./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/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 8859a4b9944cb47d7953fa707ee743290d4673d9d7297a605817743ac2125c42
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:48:20,295 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:48:20,355 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 11:48:20,360 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:48:20,360 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:48:20,381 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:48:20,382 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:48:20,382 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:48:20,382 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:48:20,383 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:48:20,383 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:48:20,383 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:48:20,383 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:48:20,383 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:48:20,383 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:48:20,384 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:48:20,384 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:48:20,385 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:48:20,385 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:48:20,385 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:48:20,386 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:48:20,386 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 11:48:20,387 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:48:20,387 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:48:20,387 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:48:20,387 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:48:20,387 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:48:20,387 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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/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 -> 8859a4b9944cb47d7953fa707ee743290d4673d9d7297a605817743ac2125c42
[2024-12-02 11:48:20,610 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:48:20,618 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:48:20,620 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:48:20,621 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:48:20,622 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:48:20,623 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.c
[2024-12-02 11:48:23,243 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/data/3f2c36e6b/664cf6331f814c1bbfb0d55d6851216b/FLAG59da116d0
[2024-12-02 11:48:23,613 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:48:23,614 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.c
[2024-12-02 11:48:23,646 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/data/3f2c36e6b/664cf6331f814c1bbfb0d55d6851216b/FLAG59da116d0
[2024-12-02 11:48:23,830 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/data/3f2c36e6b/664cf6331f814c1bbfb0d55d6851216b
[2024-12-02 11:48:23,833 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:48:23,834 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:48:23,835 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:48:23,836 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:48:23,839 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:48:23,840 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:23" (1/1) ...
[2024-12-02 11:48:23,840 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:23, skipping insertion in model container
[2024-12-02 11:48:23,840 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:23" (1/1) ...
[2024-12-02 11:48:23,905 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:48:24,095 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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.c[1245,1258]
[2024-12-02 11:48:24,578 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:48:24,588 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 11:48:24,599 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_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal36.c[1245,1258]
[2024-12-02 11:48:24,914 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:48:24,926 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 11:48:24,927 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24 WrapperNode
[2024-12-02 11:48:24,927 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:48:24,928 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:48:24,928 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:48:24,928 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:48:24,934 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:25,012 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:25,930 INFO  L138                Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13117
[2024-12-02 11:48:25,930 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:48:25,931 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:48:25,931 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:48:25,931 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:48:25,939 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:25,939 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:26,450 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:26,631 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-12-02 11:48:26,631 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:26,631 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:26,925 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:26,946 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:27,005 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:27,061 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:27,100 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:27,305 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:48:27,306 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:48:27,306 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:48:27,306 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:48:27,307 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (1/1) ...
[2024-12-02 11:48:27,314 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:48:27,327 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:48:27,342 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:48:27,350 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5c49ba2-7dab-4d8a-b5c6-e33160fdf980/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:48:27,370 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:48:27,370 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:48:27,370 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 11:48:27,371 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:48:27,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:48:28,104 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 11:48:28,106 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:48:47,225 INFO  L?                        ?]: Removed 7092 outVars from TransFormulas that were not future-live.
[2024-12-02 11:48:47,226 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 11:48:47,287 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:48:47,287 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 11:48:47,288 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:47 BoogieIcfgContainer
[2024-12-02 11:48:47,288 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:48:47,291 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:48:47,291 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:48:47,297 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:48:47,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:48:23" (1/3) ...
[2024-12-02 11:48:47,298 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273d4788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:48:47, skipping insertion in model container
[2024-12-02 11:48:47,298 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24" (2/3) ...
[2024-12-02 11:48:47,298 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273d4788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:48:47, skipping insertion in model container
[2024-12-02 11:48:47,298 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:47" (3/3) ...
[2024-12-02 11:48:47,300 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal36.c
[2024-12-02 11:48:47,318 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:48:47,320 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal36.c that has 1 procedures, 4316 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:48:47,462 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:48:47,476 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;@7a982bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:48:47,476 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:48:47,493 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4316 states, 4314 states have (on average 1.5) internal successors, (6471), 4315 states have internal predecessors, (6471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:48:47,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1970
[2024-12-02 11:48:47,658 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:48:47,659 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:47,660 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:48:47,665 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:48:47,666 INFO  L85        PathProgramCache]: Analyzing trace with hash -1841685405, now seen corresponding path program 1 times
[2024-12-02 11:48:47,674 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:48:47,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343709607]
[2024-12-02 11:48:47,676 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:48:47,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:48:49,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:48:57,108 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 11:48:57,108 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:48:57,108 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343709607]
[2024-12-02 11:48:57,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343709607] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:48:57,109 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:48:57,110 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:48:57,112 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439069126]
[2024-12-02 11:48:57,112 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:48:57,119 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:48:57,119 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:48:57,139 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:48:57,140 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:48:57,148 INFO  L87              Difference]: Start difference. First operand  has 4316 states, 4314 states have (on average 1.5) internal successors, (6471), 4315 states have internal predecessors, (6471), 0 states have call successors, (0), 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 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:48:57,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:48:57,369 INFO  L93              Difference]: Finished difference Result 8533 states and 12797 transitions.
[2024-12-02 11:48:57,370 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:48:57,372 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 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 1969
[2024-12-02 11:48:57,378 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:48:57,406 INFO  L225             Difference]: With dead ends: 8533
[2024-12-02 11:48:57,407 INFO  L226             Difference]: Without dead ends: 4315
[2024-12-02 11:48:57,417 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 11:48:57,420 INFO  L435           NwaCegarLoop]: 6465 mSDtfsCounter, 0 mSDsluCounter, 12924 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19389 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 11:48:57,421 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19389 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:48:57,440 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4315 states.
[2024-12-02 11:48:57,548 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4315.
[2024-12-02 11:48:57,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4315 states, 4314 states have (on average 1.4995363931386185) internal successors, (6469), 4314 states have internal predecessors, (6469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:48:57,570 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6469 transitions.
[2024-12-02 11:48:57,571 INFO  L78                 Accepts]: Start accepts. Automaton has 4315 states and 6469 transitions. Word has length 1969
[2024-12-02 11:48:57,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:48:57,575 INFO  L471      AbstractCegarLoop]: Abstraction has 4315 states and 6469 transitions.
