states and 28329 transitions.
[2024-12-02 15:34:35,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 15:34:35,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 378.6) internal successors, (3786), 10 states have internal predecessors, (3786), 0 states have call successors, (0), 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 3786
[2024-12-02 15:34:35,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:34:35,569 INFO  L225             Difference]: With dead ends: 18919
[2024-12-02 15:34:35,569 INFO  L226             Difference]: Without dead ends: 11807
[2024-12-02 15:34:35,574 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2024-12-02 15:34:35,575 INFO  L435           NwaCegarLoop]: 17157 mSDtfsCounter, 28093 mSDsluCounter, 96660 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28093 SdHoareTripleChecker+Valid, 113817 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time
[2024-12-02 15:34:35,575 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [28093 Valid, 113817 Invalid, 1245 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6 Valid, 1237 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time]
[2024-12-02 15:34:35,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11807 states.
[2024-12-02 15:34:35,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11807 to 7614.
[2024-12-02 15:34:35,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7614 states, 7613 states have (on average 1.4970445290949692) internal successors, (11397), 7613 states have internal predecessors, (11397), 0 states have call successors, (0), 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 15:34:35,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11397 transitions.
[2024-12-02 15:34:35,664 INFO  L78                 Accepts]: Start accepts. Automaton has 7614 states and 11397 transitions. Word has length 3786
[2024-12-02 15:34:35,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:34:35,664 INFO  L471      AbstractCegarLoop]: Abstraction has 7614 states and 11397 transitions.
[2024-12-02 15:34:35,665 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 378.6) internal successors, (3786), 10 states have internal predecessors, (3786), 0 states have call successors, (0), 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 15:34:35,665 INFO  L276                IsEmpty]: Start isEmpty. Operand 7614 states and 11397 transitions.
[2024-12-02 15:34:35,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3788
[2024-12-02 15:34:35,731 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:34:35,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:34:35,732 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 15:34:35,732 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:34:35,733 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:34:35,733 INFO  L85        PathProgramCache]: Analyzing trace with hash 1726292339, now seen corresponding path program 1 times
[2024-12-02 15:34:35,733 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:34:35,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885665235]
[2024-12-02 15:34:35,734 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:34:35,734 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:34:42,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:34:50,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:34:50,269 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:34:50,269 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885665235]
[2024-12-02 15:34:50,270 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885665235] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:34:50,270 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:34:50,270 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:34:50,270 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934228197]
[2024-12-02 15:34:50,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:34:50,272 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:34:50,272 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:34:50,273 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:34:50,274 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:34:50,274 INFO  L87              Difference]: Start difference. First operand 7614 states and 11397 transitions. Second operand  has 5 states, 5 states have (on average 757.4) internal successors, (3787), 5 states have internal predecessors, (3787), 0 states have call successors, (0), 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 15:34:50,615 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:34:50,615 INFO  L93              Difference]: Finished difference Result 14734 states and 22054 transitions.
[2024-12-02 15:34:50,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:34:50,617 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.4) internal successors, (3787), 5 states have internal predecessors, (3787), 0 states have call successors, (0), 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 3787
[2024-12-02 15:34:50,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:34:50,623 INFO  L225             Difference]: With dead ends: 14734
[2024-12-02 15:34:50,623 INFO  L226             Difference]: Without dead ends: 7614
[2024-12-02 15:34:50,627 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 15:34:50,627 INFO  L435           NwaCegarLoop]: 10943 mSDtfsCounter, 11016 mSDsluCounter, 10941 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11016 SdHoareTripleChecker+Valid, 21884 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:34:50,627 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11016 Valid, 21884 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:34:50,634 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7614 states.
[2024-12-02 15:34:50,685 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7614 to 7614.
[2024-12-02 15:34:50,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7614 states, 7613 states have (on average 1.4969131748325233) internal successors, (11396), 7613 states have internal predecessors, (11396), 0 states have call successors, (0), 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 15:34:50,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11396 transitions.
[2024-12-02 15:34:50,700 INFO  L78                 Accepts]: Start accepts. Automaton has 7614 states and 11396 transitions. Word has length 3787
[2024-12-02 15:34:50,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:34:50,700 INFO  L471      AbstractCegarLoop]: Abstraction has 7614 states and 11396 transitions.
[2024-12-02 15:34:50,701 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.4) internal successors, (3787), 5 states have internal predecessors, (3787), 0 states have call successors, (0), 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 15:34:50,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 7614 states and 11396 transitions.
[2024-12-02 15:34:50,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3789
[2024-12-02 15:34:50,767 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:34:50,768 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:34:50,768 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 15:34:50,768 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:34:50,769 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:34:50,769 INFO  L85        PathProgramCache]: Analyzing trace with hash 541431659, now seen corresponding path program 1 times
[2024-12-02 15:34:50,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:34:50,770 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414836671]
[2024-12-02 15:34:50,770 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:34:50,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:34:51,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:34:56,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:34:56,555 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:34:56,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414836671]
[2024-12-02 15:34:56,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414836671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:34:56,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:34:56,555 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:34:56,555 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230257962]
[2024-12-02 15:34:56,555 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:34:56,557 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:34:56,557 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:34:56,559 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:34:56,559 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:34:56,560 INFO  L87              Difference]: Start difference. First operand 7614 states and 11396 transitions. Second operand  has 4 states, 4 states have (on average 947.0) internal successors, (3788), 4 states have internal predecessors, (3788), 0 states have call successors, (0), 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 15:34:57,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:34:57,054 INFO  L93              Difference]: Finished difference Result 14734 states and 22052 transitions.