[2024-12-02 11:48:57,576 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 492.25) internal successors, (1969), 4 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:48:57,577 INFO  L276                IsEmpty]: Start isEmpty. Operand 4315 states and 6469 transitions.
[2024-12-02 11:48:57,628 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1971
[2024-12-02 11:48:57,628 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:48:57,629 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:57,629 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:48:57,630 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:48:57,631 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:48:57,631 INFO  L85        PathProgramCache]: Analyzing trace with hash -1255964778, now seen corresponding path program 1 times
[2024-12-02 11:48:57,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:48:57,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002599447]
[2024-12-02 11:48:57,632 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:48:57,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:48:58,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:01,920 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 11:49:01,920 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:01,920 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002599447]
[2024-12-02 11:49:01,921 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002599447] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:01,921 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:01,921 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:49:01,921 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988597669]
[2024-12-02 11:49:01,921 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:01,925 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:49:01,925 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:01,926 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:49:01,926 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:49:01,927 INFO  L87              Difference]: Start difference. First operand 4315 states and 6469 transitions. Second operand  has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:02,937 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:02,938 INFO  L93              Difference]: Finished difference Result 12645 states and 18961 transitions.
[2024-12-02 11:49:02,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:49:02,939 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 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 1970
[2024-12-02 11:49:02,942 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:02,953 INFO  L225             Difference]: With dead ends: 12645
[2024-12-02 11:49:02,953 INFO  L226             Difference]: Without dead ends: 4315
[2024-12-02 11:49:02,959 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:49:02,960 INFO  L435           NwaCegarLoop]: 11452 mSDtfsCounter, 11679 mSDsluCounter, 17637 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11679 SdHoareTripleChecker+Valid, 29089 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:02,961 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11679 Valid, 29089 Invalid, 485 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:49:02,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4315 states.
[2024-12-02 11:49:03,021 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4315.
[2024-12-02 11:49:03,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4315 states, 4314 states have (on average 1.4993045897079276) internal successors, (6468), 4314 states have internal predecessors, (6468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:03,036 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6468 transitions.
[2024-12-02 11:49:03,036 INFO  L78                 Accepts]: Start accepts. Automaton has 4315 states and 6468 transitions. Word has length 1970
[2024-12-02 11:49:03,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:03,039 INFO  L471      AbstractCegarLoop]: Abstraction has 4315 states and 6468 transitions.
[2024-12-02 11:49:03,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:03,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 4315 states and 6468 transitions.
[2024-12-02 11:49:03,062 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1972
[2024-12-02 11:49:03,062 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:03,063 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:03,063 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:49:03,063 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:03,064 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:03,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 225168491, now seen corresponding path program 1 times
[2024-12-02 11:49:03,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:03,065 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724557694]
[2024-12-02 11:49:03,065 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:03,066 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:04,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:06,793 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 11:49:06,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:06,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724557694]
[2024-12-02 11:49:06,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724557694] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:06,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:06,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:49:06,794 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722148661]
[2024-12-02 11:49:06,794 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:06,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:49:06,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:06,799 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:49:06,800 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:49:06,801 INFO  L87              Difference]: Start difference. First operand 4315 states and 6468 transitions. Second operand  has 5 states, 5 states have (on average 394.2) internal successors, (1971), 5 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:07,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:07,722 INFO  L93              Difference]: Finished difference Result 8532 states and 12790 transitions.
[2024-12-02 11:49:07,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:49:07,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 394.2) internal successors, (1971), 5 states have internal predecessors, (1971), 0 states have call successors, (0), 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 1971
[2024-12-02 11:49:07,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:07,745 INFO  L225             Difference]: With dead ends: 8532
[2024-12-02 11:49:07,745 INFO  L226             Difference]: Without dead ends: 4315
[2024-12-02 11:49:07,750 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 11:49:07,752 INFO  L435           NwaCegarLoop]: 6187 mSDtfsCounter, 6457 mSDsluCounter, 6187 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6457 SdHoareTripleChecker+Valid, 12374 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:07,754 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6457 Valid, 12374 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 11:49:07,764 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4315 states.
[2024-12-02 11:49:07,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4315.
[2024-12-02 11:49:07,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4315 states, 4314 states have (on average 1.4990727862772368) internal successors, (6467), 4314 states have internal predecessors, (6467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:07,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6467 transitions.
[2024-12-02 11:49:07,885 INFO  L78                 Accepts]: Start accepts. Automaton has 4315 states and 6467 transitions. Word has length 1971
[2024-12-02 11:49:07,888 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:07,889 INFO  L471      AbstractCegarLoop]: Abstraction has 4315 states and 6467 transitions.
[2024-12-02 11:49:07,893 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 394.2) internal successors, (1971), 5 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:07,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 4315 states and 6467 transitions.
[2024-12-02 11:49:07,963 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1973
[2024-12-02 11:49:07,964 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:07,965 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:07,965 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:49:07,966 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:07,967 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:07,967 INFO  L85        PathProgramCache]: Analyzing trace with hash 1016486157, now seen corresponding path program 1 times
[2024-12-02 11:49:07,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:07,968 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478245169]
[2024-12-02 11:49:07,968 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:07,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:09,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:11,864 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 11:49:11,864 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:11,865 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478245169]
[2024-12-02 11:49:11,865 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478245169] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:11,865 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:11,865 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:49:11,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720506565]
[2024-12-02 11:49:11,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:11,867 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:49:11,867 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:11,869 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:49:11,869 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:49:11,871 INFO  L87              Difference]: Start difference. First operand 4315 states and 6467 transitions. Second operand  has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:11,951 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:11,951 INFO  L93              Difference]: Finished difference Result 8534 states and 12791 transitions.
[2024-12-02 11:49:11,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:49:11,954 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 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 1972
[2024-12-02 11:49:11,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:11,968 INFO  L225             Difference]: With dead ends: 8534
[2024-12-02 11:49:11,968 INFO  L226             Difference]: Without dead ends: 4317
[2024-12-02 11:49:11,972 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 11:49:11,972 INFO  L435           NwaCegarLoop]: 6463 mSDtfsCounter, 0 mSDsluCounter, 12916 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19379 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:11,973 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19379 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:49:11,979 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4317 states.
[2024-12-02 11:49:12,038 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4317 to 4317.
[2024-12-02 11:49:12,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4317 states, 4316 states have (on average 1.4988415199258573) internal successors, (6469), 4316 states have internal predecessors, (6469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:12,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 4317 states and 6469 transitions.
[2024-12-02 11:49:12,052 INFO  L78                 Accepts]: Start accepts. Automaton has 4317 states and 6469 transitions. Word has length 1972
[2024-12-02 11:49:12,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:12,054 INFO  L471      AbstractCegarLoop]: Abstraction has 4317 states and 6469 transitions.
[2024-12-02 11:49:12,054 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:12,055 INFO  L276                IsEmpty]: Start isEmpty. Operand 4317 states and 6469 transitions.
[2024-12-02 11:49:12,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1974
[2024-12-02 11:49:12,088 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:12,089 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1]
[2024-12-02 11:49:12,089 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:49:12,089 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:12,090 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:12,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 348346629, now seen corresponding path program 1 times
[2024-12-02 11:49:12,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:12,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408455927]
[2024-12-02 11:49:12,091 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:12,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:20,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:25,338 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 11:49:25,339 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:25,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408455927]
[2024-12-02 11:49:25,339 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408455927] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:25,339 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:25,339 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:49:25,339 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501871235]
[2024-12-02 11:49:25,340 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:25,342 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:49:25,342 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:25,344 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:49:25,344 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:49:25,345 INFO  L87              Difference]: Start difference. First operand 4317 states and 6469 transitions. Second operand  has 5 states, 5 states have (on average 394.6) internal successors, (1973), 5 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:25,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:25,466 INFO  L93              Difference]: Finished difference Result 8539 states and 12797 transitions.
[2024-12-02 11:49:25,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:49:25,467 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 394.6) internal successors, (1973), 5 states have internal predecessors, (1973), 0 states have call successors, (0), 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 1973
[2024-12-02 11:49:25,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:25,474 INFO  L225             Difference]: With dead ends: 8539
[2024-12-02 11:49:25,474 INFO  L226             Difference]: Without dead ends: 4320
[2024-12-02 11:49:25,477 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:49:25,477 INFO  L435           NwaCegarLoop]: 6462 mSDtfsCounter, 13 mSDsluCounter, 12913 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19375 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:25,478 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19375 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:49:25,482 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4320 states.
[2024-12-02 11:49:25,515 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4320 to 4320.
[2024-12-02 11:49:25,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4320 states, 4319 states have (on average 1.4984950219958324) internal successors, (6472), 4319 states have internal predecessors, (6472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:25,524 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4320 states to 4320 states and 6472 transitions.
[2024-12-02 11:49:25,525 INFO  L78                 Accepts]: Start accepts. Automaton has 4320 states and 6472 transitions. Word has length 1973
[2024-12-02 11:49:25,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:25,525 INFO  L471      AbstractCegarLoop]: Abstraction has 4320 states and 6472 transitions.
[2024-12-02 11:49:25,525 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 394.6) internal successors, (1973), 5 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:25,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 4320 states and 6472 transitions.
[2024-12-02 11:49:25,547 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1975
[2024-12-02 11:49:25,547 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:25,547 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1]
[2024-12-02 11:49:25,548 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:49:25,548 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:25,549 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:25,549 INFO  L85        PathProgramCache]: Analyzing trace with hash 546550873, now seen corresponding path program 1 times
[2024-12-02 11:49:25,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:25,549 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786878962]
[2024-12-02 11:49:25,550 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:25,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:37,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:40,501 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 11:49:40,502 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:40,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786878962]
[2024-12-02 11:49:40,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786878962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:40,502 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:40,502 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:49:40,502 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645164169]
[2024-12-02 11:49:40,502 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:40,503 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:49:40,503 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:40,504 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:49:40,504 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:49:40,505 INFO  L87              Difference]: Start difference. First operand 4320 states and 6472 transitions. Second operand  has 6 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:41,138 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:41,139 INFO  L93              Difference]: Finished difference Result 16099 states and 24127 transitions.
[2024-12-02 11:49:41,139 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:49:41,139 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 0 states have call successors, (0), 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 1974
[2024-12-02 11:49:41,141 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:41,162 INFO  L225             Difference]: With dead ends: 16099
[2024-12-02 11:49:41,162 INFO  L226             Difference]: Without dead ends: 8526
[2024-12-02 11:49:41,167 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:49:41,168 INFO  L435           NwaCegarLoop]: 6424 mSDtfsCounter, 14566 mSDsluCounter, 25467 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14566 SdHoareTripleChecker+Valid, 31891 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:41,168 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14566 Valid, 31891 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 11:49:41,179 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8526 states.
[2024-12-02 11:49:41,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8526 to 4365.
[2024-12-02 11:49:41,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4365 states, 4364 states have (on average 1.4979376718606783) internal successors, (6537), 4364 states have internal predecessors, (6537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:41,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 6537 transitions.
[2024-12-02 11:49:41,320 INFO  L78                 Accepts]: Start accepts. Automaton has 4365 states and 6537 transitions. Word has length 1974
[2024-12-02 11:49:41,320 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:41,320 INFO  L471      AbstractCegarLoop]: Abstraction has 4365 states and 6537 transitions.
[2024-12-02 11:49:41,321 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:41,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 4365 states and 6537 transitions.
[2024-12-02 11:49:41,352 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1976
[2024-12-02 11:49:41,352 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:41,353 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1]
[2024-12-02 11:49:41,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:49:41,354 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:41,354 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:41,355 INFO  L85        PathProgramCache]: Analyzing trace with hash -11965257, now seen corresponding path program 1 times
[2024-12-02 11:49:41,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:41,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117905901]
[2024-12-02 11:49:41,356 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:41,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:42,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:46,159 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 11:49:46,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:46,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117905901]
[2024-12-02 11:49:46,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117905901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:46,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:46,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:49:46,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096354365]
[2024-12-02 11:49:46,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:46,161 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:49:46,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:46,162 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:49:46,162 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:49:46,162 INFO  L87              Difference]: Start difference. First operand 4365 states and 6537 transitions. Second operand  has 6 states, 6 states have (on average 329.1666666666667) internal successors, (1975), 6 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:46,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:46,343 INFO  L93              Difference]: Finished difference Result 12759 states and 19113 transitions.