[2024-12-02 15:34:57,055 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:34:57,056 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 947.0) internal successors, (3788), 4 states have internal predecessors, (3788), 0 states have call successors, (0), 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 3788
[2024-12-02 15:34:57,056 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:34:57,061 INFO  L225             Difference]: With dead ends: 14734
[2024-12-02 15:34:57,062 INFO  L226             Difference]: Without dead ends: 7614
[2024-12-02 15:34:57,066 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 15:34:57,066 INFO  L435           NwaCegarLoop]: 10872 mSDtfsCounter, 11048 mSDsluCounter, 10867 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11048 SdHoareTripleChecker+Valid, 21739 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:34:57,067 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11048 Valid, 21739 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:34:57,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7614 states.
[2024-12-02 15:34:57,122 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7614 to 7614.
[2024-12-02 15:34:57,128 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7614 states, 7613 states have (on average 1.4967818205700776) internal successors, (11395), 7613 states have internal predecessors, (11395), 0 states have call successors, (0), 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 15:34:57,136 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11395 transitions.
[2024-12-02 15:34:57,136 INFO  L78                 Accepts]: Start accepts. Automaton has 7614 states and 11395 transitions. Word has length 3788
[2024-12-02 15:34:57,136 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:34:57,136 INFO  L471      AbstractCegarLoop]: Abstraction has 7614 states and 11395 transitions.
[2024-12-02 15:34:57,137 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 947.0) internal successors, (3788), 4 states have internal predecessors, (3788), 0 states have call successors, (0), 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 15:34:57,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 7614 states and 11395 transitions.
[2024-12-02 15:34:57,202 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3789
[2024-12-02 15:34:57,202 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:34:57,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:34:57,203 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 15:34:57,203 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:34:57,204 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:34:57,205 INFO  L85        PathProgramCache]: Analyzing trace with hash 1331968954, now seen corresponding path program 1 times
[2024-12-02 15:34:57,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:34:57,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420684721]
[2024-12-02 15:34:57,205 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:34:57,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:34:59,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:35:07,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:35:07,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:35:07,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420684721]
[2024-12-02 15:35:07,315 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420684721] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:35:07,315 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:35:07,315 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:35:07,315 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843702729]
[2024-12-02 15:35:07,315 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:35:07,317 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:35:07,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:35:07,319 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:35:07,319 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:35:07,319 INFO  L87              Difference]: Start difference. First operand 7614 states and 11395 transitions. Second operand  has 5 states, 5 states have (on average 757.6) internal successors, (3788), 5 states have internal predecessors, (3788), 0 states have call successors, (0), 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 15:35:07,870 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:35:07,871 INFO  L93              Difference]: Finished difference Result 14734 states and 22050 transitions.
[2024-12-02 15:35:07,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:35:07,872 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.6) internal successors, (3788), 5 states have internal predecessors, (3788), 0 states have call successors, (0), 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 3788
[2024-12-02 15:35:07,872 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:35:07,878 INFO  L225             Difference]: With dead ends: 14734
[2024-12-02 15:35:07,878 INFO  L226             Difference]: Without dead ends: 7614
[2024-12-02 15:35:07,882 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 15:35:07,883 INFO  L435           NwaCegarLoop]: 10872 mSDtfsCounter, 11012 mSDsluCounter, 10867 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11012 SdHoareTripleChecker+Valid, 21739 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:35:07,883 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11012 Valid, 21739 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:35:07,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7614 states.
[2024-12-02 15:35:07,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7614 to 7614.
[2024-12-02 15:35:07,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7614 states, 7613 states have (on average 1.4966504663076317) internal successors, (11394), 7613 states have internal predecessors, (11394), 0 states have call successors, (0), 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 15:35:07,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11394 transitions.
[2024-12-02 15:35:07,955 INFO  L78                 Accepts]: Start accepts. Automaton has 7614 states and 11394 transitions. Word has length 3788
[2024-12-02 15:35:07,955 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:35:07,956 INFO  L471      AbstractCegarLoop]: Abstraction has 7614 states and 11394 transitions.
[2024-12-02 15:35:07,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.6) internal successors, (3788), 5 states have internal predecessors, (3788), 0 states have call successors, (0), 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 15:35:07,956 INFO  L276                IsEmpty]: Start isEmpty. Operand 7614 states and 11394 transitions.
[2024-12-02 15:35:08,121 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3790
[2024-12-02 15:35:08,122 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:35:08,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:35:08,122 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 15:35:08,123 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:35:08,123 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:35:08,124 INFO  L85        PathProgramCache]: Analyzing trace with hash -1693446933, now seen corresponding path program 1 times
[2024-12-02 15:35:08,124 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:35:08,124 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995560845]
[2024-12-02 15:35:08,124 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:35:08,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:35:14,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:35:24,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:35:24,863 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:35:24,863 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995560845]
[2024-12-02 15:35:24,863 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995560845] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:35:24,863 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:35:24,863 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:35:24,863 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961878665]
[2024-12-02 15:35:24,863 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:35:24,865 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:35:24,865 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:35:24,867 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:35:24,867 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:35:24,868 INFO  L87              Difference]: Start difference. First operand 7614 states and 11394 transitions. Second operand  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 15:35:25,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:35:25,077 INFO  L93              Difference]: Finished difference Result 14735 states and 22050 transitions.
[2024-12-02 15:35:25,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:35:25,078 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 3789
[2024-12-02 15:35:25,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:35:25,084 INFO  L225             Difference]: With dead ends: 14735
[2024-12-02 15:35:25,084 INFO  L226             Difference]: Without dead ends: 7615
[2024-12-02 15:35:25,088 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 15:35:25,089 INFO  L435           NwaCegarLoop]: 11044 mSDtfsCounter, 10745 mSDsluCounter, 22083 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10745 SdHoareTripleChecker+Valid, 33127 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:35:25,089 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10745 Valid, 33127 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:35:25,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7615 states.
[2024-12-02 15:35:25,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7615.
[2024-12-02 15:35:25,152 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7615 states, 7614 states have (on average 1.4965852377199895) internal successors, (11395), 7614 states have internal predecessors, (11395), 0 states have call successors, (0), 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 15:35:25,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 11395 transitions.
[2024-12-02 15:35:25,160 INFO  L78                 Accepts]: Start accepts. Automaton has 7615 states and 11395 transitions. Word has length 3789
[2024-12-02 15:35:25,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:35:25,161 INFO  L471      AbstractCegarLoop]: Abstraction has 7615 states and 11395 transitions.
[2024-12-02 15:35:25,162 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 15:35:25,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 7615 states and 11395 transitions.
[2024-12-02 15:35:25,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3790
[2024-12-02 15:35:25,228 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:35:25,229 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:35:25,229 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 15:35:25,229 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:35:25,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:35:25,230 INFO  L85        PathProgramCache]: Analyzing trace with hash -1952341845, now seen corresponding path program 1 times
[2024-12-02 15:35:25,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:35:25,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867987657]
[2024-12-02 15:35:25,230 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:35:25,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:35:31,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:35:40,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:35:40,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:35:40,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867987657]
[2024-12-02 15:35:40,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867987657] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:35:40,358 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:35:40,358 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:35:40,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119426163]
[2024-12-02 15:35:40,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:35:40,362 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:35:40,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:35:40,364 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:35:40,364 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:35:40,365 INFO  L87              Difference]: Start difference. First operand 7615 states and 11395 transitions. Second operand  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 15:35:40,738 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:35:40,738 INFO  L93              Difference]: Finished difference Result 14736 states and 22050 transitions.
[2024-12-02 15:35:40,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:35:40,740 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 3789
[2024-12-02 15:35:40,740 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:35:40,746 INFO  L225             Difference]: With dead ends: 14736
[2024-12-02 15:35:40,746 INFO  L226             Difference]: Without dead ends: 7615
[2024-12-02 15:35:40,750 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 15:35:40,750 INFO  L435           NwaCegarLoop]: 10940 mSDtfsCounter, 21719 mSDsluCounter, 10937 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21719 SdHoareTripleChecker+Valid, 21877 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:35:40,750 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21719 Valid, 21877 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:35:40,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7615 states.
[2024-12-02 15:35:40,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7615.
[2024-12-02 15:35:40,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7615 states, 7614 states have (on average 1.49645390070922) internal successors, (11394), 7614 states have internal predecessors, (11394), 0 states have call successors, (0), 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 15:35:40,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 11394 transitions.
[2024-12-02 15:35:40,820 INFO  L78                 Accepts]: Start accepts. Automaton has 7615 states and 11394 transitions. Word has length 3789
[2024-12-02 15:35:40,820 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:35:40,820 INFO  L471      AbstractCegarLoop]: Abstraction has 7615 states and 11394 transitions.
[2024-12-02 15:35:40,821 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 757.8) internal successors, (3789), 5 states have internal predecessors, (3789), 0 states have call successors, (0), 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 15:35:40,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 7615 states and 11394 transitions.
[2024-12-02 15:35:40,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3791
[2024-12-02 15:35:40,955 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:35:40,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:35:40,956 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 15:35:40,956 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:35:40,957 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:35:40,957 INFO  L85        PathProgramCache]: Analyzing trace with hash 944075916, now seen corresponding path program 1 times
[2024-12-02 15:35:40,957 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:35:40,957 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80347973]
[2024-12-02 15:35:40,958 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:35:40,958 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:35:41,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:35:47,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:35:47,713 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:35:47,713 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80347973]
[2024-12-02 15:35:47,713 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80347973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:35:47,713 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:35:47,713 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:35:47,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468678838]
[2024-12-02 15:35:47,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:35:47,716 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:35:47,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:35:47,718 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:35:47,718 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:35:47,719 INFO  L87              Difference]: Start difference. First operand 7615 states and 11394 transitions. Second operand  has 4 states, 4 states have (on average 947.5) internal successors, (3790), 4 states have internal predecessors, (3790), 0 states have call successors, (0), 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 15:35:48,187 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:35:48,187 INFO  L93              Difference]: Finished difference Result 14736 states and 22048 transitions.