[2024-12-02 11:49:46,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:49:46,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 329.1666666666667) internal successors, (1975), 6 states have internal predecessors, (1975), 0 states have call successors, (0), 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 1975
[2024-12-02 11:49:46,346 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:46,362 INFO  L225             Difference]: With dead ends: 12759
[2024-12-02 11:49:46,363 INFO  L226             Difference]: Without dead ends: 8492
[2024-12-02 11:49:46,367 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:49:46,368 INFO  L435           NwaCegarLoop]: 7819 mSDtfsCounter, 9169 mSDsluCounter, 22069 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9169 SdHoareTripleChecker+Valid, 29888 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:46,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9169 Valid, 29888 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:49:46,377 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8492 states.
[2024-12-02 11:49:46,460 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8492 to 7562.
[2024-12-02 11:49:46,468 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7562 states, 7561 states have (on average 1.498875810078032) internal successors, (11333), 7561 states have internal predecessors, (11333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:46,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7562 states to 7562 states and 11333 transitions.
[2024-12-02 11:49:46,479 INFO  L78                 Accepts]: Start accepts. Automaton has 7562 states and 11333 transitions. Word has length 1975
[2024-12-02 11:49:46,480 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:46,480 INFO  L471      AbstractCegarLoop]: Abstraction has 7562 states and 11333 transitions.
[2024-12-02 11:49:46,481 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 329.1666666666667) internal successors, (1975), 6 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:46,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 7562 states and 11333 transitions.
[2024-12-02 11:49:46,513 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1976
[2024-12-02 11:49:46,513 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:46,514 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1]
[2024-12-02 11:49:46,514 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 11:49:46,515 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:46,515 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:46,516 INFO  L85        PathProgramCache]: Analyzing trace with hash -1126330010, now seen corresponding path program 1 times
[2024-12-02 11:49:46,516 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:46,516 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23023291]
[2024-12-02 11:49:46,517 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:46,517 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:49:51,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:49:55,055 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 11:49:55,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:49:55,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23023291]
[2024-12-02 11:49:55,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23023291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:49:55,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:49:55,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:49:55,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402318281]
[2024-12-02 11:49:55,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:49:55,057 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:49:55,057 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:49:55,058 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:49:55,058 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:49:55,059 INFO  L87              Difference]: Start difference. First operand 7562 states and 11333 transitions. Second operand  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:55,456 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:49:55,456 INFO  L93              Difference]: Finished difference Result 15026 states and 22520 transitions.
[2024-12-02 11:49:55,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:49:55,457 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 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 1975
[2024-12-02 11:49:55,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:49:55,465 INFO  L225             Difference]: With dead ends: 15026
[2024-12-02 11:49:55,465 INFO  L226             Difference]: Without dead ends: 7562
[2024-12-02 11:49:55,470 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 11:49:55,470 INFO  L435           NwaCegarLoop]: 6202 mSDtfsCounter, 6449 mSDsluCounter, 6200 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6449 SdHoareTripleChecker+Valid, 12402 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:49:55,471 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6449 Valid, 12402 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:49:55,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7562 states.
[2024-12-02 11:49:55,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7562 to 7562.
[2024-12-02 11:49:55,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7562 states, 7561 states have (on average 1.4986112948022747) internal successors, (11331), 7561 states have internal predecessors, (11331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:55,554 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7562 states to 7562 states and 11331 transitions.
[2024-12-02 11:49:55,554 INFO  L78                 Accepts]: Start accepts. Automaton has 7562 states and 11331 transitions. Word has length 1975
[2024-12-02 11:49:55,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:49:55,554 INFO  L471      AbstractCegarLoop]: Abstraction has 7562 states and 11331 transitions.
[2024-12-02 11:49:55,555 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 493.75) internal successors, (1975), 4 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:49:55,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 7562 states and 11331 transitions.
[2024-12-02 11:49:55,577 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1977
[2024-12-02 11:49:55,577 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:49:55,578 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:55,578 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 11:49:55,578 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:49:55,579 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:49:55,579 INFO  L85        PathProgramCache]: Analyzing trace with hash 1133869987, now seen corresponding path program 1 times
[2024-12-02 11:49:55,579 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:49:55,579 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989342827]
[2024-12-02 11:49:55,579 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:49:55,579 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:50:06,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:50:10,702 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 11:50:10,702 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:50:10,702 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989342827]
[2024-12-02 11:50:10,702 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989342827] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:50:10,703 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:50:10,703 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:50:10,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162402473]
[2024-12-02 11:50:10,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:50:10,705 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:50:10,705 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:50:10,707 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:50:10,707 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:50:10,708 INFO  L87              Difference]: Start difference. First operand 7562 states and 11331 transitions. Second operand  has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:11,381 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:50:11,381 INFO  L93              Difference]: Finished difference Result 11829 states and 17720 transitions.
[2024-12-02 11:50:11,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:50:11,382 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 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 1976
[2024-12-02 11:50:11,382 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:50:11,388 INFO  L225             Difference]: With dead ends: 11829
[2024-12-02 11:50:11,388 INFO  L226             Difference]: Without dead ends: 4365
[2024-12-02 11:50:11,392 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 11:50:11,392 INFO  L435           NwaCegarLoop]: 6195 mSDtfsCounter, 6381 mSDsluCounter, 12506 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6381 SdHoareTripleChecker+Valid, 18701 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 11:50:11,393 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6381 Valid, 18701 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 11:50:11,397 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4365 states.
[2024-12-02 11:50:11,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 4320.
[2024-12-02 11:50:11,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4320 states, 4319 states have (on average 1.4978004167631396) internal successors, (6469), 4319 states have internal predecessors, (6469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:11,435 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4320 states to 4320 states and 6469 transitions.
[2024-12-02 11:50:11,435 INFO  L78                 Accepts]: Start accepts. Automaton has 4320 states and 6469 transitions. Word has length 1976
[2024-12-02 11:50:11,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:50:11,435 INFO  L471      AbstractCegarLoop]: Abstraction has 4320 states and 6469 transitions.
[2024-12-02 11:50:11,436 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:11,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 4320 states and 6469 transitions.