[2024-12-02 15:35:48,188 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:35:48,189 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 947.5) internal successors, (3790), 4 states have internal predecessors, (3790), 0 states have call successors, (0), 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 3790
[2024-12-02 15:35:48,189 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:35:48,195 INFO  L225             Difference]: With dead ends: 14736
[2024-12-02 15:35:48,195 INFO  L226             Difference]: Without dead ends: 7615
[2024-12-02 15:35:48,199 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 15:35:48,200 INFO  L435           NwaCegarLoop]: 10871 mSDtfsCounter, 11037 mSDsluCounter, 10865 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11037 SdHoareTripleChecker+Valid, 21736 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:35:48,200 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11037 Valid, 21736 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:35:48,207 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7615 states.
[2024-12-02 15:35:48,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7615.
[2024-12-02 15:35:48,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7615 states, 7614 states have (on average 1.4963225636984503) internal successors, (11393), 7614 states have internal predecessors, (11393), 0 states have call successors, (0), 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 15:35:48,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 11393 transitions.
[2024-12-02 15:35:48,270 INFO  L78                 Accepts]: Start accepts. Automaton has 7615 states and 11393 transitions. Word has length 3790
[2024-12-02 15:35:48,270 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:35:48,270 INFO  L471      AbstractCegarLoop]: Abstraction has 7615 states and 11393 transitions.
[2024-12-02 15:35:48,271 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 947.5) internal successors, (3790), 4 states have internal predecessors, (3790), 0 states have call successors, (0), 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 15:35:48,271 INFO  L276                IsEmpty]: Start isEmpty. Operand 7615 states and 11393 transitions.
[2024-12-02 15:35:48,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3791
[2024-12-02 15:35:48,423 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:35:48,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:35:48,424 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 15:35:48,424 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:35:48,425 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:35:48,425 INFO  L85        PathProgramCache]: Analyzing trace with hash -1317742757, now seen corresponding path program 1 times
[2024-12-02 15:35:48,425 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:35:48,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100670298]
[2024-12-02 15:35:48,426 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:35:48,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:35:50,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:35:57,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:35:57,987 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:35:57,987 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100670298]
[2024-12-02 15:35:57,987 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100670298] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:35:57,987 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:35:57,988 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:35:57,988 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564133627]
[2024-12-02 15:35:57,988 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:35:57,989 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:35:57,990 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:35:57,991 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:35:57,991 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:35:57,992 INFO  L87              Difference]: Start difference. First operand 7615 states and 11393 transitions. Second operand  has 5 states, 5 states have (on average 758.0) internal successors, (3790), 5 states have internal predecessors, (3790), 0 states have call successors, (0), 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 15:35:58,583 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:35:58,583 INFO  L93              Difference]: Finished difference Result 14736 states and 22046 transitions.
[2024-12-02 15:35:58,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:35:58,584 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 758.0) internal successors, (3790), 5 states have internal predecessors, (3790), 0 states have call successors, (0), 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 3790
[2024-12-02 15:35:58,584 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:35:58,588 INFO  L225             Difference]: With dead ends: 14736
[2024-12-02 15:35:58,588 INFO  L226             Difference]: Without dead ends: 7615
[2024-12-02 15:35:58,591 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 15:35:58,591 INFO  L435           NwaCegarLoop]: 10871 mSDtfsCounter, 21980 mSDsluCounter, 10865 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21980 SdHoareTripleChecker+Valid, 21736 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:35:58,591 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21980 Valid, 21736 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 15:35:58,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7615 states.
[2024-12-02 15:35:58,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7615.
[2024-12-02 15:35:58,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7615 states, 7614 states have (on average 1.4961912266876807) internal successors, (11392), 7614 states have internal predecessors, (11392), 0 states have call successors, (0), 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 15:35:58,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7615 states to 7615 states and 11392 transitions.
[2024-12-02 15:35:58,653 INFO  L78                 Accepts]: Start accepts. Automaton has 7615 states and 11392 transitions. Word has length 3790
[2024-12-02 15:35:58,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:35:58,653 INFO  L471      AbstractCegarLoop]: Abstraction has 7615 states and 11392 transitions.
[2024-12-02 15:35:58,654 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 758.0) internal successors, (3790), 5 states have internal predecessors, (3790), 0 states have call successors, (0), 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 15:35:58,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 7615 states and 11392 transitions.
[2024-12-02 15:35:58,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3792
[2024-12-02 15:35:58,718 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:35:58,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:35:58,719 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 15:35:58,719 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:35:58,720 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:35:58,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 58539331, now seen corresponding path program 1 times
[2024-12-02 15:35:58,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:35:58,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357033432]
[2024-12-02 15:35:58,720 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:35:58,721 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:36:04,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:36:11,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:36:11,231 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:36:11,231 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357033432]
[2024-12-02 15:36:11,231 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357033432] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:36:11,231 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:36:11,232 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:36:11,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589835601]
[2024-12-02 15:36:11,232 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:36:11,233 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:36:11,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:36:11,235 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:36:11,235 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:36:11,236 INFO  L87              Difference]: Start difference. First operand 7615 states and 11392 transitions. Second operand  has 5 states, 5 states have (on average 758.2) internal successors, (3791), 5 states have internal predecessors, (3791), 0 states have call successors, (0), 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 15:36:11,444 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:36:11,444 INFO  L93              Difference]: Finished difference Result 14737 states and 22046 transitions.
[2024-12-02 15:36:11,444 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:36:11,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 758.2) internal successors, (3791), 5 states have internal predecessors, (3791), 0 states have call successors, (0), 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 3791
[2024-12-02 15:36:11,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:36:11,453 INFO  L225             Difference]: With dead ends: 14737
[2024-12-02 15:36:11,453 INFO  L226             Difference]: Without dead ends: 7616
[2024-12-02 15:36:11,459 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 15:36:11,460 INFO  L435           NwaCegarLoop]: 11040 mSDtfsCounter, 10728 mSDsluCounter, 22075 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10728 SdHoareTripleChecker+Valid, 33115 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:36:11,460 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10728 Valid, 33115 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:36:11,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7616 states.
[2024-12-02 15:36:11,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 7616.
[2024-12-02 15:36:11,534 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7616 states, 7615 states have (on average 1.4961260669730794) internal successors, (11393), 7615 states have internal predecessors, (11393), 0 states have call successors, (0), 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 15:36:11,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7616 states to 7616 states and 11393 transitions.
[2024-12-02 15:36:11,542 INFO  L78                 Accepts]: Start accepts. Automaton has 7616 states and 11393 transitions. Word has length 3791
[2024-12-02 15:36:11,543 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:36:11,543 INFO  L471      AbstractCegarLoop]: Abstraction has 7616 states and 11393 transitions.
[2024-12-02 15:36:11,543 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 758.2) internal successors, (3791), 5 states have internal predecessors, (3791), 0 states have call successors, (0), 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 15:36:11,544 INFO  L276                IsEmpty]: Start isEmpty. Operand 7616 states and 11393 transitions.
[2024-12-02 15:36:11,640 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3792
[2024-12-02 15:36:11,640 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:36:11,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:11,641 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 15:36:11,641 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:36:11,642 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:36:11,643 INFO  L85        PathProgramCache]: Analyzing trace with hash 821981443, now seen corresponding path program 1 times
[2024-12-02 15:36:11,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:36:11,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067925450]
[2024-12-02 15:36:11,644 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:36:11,644 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:36:17,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:36:31,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:36:31,127 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:36:31,127 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067925450]
[2024-12-02 15:36:31,127 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067925450] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:36:31,127 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:36:31,128 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:36:31,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013304078]
[2024-12-02 15:36:31,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:36:31,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:36:31,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:36:31,131 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:36:31,131 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:36:31,132 INFO  L87              Difference]: Start difference. First operand 7616 states and 11393 transitions. Second operand  has 7 states, 7 states have (on average 541.5714285714286) internal successors, (3791), 7 states have internal predecessors, (3791), 0 states have call successors, (0), 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 15:36:34,539 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:36:34,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:36:34,833 INFO  L93              Difference]: Finished difference Result 14820 states and 22170 transitions.
[2024-12-02 15:36:34,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 15:36:34,834 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 541.5714285714286) internal successors, (3791), 7 states have internal predecessors, (3791), 0 states have call successors, (0), 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 3791
[2024-12-02 15:36:34,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:36:34,841 INFO  L225             Difference]: With dead ends: 14820
[2024-12-02 15:36:34,841 INFO  L226             Difference]: Without dead ends: 7698
[2024-12-02 15:36:34,845 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:36:34,846 INFO  L435           NwaCegarLoop]: 10936 mSDtfsCounter, 9135 mSDsluCounter, 32786 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9135 SdHoareTripleChecker+Valid, 43722 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2024-12-02 15:36:34,846 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9135 Valid, 43722 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2024-12-02 15:36:34,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7698 states.
[2024-12-02 15:36:34,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7690.
[2024-12-02 15:36:34,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7690 states, 7689 states have (on average 1.4960332943165562) internal successors, (11503), 7689 states have internal predecessors, (11503), 0 states have call successors, (0), 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 15:36:34,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 11503 transitions.
[2024-12-02 15:36:34,924 INFO  L78                 Accepts]: Start accepts. Automaton has 7690 states and 11503 transitions. Word has length 3791
[2024-12-02 15:36:34,925 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:36:34,925 INFO  L471      AbstractCegarLoop]: Abstraction has 7690 states and 11503 transitions.
[2024-12-02 15:36:34,926 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 541.5714285714286) internal successors, (3791), 7 states have internal predecessors, (3791), 0 states have call successors, (0), 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 15:36:34,926 INFO  L276                IsEmpty]: Start isEmpty. Operand 7690 states and 11503 transitions.