[2024-12-02 11:50:11,485 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1978
[2024-12-02 11:50:11,485 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:50:11,486 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:50:11,486 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 11:50:11,486 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:50:11,487 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:50:11,487 INFO  L85        PathProgramCache]: Analyzing trace with hash -1580728595, now seen corresponding path program 1 times
[2024-12-02 11:50:11,488 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:50:11,488 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040973805]
[2024-12-02 11:50:11,488 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:50:11,488 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:50:38,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:50:45,164 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 11:50:45,164 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:50:45,165 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040973805]
[2024-12-02 11:50:45,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040973805] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:50:45,165 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:50:45,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:50:45,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546665211]
[2024-12-02 11:50:45,165 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:50:45,167 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:50:45,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:50:45,169 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:50:45,169 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:50:45,169 INFO  L87              Difference]: Start difference. First operand 4320 states and 6469 transitions. Second operand  has 6 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:45,608 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:50:45,608 INFO  L93              Difference]: Finished difference Result 12388 states and 18551 transitions.
[2024-12-02 11:50:45,608 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:50:45,608 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 0 states have call successors, (0), 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 1977
[2024-12-02 11:50:45,610 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:50:45,627 INFO  L225             Difference]: With dead ends: 12388
[2024-12-02 11:50:45,627 INFO  L226             Difference]: Without dead ends: 8166
[2024-12-02 11:50:45,632 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:50:45,633 INFO  L435           NwaCegarLoop]: 6424 mSDtfsCounter, 21675 mSDsluCounter, 19274 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21675 SdHoareTripleChecker+Valid, 25698 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:50:45,633 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21675 Valid, 25698 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:50:45,641 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8166 states.
[2024-12-02 11:50:45,737 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8166 to 8147.
[2024-12-02 11:50:45,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8147 states, 8146 states have (on average 1.4980358458138965) internal successors, (12203), 8146 states have internal predecessors, (12203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:45,755 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8147 states to 8147 states and 12203 transitions.
[2024-12-02 11:50:45,756 INFO  L78                 Accepts]: Start accepts. Automaton has 8147 states and 12203 transitions. Word has length 1977
[2024-12-02 11:50:45,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:50:45,757 INFO  L471      AbstractCegarLoop]: Abstraction has 8147 states and 12203 transitions.
[2024-12-02 11:50:45,758 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:50:45,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 8147 states and 12203 transitions.
[2024-12-02 11:50:45,788 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1979
[2024-12-02 11:50:45,788 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:50:45,789 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1]
[2024-12-02 11:50:45,789 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 11:50:45,790 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:50:45,790 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:50:45,791 INFO  L85        PathProgramCache]: Analyzing trace with hash -849046612, now seen corresponding path program 1 times
[2024-12-02 11:50:45,791 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:50:45,791 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569340984]
[2024-12-02 11:50:45,792 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:50:45,792 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:50:56,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:51:08,486 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 11:51:08,486 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:51:08,486 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569340984]
[2024-12-02 11:51:08,486 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569340984] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:51:08,486 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:51:08,487 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-12-02 11:51:08,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990733348]
[2024-12-02 11:51:08,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:51:08,489 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 11:51:08,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:51:08,491 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 11:51:08,491 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-02 11:51:08,492 INFO  L87              Difference]: Start difference. First operand 8147 states and 12203 transitions. Second operand  has 11 states, 11 states have (on average 179.8181818181818) internal successors, (1978), 11 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:11,384 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:51:11,384 INFO  L93              Difference]: Finished difference Result 16242 states and 24327 transitions.
[2024-12-02 11:51:11,385 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-12-02 11:51:11,385 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 179.8181818181818) internal successors, (1978), 11 states have internal predecessors, (1978), 0 states have call successors, (0), 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 1978
[2024-12-02 11:51:11,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:51:11,391 INFO  L225             Difference]: With dead ends: 16242
[2024-12-02 11:51:11,391 INFO  L226             Difference]: Without dead ends: 8237
[2024-12-02 11:51:11,396 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272
[2024-12-02 11:51:11,397 INFO  L435           NwaCegarLoop]: 5738 mSDtfsCounter, 6464 mSDsluCounter, 40157 mSDsCounter, 0 mSdLazyCounter, 5805 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6464 SdHoareTripleChecker+Valid, 45895 SdHoareTripleChecker+Invalid, 5807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 11:51:11,397 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6464 Valid, 45895 Invalid, 5807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 5805 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 11:51:11,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8237 states.
[2024-12-02 11:51:11,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8237 to 8227.
[2024-12-02 11:51:11,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8227 states, 8226 states have (on average 1.4975686846584002) internal successors, (12319), 8226 states have internal predecessors, (12319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:11,471 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8227 states to 8227 states and 12319 transitions.
[2024-12-02 11:51:11,471 INFO  L78                 Accepts]: Start accepts. Automaton has 8227 states and 12319 transitions. Word has length 1978
[2024-12-02 11:51:11,472 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:51:11,472 INFO  L471      AbstractCegarLoop]: Abstraction has 8227 states and 12319 transitions.
[2024-12-02 11:51:11,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 179.8181818181818) internal successors, (1978), 11 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:11,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 8227 states and 12319 transitions.
[2024-12-02 11:51:11,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1979
[2024-12-02 11:51:11,490 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:51:11,490 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:11,490 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 11:51:11,490 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:51:11,491 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:51:11,491 INFO  L85        PathProgramCache]: Analyzing trace with hash -1634312315, now seen corresponding path program 1 times
[2024-12-02 11:51:11,491 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:51:11,491 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269577602]
[2024-12-02 11:51:11,492 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:51:11,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:51:16,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:51:20,784 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 11:51:20,784 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:51:20,784 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269577602]
[2024-12-02 11:51:20,784 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269577602] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:51:20,784 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:51:20,784 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:51:20,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673811669]
[2024-12-02 11:51:20,784 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:51:20,785 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:51:20,785 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:51:20,786 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:51:20,786 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:51:20,787 INFO  L87              Difference]: Start difference. First operand 8227 states and 12319 transitions. Second operand  has 4 states, 4 states have (on average 494.5) internal successors, (1978), 4 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:20,936 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:51:20,936 INFO  L93              Difference]: Finished difference Result 16261 states and 24354 transitions.
[2024-12-02 11:51:20,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:51:20,938 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 494.5) internal successors, (1978), 4 states have internal predecessors, (1978), 0 states have call successors, (0), 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 1978
[2024-12-02 11:51:20,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:51:20,945 INFO  L225             Difference]: With dead ends: 16261
[2024-12-02 11:51:20,945 INFO  L226             Difference]: Without dead ends: 8227
[2024-12-02 11:51:20,949 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 11:51:20,949 INFO  L435           NwaCegarLoop]: 6457 mSDtfsCounter, 11 mSDsluCounter, 12892 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19349 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:51:20,950 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19349 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:51:20,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8227 states.