[2024-12-02 15:36:34,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3793
[2024-12-02 15:36:34,983 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:36:34,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:36:34,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 15:36:34,984 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:36:34,984 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:36:34,985 INFO  L85        PathProgramCache]: Analyzing trace with hash 1714229332, now seen corresponding path program 1 times
[2024-12-02 15:36:34,985 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:36:34,985 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101008477]
[2024-12-02 15:36:34,985 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:36:34,985 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:36:36,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:36:41,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:36:41,937 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:36:41,937 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101008477]
[2024-12-02 15:36:41,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101008477] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:36:41,937 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:36:41,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:36:41,938 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795932512]
[2024-12-02 15:36:41,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:36:41,940 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:36:41,940 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:36:41,941 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:36:41,941 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:36:41,942 INFO  L87              Difference]: Start difference. First operand 7690 states and 11503 transitions. Second operand  has 4 states, 4 states have (on average 948.0) internal successors, (3792), 4 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:36:42,320 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:36:42,320 INFO  L93              Difference]: Finished difference Result 14889 states and 22272 transitions.
[2024-12-02 15:36:42,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:36:42,321 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 948.0) internal successors, (3792), 4 states have internal predecessors, (3792), 0 states have call successors, (0), 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 3792
[2024-12-02 15:36:42,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:36:42,328 INFO  L225             Difference]: With dead ends: 14889
[2024-12-02 15:36:42,328 INFO  L226             Difference]: Without dead ends: 7693
[2024-12-02 15:36:42,332 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 15:36:42,333 INFO  L435           NwaCegarLoop]: 10871 mSDtfsCounter, 8976 mSDsluCounter, 10865 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8976 SdHoareTripleChecker+Valid, 21736 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 15:36:42,333 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8976 Valid, 21736 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 15:36:42,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7693 states.
[2024-12-02 15:36:42,385 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7693 to 7692.
[2024-12-02 15:36:42,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7692 states, 7691 states have (on average 1.496034325835392) internal successors, (11506), 7691 states have internal predecessors, (11506), 0 states have call successors, (0), 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 15:36:42,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7692 states to 7692 states and 11506 transitions.
[2024-12-02 15:36:42,399 INFO  L78                 Accepts]: Start accepts. Automaton has 7692 states and 11506 transitions. Word has length 3792
[2024-12-02 15:36:42,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:36:42,400 INFO  L471      AbstractCegarLoop]: Abstraction has 7692 states and 11506 transitions.
[2024-12-02 15:36:42,400 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 948.0) internal successors, (3792), 4 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:36:42,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 7692 states and 11506 transitions.
[2024-12-02 15:36:42,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3793
[2024-12-02 15:36:42,525 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:36:42,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:36:42,525 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-12-02 15:36:42,525 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:36:42,526 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:36:42,527 INFO  L85        PathProgramCache]: Analyzing trace with hash 379037797, now seen corresponding path program 1 times
[2024-12-02 15:36:42,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:36:42,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899594760]
[2024-12-02 15:36:42,527 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:36:42,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:36:44,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:36:52,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:36:52,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:36:52,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899594760]
[2024-12-02 15:36:52,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899594760] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:36:52,381 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:36:52,381 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:36:52,381 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554369815]
[2024-12-02 15:36:52,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:36:52,383 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:36:52,383 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:36:52,384 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:36:52,384 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:36:52,385 INFO  L87              Difference]: Start difference. First operand 7692 states and 11506 transitions. Second operand  has 5 states, 5 states have (on average 758.4) internal successors, (3792), 5 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:36:52,871 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:36:52,871 INFO  L93              Difference]: Finished difference Result 14891 states and 22274 transitions.
[2024-12-02 15:36:52,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:36:52,873 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 758.4) internal successors, (3792), 5 states have internal predecessors, (3792), 0 states have call successors, (0), 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 3792
[2024-12-02 15:36:52,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:36:52,879 INFO  L225             Difference]: With dead ends: 14891
[2024-12-02 15:36:52,879 INFO  L226             Difference]: Without dead ends: 7693
[2024-12-02 15:36:52,883 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 15:36:52,883 INFO  L435           NwaCegarLoop]: 10871 mSDtfsCounter, 8942 mSDsluCounter, 10865 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8942 SdHoareTripleChecker+Valid, 21736 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:36:52,883 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8942 Valid, 21736 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:36:52,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7693 states.
[2024-12-02 15:36:52,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7693 to 7693.
[2024-12-02 15:36:52,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7693 states, 7692 states have (on average 1.4959698387935518) internal successors, (11507), 7692 states have internal predecessors, (11507), 0 states have call successors, (0), 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 15:36:52,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7693 states to 7693 states and 11507 transitions.
[2024-12-02 15:36:52,946 INFO  L78                 Accepts]: Start accepts. Automaton has 7693 states and 11507 transitions. Word has length 3792
[2024-12-02 15:36:52,947 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:36:52,947 INFO  L471      AbstractCegarLoop]: Abstraction has 7693 states and 11507 transitions.
[2024-12-02 15:36:52,948 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 758.4) internal successors, (3792), 5 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:36:52,948 INFO  L276                IsEmpty]: Start isEmpty. Operand 7693 states and 11507 transitions.
[2024-12-02 15:36:53,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3793
[2024-12-02 15:36:53,003 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:36:53,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:36:53,004 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-12-02 15:36:53,004 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:36:53,004 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:36:53,005 INFO  L85        PathProgramCache]: Analyzing trace with hash -662187815, now seen corresponding path program 1 times
[2024-12-02 15:36:53,005 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:36:53,005 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045248880]
[2024-12-02 15:36:53,005 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:36:53,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:36:58,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:37:17,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:37:17,559 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:37:17,559 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045248880]
[2024-12-02 15:37:17,559 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045248880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:37:17,559 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:37:17,560 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 15:37:17,560 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441102305]
[2024-12-02 15:37:17,560 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:37:17,562 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 15:37:17,562 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:37:17,563 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 15:37:17,563 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:37:17,564 INFO  L87              Difference]: Start difference. First operand 7693 states and 11507 transitions. Second operand  has 10 states, 10 states have (on average 379.2) internal successors, (3792), 10 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:37:21,573 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:37:23,064 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:37:23,618 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:37:23,618 INFO  L93              Difference]: Finished difference Result 14910 states and 22301 transitions.
[2024-12-02 15:37:23,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 15:37:23,619 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 379.2) internal successors, (3792), 10 states have internal predecessors, (3792), 0 states have call successors, (0), 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 3792
[2024-12-02 15:37:23,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:37:23,626 INFO  L225             Difference]: With dead ends: 14910
[2024-12-02 15:37:23,626 INFO  L226             Difference]: Without dead ends: 7711
[2024-12-02 15:37:23,630 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-12-02 15:37:23,630 INFO  L435           NwaCegarLoop]: 10933 mSDtfsCounter, 9078 mSDsluCounter, 65539 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9078 SdHoareTripleChecker+Valid, 76472 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time
[2024-12-02 15:37:23,630 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9078 Valid, 76472 Invalid, 928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time]
[2024-12-02 15:37:23,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7711 states.
[2024-12-02 15:37:23,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7711 to 7701.
[2024-12-02 15:37:23,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7701 states, 7700 states have (on average 1.4958441558441558) internal successors, (11518), 7700 states have internal predecessors, (11518), 0 states have call successors, (0), 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 15:37:23,699 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7701 states to 7701 states and 11518 transitions.
[2024-12-02 15:37:23,699 INFO  L78                 Accepts]: Start accepts. Automaton has 7701 states and 11518 transitions. Word has length 3792
[2024-12-02 15:37:23,701 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:37:23,701 INFO  L471      AbstractCegarLoop]: Abstraction has 7701 states and 11518 transitions.
[2024-12-02 15:37:23,701 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 379.2) internal successors, (3792), 10 states have internal predecessors, (3792), 0 states have call successors, (0), 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 15:37:23,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 7701 states and 11518 transitions.
[2024-12-02 15:37:23,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3794
[2024-12-02 15:37:23,761 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:37:23,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:37:23,762 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-12-02 15:37:23,762 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:37:23,762 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:37:23,762 INFO  L85        PathProgramCache]: Analyzing trace with hash -1533521493, now seen corresponding path program 1 times
[2024-12-02 15:37:23,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:37:23,762 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141955231]
[2024-12-02 15:37:23,763 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:37:23,763 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:37:30,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:37:46,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:37:46,773 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:37:46,773 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141955231]
[2024-12-02 15:37:46,773 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141955231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:37:46,773 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:37:46,774 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 15:37:46,774 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776481538]
[2024-12-02 15:37:46,774 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:37:46,776 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:37:46,776 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:37:46,777 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:37:46,777 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:37:46,778 INFO  L87              Difference]: Start difference. First operand 7701 states and 11518 transitions. Second operand  has 7 states, 7 states have (on average 541.8571428571429) internal successors, (3793), 7 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:37:50,718 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 15:37:51,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:37:51,200 INFO  L93              Difference]: Finished difference Result 14917 states and 22309 transitions.
[2024-12-02 15:37:51,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 15:37:51,201 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 541.8571428571429) internal successors, (3793), 7 states have internal predecessors, (3793), 0 states have call successors, (0), 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 3793
[2024-12-02 15:37:51,202 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:37:51,206 INFO  L225             Difference]: With dead ends: 14917
[2024-12-02 15:37:51,206 INFO  L226             Difference]: Without dead ends: 7710
[2024-12-02 15:37:51,209 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-12-02 15:37:51,210 INFO  L435           NwaCegarLoop]: 11038 mSDtfsCounter, 8864 mSDsluCounter, 44119 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8864 SdHoareTripleChecker+Valid, 55157 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:37:51,210 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8864 Valid, 55157 Invalid, 126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-12-02 15:37:51,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7710 states.
[2024-12-02 15:37:51,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 7703.
[2024-12-02 15:37:51,264 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7703 states, 7702 states have (on average 1.495845235003895) internal successors, (11521), 7702 states have internal predecessors, (11521), 0 states have call successors, (0), 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 15:37:51,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7703 states to 7703 states and 11521 transitions.
[2024-12-02 15:37:51,271 INFO  L78                 Accepts]: Start accepts. Automaton has 7703 states and 11521 transitions. Word has length 3793
[2024-12-02 15:37:51,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:37:51,272 INFO  L471      AbstractCegarLoop]: Abstraction has 7703 states and 11521 transitions.
[2024-12-02 15:37:51,273 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 541.8571428571429) internal successors, (3793), 7 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:37:51,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 7703 states and 11521 transitions.