[2024-12-02 11:51:21,037 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8227 to 8227.
[2024-12-02 11:51:21,044 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8227 states, 8226 states have (on average 1.4973255531242402) internal successors, (12317), 8226 states have internal predecessors, (12317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:21,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8227 states to 8227 states and 12317 transitions.
[2024-12-02 11:51:21,053 INFO  L78                 Accepts]: Start accepts. Automaton has 8227 states and 12317 transitions. Word has length 1978
[2024-12-02 11:51:21,054 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:51:21,054 INFO  L471      AbstractCegarLoop]: Abstraction has 8227 states and 12317 transitions.
[2024-12-02 11:51:21,054 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 494.5) internal successors, (1978), 4 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:21,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 8227 states and 12317 transitions.
[2024-12-02 11:51:21,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1980
[2024-12-02 11:51:21,082 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:51:21,083 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:21,083 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 11:51:21,084 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:51:21,084 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:51:21,085 INFO  L85        PathProgramCache]: Analyzing trace with hash 1348253077, now seen corresponding path program 1 times
[2024-12-02 11:51:21,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:51:21,085 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531453940]
[2024-12-02 11:51:21,085 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:51:21,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:51:21,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:51:25,087 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 11:51:25,087 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:51:25,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531453940]
[2024-12-02 11:51:25,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531453940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:51:25,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:51:25,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:51:25,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350303477]
[2024-12-02 11:51:25,087 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:51:25,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:51:25,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:51:25,089 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:51:25,089 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:51:25,090 INFO  L87              Difference]: Start difference. First operand 8227 states and 12317 transitions. Second operand  has 5 states, 5 states have (on average 395.8) internal successors, (1979), 5 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:25,186 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:51:25,186 INFO  L93              Difference]: Finished difference Result 16269 states and 24361 transitions.
[2024-12-02 11:51:25,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:51:25,188 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 395.8) internal successors, (1979), 5 states have internal predecessors, (1979), 0 states have call successors, (0), 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 1979
[2024-12-02 11:51:25,188 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:51:25,193 INFO  L225             Difference]: With dead ends: 16269
[2024-12-02 11:51:25,193 INFO  L226             Difference]: Without dead ends: 8235
[2024-12-02 11:51:25,198 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:51:25,198 INFO  L435           NwaCegarLoop]: 6454 mSDtfsCounter, 2 mSDsluCounter, 19352 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25806 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:51:25,198 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25806 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:51:25,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8235 states.
[2024-12-02 11:51:25,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8235 to 8233.
[2024-12-02 11:51:25,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8233 states, 8232 states have (on average 1.4969630709426627) internal successors, (12323), 8232 states have internal predecessors, (12323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:25,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 12323 transitions.
[2024-12-02 11:51:25,294 INFO  L78                 Accepts]: Start accepts. Automaton has 8233 states and 12323 transitions. Word has length 1979
[2024-12-02 11:51:25,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:51:25,294 INFO  L471      AbstractCegarLoop]: Abstraction has 8233 states and 12323 transitions.
[2024-12-02 11:51:25,295 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 395.8) internal successors, (1979), 5 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:51:25,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 8233 states and 12323 transitions.
[2024-12-02 11:51:25,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1980
[2024-12-02 11:51:25,315 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:51:25,316 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:25,316 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 11:51:25,316 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:51:25,317 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:51:25,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 665414144, now seen corresponding path program 1 times
[2024-12-02 11:51:25,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:51:25,317 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987345593]
[2024-12-02 11:51:25,318 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:51:25,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:51:59,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:52:03,354 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 11:52:03,354 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:52:03,354 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987345593]
[2024-12-02 11:52:03,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987345593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:52:03,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:52:03,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:52:03,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515586783]
[2024-12-02 11:52:03,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:52:03,355 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:52:03,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:52:03,356 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:52:03,356 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:52:03,356 INFO  L87              Difference]: Start difference. First operand 8233 states and 12323 transitions. Second operand  has 4 states, 4 states have (on average 494.75) internal successors, (1979), 4 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:03,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:52:03,721 INFO  L93              Difference]: Finished difference Result 12508 states and 18720 transitions.
[2024-12-02 11:52:03,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:52:03,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 494.75) internal successors, (1979), 4 states have internal predecessors, (1979), 0 states have call successors, (0), 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 1979
[2024-12-02 11:52:03,724 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:52:03,729 INFO  L225             Difference]: With dead ends: 12508
[2024-12-02 11:52:03,729 INFO  L226             Difference]: Without dead ends: 8233
[2024-12-02 11:52:03,732 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 11:52:03,733 INFO  L435           NwaCegarLoop]: 6201 mSDtfsCounter, 4567 mSDsluCounter, 6198 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 12399 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:52:03,733 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4567 Valid, 12399 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:52:03,738 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8233 states.
[2024-12-02 11:52:03,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 8233.
[2024-12-02 11:52:03,795 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8233 states, 8232 states have (on average 1.4967201166180757) internal successors, (12321), 8232 states have internal predecessors, (12321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:03,801 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 12321 transitions.
[2024-12-02 11:52:03,802 INFO  L78                 Accepts]: Start accepts. Automaton has 8233 states and 12321 transitions. Word has length 1979
[2024-12-02 11:52:03,803 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:52:03,803 INFO  L471      AbstractCegarLoop]: Abstraction has 8233 states and 12321 transitions.
[2024-12-02 11:52:03,803 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 494.75) internal successors, (1979), 4 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:03,803 INFO  L276                IsEmpty]: Start isEmpty. Operand 8233 states and 12321 transitions.
[2024-12-02 11:52:03,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1981
[2024-12-02 11:52:03,820 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:52:03,820 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:03,820 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 11:52:03,820 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:52:03,821 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:52:03,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -862723452, now seen corresponding path program 1 times
[2024-12-02 11:52:03,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:52:03,821 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090244395]
[2024-12-02 11:52:03,822 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:52:03,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:52:34,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:52:37,797 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 11:52:37,797 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:52:37,797 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090244395]
[2024-12-02 11:52:37,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090244395] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:52:37,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:52:37,797 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:52:37,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157925285]
[2024-12-02 11:52:37,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:52:37,798 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:52:37,798 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:52:37,799 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:52:37,799 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:52:37,799 INFO  L87              Difference]: Start difference. First operand 8233 states and 12321 transitions. Second operand  has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:38,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:52:38,192 INFO  L93              Difference]: Finished difference Result 12644 states and 18920 transitions.
[2024-12-02 11:52:38,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:52:38,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 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 1980
[2024-12-02 11:52:38,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:52:38,199 INFO  L225             Difference]: With dead ends: 12644
[2024-12-02 11:52:38,199 INFO  L226             Difference]: Without dead ends: 8233
[2024-12-02 11:52:38,201 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 11:52:38,202 INFO  L435           NwaCegarLoop]: 6201 mSDtfsCounter, 4634 mSDsluCounter, 6198 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4634 SdHoareTripleChecker+Valid, 12399 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:52:38,202 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4634 Valid, 12399 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:52:38,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8233 states.
[2024-12-02 11:52:38,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 8233.
[2024-12-02 11:52:38,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8233 states, 8232 states have (on average 1.496477162293489) internal successors, (12319), 8232 states have internal predecessors, (12319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:38,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 12319 transitions.
[2024-12-02 11:52:38,264 INFO  L78                 Accepts]: Start accepts. Automaton has 8233 states and 12319 transitions. Word has length 1980
[2024-12-02 11:52:38,265 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:52:38,265 INFO  L471      AbstractCegarLoop]: Abstraction has 8233 states and 12319 transitions.
[2024-12-02 11:52:38,265 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:52:38,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 8233 states and 12319 transitions.
[2024-12-02 11:52:38,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1982
[2024-12-02 11:52:38,282 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:52:38,282 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:38,282 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 11:52:38,282 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:52:38,283 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:52:38,283 INFO  L85        PathProgramCache]: Analyzing trace with hash -1891116754, now seen corresponding path program 1 times
[2024-12-02 11:52:38,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:52:38,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316215695]
[2024-12-02 11:52:38,284 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:52:38,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:06,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:11,543 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 11:53:11,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:11,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316215695]
[2024-12-02 11:53:11,543 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316215695] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:11,543 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:11,544 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 11:53:11,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292370527]
[2024-12-02 11:53:11,544 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:11,545 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 11:53:11,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:11,547 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 11:53:11,547 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:53:11,547 INFO  L87              Difference]: Start difference. First operand 8233 states and 12319 transitions. Second operand  has 8 states, 8 states have (on average 247.625) internal successors, (1981), 8 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:12,018 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:53:12,018 INFO  L93              Difference]: Finished difference Result 12519 states and 18727 transitions.
[2024-12-02 11:53:12,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 11:53:12,019 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 247.625) internal successors, (1981), 8 states have internal predecessors, (1981), 0 states have call successors, (0), 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 1981
[2024-12-02 11:53:12,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:53:12,028 INFO  L225             Difference]: With dead ends: 12519
[2024-12-02 11:53:12,029 INFO  L226             Difference]: Without dead ends: 8254
[2024-12-02 11:53:12,032 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:53:12,033 INFO  L435           NwaCegarLoop]: 6420 mSDtfsCounter, 21663 mSDsluCounter, 32096 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21663 SdHoareTripleChecker+Valid, 38516 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:53:12,033 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21663 Valid, 38516 Invalid, 238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:53:12,038 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8254 states.
[2024-12-02 11:53:12,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8254 to 8236.
[2024-12-02 11:53:12,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8236 states, 8235 states have (on average 1.4964177292046144) internal successors, (12323), 8235 states have internal predecessors, (12323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:12,114 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8236 states to 8236 states and 12323 transitions.
[2024-12-02 11:53:12,114 INFO  L78                 Accepts]: Start accepts. Automaton has 8236 states and 12323 transitions. Word has length 1981
[2024-12-02 11:53:12,116 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:53:12,116 INFO  L471      AbstractCegarLoop]: Abstraction has 8236 states and 12323 transitions.
[2024-12-02 11:53:12,116 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 247.625) internal successors, (1981), 8 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:12,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 8236 states and 12323 transitions.
[2024-12-02 11:53:12,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1983
[2024-12-02 11:53:12,133 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:53:12,135 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:53:12,135 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 11:53:12,135 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:53:12,136 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:12,137 INFO  L85        PathProgramCache]: Analyzing trace with hash 1824281832, now seen corresponding path program 1 times
[2024-12-02 11:53:12,137 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:12,137 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192938193]
[2024-12-02 11:53:12,137 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:12,137 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:53:45,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:53:52,513 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 11:53:52,513 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:53:52,513 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192938193]
[2024-12-02 11:53:52,514 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192938193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:53:52,514 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:53:52,514 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 11:53:52,514 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912425932]
[2024-12-02 11:53:52,514 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:53:52,515 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 11:53:52,515 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:53:52,516 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 11:53:52,516 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:53:52,516 INFO  L87              Difference]: Start difference. First operand 8236 states and 12323 transitions. Second operand  has 9 states, 9 states have (on average 220.22222222222223) internal successors, (1982), 9 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:53,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:53:53,795 INFO  L93              Difference]: Finished difference Result 16318 states and 24414 transitions.
[2024-12-02 11:53:53,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 11:53:53,797 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 220.22222222222223) internal successors, (1982), 9 states have internal predecessors, (1982), 0 states have call successors, (0), 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 1982
[2024-12-02 11:53:53,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:53:53,801 INFO  L225             Difference]: With dead ends: 16318
[2024-12-02 11:53:53,801 INFO  L226             Difference]: Without dead ends: 8282
[2024-12-02 11:53:53,804 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:53:53,805 INFO  L435           NwaCegarLoop]: 6136 mSDtfsCounter, 6509 mSDsluCounter, 36797 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6509 SdHoareTripleChecker+Valid, 42933 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:53:53,805 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6509 Valid, 42933 Invalid, 2279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 11:53:53,809 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8282 states.
[2024-12-02 11:53:53,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8272.
[2024-12-02 11:53:53,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8272 states, 8271 states have (on average 1.4954660863257163) internal successors, (12369), 8271 states have internal predecessors, (12369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:53,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 12369 transitions.
[2024-12-02 11:53:53,877 INFO  L78                 Accepts]: Start accepts. Automaton has 8272 states and 12369 transitions. Word has length 1982
[2024-12-02 11:53:53,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:53:53,877 INFO  L471      AbstractCegarLoop]: Abstraction has 8272 states and 12369 transitions.
[2024-12-02 11:53:53,878 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 220.22222222222223) internal successors, (1982), 9 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:53:53,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 8272 states and 12369 transitions.
[2024-12-02 11:53:53,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1983
[2024-12-02 11:53:53,903 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:53:53,903 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:53,903 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 11:53:53,903 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:53:53,904 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:53:53,904 INFO  L85        PathProgramCache]: Analyzing trace with hash 1332221156, now seen corresponding path program 1 times
[2024-12-02 11:53:53,904 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:53:53,904 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383664268]
[2024-12-02 11:53:53,904 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:53:53,905 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:54:14,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:19,968 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 11:54:19,968 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:54:19,968 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383664268]
[2024-12-02 11:54:19,968 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383664268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:54:19,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:54:19,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 11:54:19,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745036534]
[2024-12-02 11:54:19,968 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:54:19,970 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 11:54:19,970 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:54:19,970 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 11:54:19,971 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 11:54:19,971 INFO  L87              Difference]: Start difference. First operand 8272 states and 12369 transitions. Second operand  has 8 states, 8 states have (on average 247.75) internal successors, (1982), 8 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:20,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:54:20,797 INFO  L93              Difference]: Finished difference Result 18531 states and 27703 transitions.
[2024-12-02 11:54:20,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 11:54:20,798 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 247.75) internal successors, (1982), 8 states have internal predecessors, (1982), 0 states have call successors, (0), 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 1982
[2024-12-02 11:54:20,798 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:54:20,804 INFO  L225             Difference]: With dead ends: 18531
[2024-12-02 11:54:20,804 INFO  L226             Difference]: Without dead ends: 10624
[2024-12-02 11:54:20,809 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-02 11:54:20,809 INFO  L435           NwaCegarLoop]: 6333 mSDtfsCounter, 9471 mSDsluCounter, 31243 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9471 SdHoareTripleChecker+Valid, 37576 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:54:20,809 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9471 Valid, 37576 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:54:20,816 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10624 states.
[2024-12-02 11:54:20,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10624 to 8730.
[2024-12-02 11:54:20,886 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8730 states, 8729 states have (on average 1.4928399587581624) internal successors, (13031), 8729 states have internal predecessors, (13031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:20,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8730 states to 8730 states and 13031 transitions.
[2024-12-02 11:54:20,893 INFO  L78                 Accepts]: Start accepts. Automaton has 8730 states and 13031 transitions. Word has length 1982
[2024-12-02 11:54:20,893 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:54:20,893 INFO  L471      AbstractCegarLoop]: Abstraction has 8730 states and 13031 transitions.
[2024-12-02 11:54:20,894 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 247.75) internal successors, (1982), 8 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:20,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 8730 states and 13031 transitions.
[2024-12-02 11:54:20,910 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1984
[2024-12-02 11:54:20,910 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:54:20,911 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:20,911 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 11:54:20,911 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:54:20,912 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:20,912 INFO  L85        PathProgramCache]: Analyzing trace with hash 1804138598, now seen corresponding path program 1 times
[2024-12-02 11:54:20,912 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:54:20,912 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624656684]
[2024-12-02 11:54:20,912 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:54:20,912 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:54:22,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:26,171 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 11:54:26,171 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:54:26,171 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624656684]
[2024-12-02 11:54:26,171 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624656684] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:54:26,171 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:54:26,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:54:26,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250436544]
[2024-12-02 11:54:26,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:54:26,172 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:54:26,172 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:54:26,174 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:54:26,174 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:54:26,174 INFO  L87              Difference]: Start difference. First operand 8730 states and 13031 transitions. Second operand  has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:26,993 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:54:26,993 INFO  L93              Difference]: Finished difference Result 21348 states and 31918 transitions.
[2024-12-02 11:54:26,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:54:26,994 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 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 1983
[2024-12-02 11:54:26,995 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:54:27,003 INFO  L225             Difference]: With dead ends: 21348
[2024-12-02 11:54:27,003 INFO  L226             Difference]: Without dead ends: 14804
[2024-12-02 11:54:27,008 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 11:54:27,009 INFO  L435           NwaCegarLoop]: 8336 mSDtfsCounter, 11722 mSDsluCounter, 22846 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11722 SdHoareTripleChecker+Valid, 31182 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:54:27,009 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11722 Valid, 31182 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:54:27,016 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14804 states.
[2024-12-02 11:54:27,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14804 to 11910.
[2024-12-02 11:54:27,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11910 states, 11909 states have (on average 1.4945839281215887) internal successors, (17799), 11909 states have internal predecessors, (17799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:27,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11910 states to 11910 states and 17799 transitions.
[2024-12-02 11:54:27,123 INFO  L78                 Accepts]: Start accepts. Automaton has 11910 states and 17799 transitions. Word has length 1983
[2024-12-02 11:54:27,124 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:54:27,124 INFO  L471      AbstractCegarLoop]: Abstraction has 11910 states and 17799 transitions.
[2024-12-02 11:54:27,124 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:27,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 11910 states and 17799 transitions.
[2024-12-02 11:54:27,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1984
[2024-12-02 11:54:27,142 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:54:27,143 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:27,143 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 11:54:27,143 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:54:27,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:27,144 INFO  L85        PathProgramCache]: Analyzing trace with hash 1399131168, now seen corresponding path program 1 times
[2024-12-02 11:54:27,144 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:54:27,144 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589212313]
[2024-12-02 11:54:27,144 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:54:27,144 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:54:34,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:39,339 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 11:54:39,339 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:54:39,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589212313]
[2024-12-02 11:54:39,340 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589212313] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:54:39,340 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:54:39,340 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:54:39,340 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301532554]
[2024-12-02 11:54:39,340 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:54:39,341 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:54:39,341 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:54:39,342 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:54:39,342 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:54:39,342 INFO  L87              Difference]: Start difference. First operand 11910 states and 17799 transitions. Second operand  has 4 states, 4 states have (on average 495.75) internal successors, (1983), 4 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:39,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:54:39,468 INFO  L93              Difference]: Finished difference Result 18868 states and 28196 transitions.
[2024-12-02 11:54:39,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:54:39,469 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 495.75) internal successors, (1983), 4 states have internal predecessors, (1983), 0 states have call successors, (0), 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 1983
[2024-12-02 11:54:39,