[2024-12-02 15:37:51,339 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3794
[2024-12-02 15:37:51,339 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:37:51,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:37:51,340 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-12-02 15:37:51,340 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:37:51,340 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:37:51,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 841340395, now seen corresponding path program 1 times
[2024-12-02 15:37:51,341 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:37:51,341 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432916210]
[2024-12-02 15:37:51,341 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:37:51,341 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:37:58,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:38:06,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:38:06,068 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:38:06,068 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432916210]
[2024-12-02 15:38:06,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432916210] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:38:06,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:38:06,068 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:38:06,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781317789]
[2024-12-02 15:38:06,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:38:06,070 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:38:06,070 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:38:06,071 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:38:06,071 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:38:06,072 INFO  L87              Difference]: Start difference. First operand 7703 states and 11521 transitions. Second operand  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:38:06,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:38:06,259 INFO  L93              Difference]: Finished difference Result 14913 states and 22304 transitions.
[2024-12-02 15:38:06,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 15:38:06,260 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 3793
[2024-12-02 15:38:06,262 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:38:06,267 INFO  L225             Difference]: With dead ends: 14913
[2024-12-02 15:38:06,268 INFO  L226             Difference]: Without dead ends: 7704
[2024-12-02 15:38:06,272 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 15:38:06,272 INFO  L435           NwaCegarLoop]: 11041 mSDtfsCounter, 8664 mSDsluCounter, 22077 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8664 SdHoareTripleChecker+Valid, 33118 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:38:06,272 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8664 Valid, 33118 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:38:06,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7704 states.
[2024-12-02 15:38:06,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 7704.
[2024-12-02 15:38:06,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7704 states, 7703 states have (on average 1.4957808645982085) internal successors, (11522), 7703 states have internal predecessors, (11522), 0 states have call successors, (0), 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 15:38:06,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7704 states to 7704 states and 11522 transitions.
[2024-12-02 15:38:06,339 INFO  L78                 Accepts]: Start accepts. Automaton has 7704 states and 11522 transitions. Word has length 3793
[2024-12-02 15:38:06,340 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:38:06,340 INFO  L471      AbstractCegarLoop]: Abstraction has 7704 states and 11522 transitions.
[2024-12-02 15:38:06,341 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:38:06,341 INFO  L276                IsEmpty]: Start isEmpty. Operand 7704 states and 11522 transitions.
[2024-12-02 15:38:06,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3794
[2024-12-02 15:38:06,406 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:38:06,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-12-02 15:38:06,407 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-12-02 15:38:06,407 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:38:06,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:38:06,408 INFO  L85        PathProgramCache]: Analyzing trace with hash 1684576683, now seen corresponding path program 1 times
[2024-12-02 15:38:06,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:38:06,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090307701]
[2024-12-02 15:38:06,408 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:06,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:38:12,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:38:19,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:38:19,958 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:38:19,958 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090307701]
[2024-12-02 15:38:19,958 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090307701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:38:19,958 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:38:19,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:38:19,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004821828]
[2024-12-02 15:38:19,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:38:19,960 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:38:19,960 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:38:19,961 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:38:19,961 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:38:19,962 INFO  L87              Difference]: Start difference. First operand 7704 states and 11522 transitions. Second operand  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:38:20,244 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:38:20,245 INFO  L93              Difference]: Finished difference Result 14914 states and 22304 transitions.
[2024-12-02 15:38:20,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:38:20,246 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 3793
[2024-12-02 15:38:20,248 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:38:20,253 INFO  L225             Difference]: With dead ends: 14914
[2024-12-02 15:38:20,253 INFO  L226             Difference]: Without dead ends: 7704
[2024-12-02 15:38:20,257 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 15:38:20,257 INFO  L435           NwaCegarLoop]: 10938 mSDtfsCounter, 8628 mSDsluCounter, 10936 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8628 SdHoareTripleChecker+Valid, 21874 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:38:20,257 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8628 Valid, 21874 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:38:20,264 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7704 states.
[2024-12-02 15:38:20,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 7704.
[2024-12-02 15:38:20,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7704 states, 7703 states have (on average 1.495651045047384) internal successors, (11521), 7703 states have internal predecessors, (11521), 0 states have call successors, (0), 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 15:38:20,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7704 states to 7704 states and 11521 transitions.
[2024-12-02 15:38:20,323 INFO  L78                 Accepts]: Start accepts. Automaton has 7704 states and 11521 transitions. Word has length 3793
[2024-12-02 15:38:20,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:38:20,324 INFO  L471      AbstractCegarLoop]: Abstraction has 7704 states and 11521 transitions.
[2024-12-02 15:38:20,325 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 758.6) internal successors, (3793), 5 states have internal predecessors, (3793), 0 states have call successors, (0), 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 15:38:20,325 INFO  L276                IsEmpty]: Start isEmpty. Operand 7704 states and 11521 transitions.
[2024-12-02 15:38:20,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3795
[2024-12-02 15:38:20,386 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:38:20,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:20,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-12-02 15:38:20,386 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 15:38:20,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:38:20,387 INFO  L85        PathProgramCache]: Analyzing trace with hash -486134943, now seen corresponding path program 1 times
[2024-12-02 15:38:20,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:38:20,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661193319]
[2024-12-02 15:38:20,387 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:20,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:38:21,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat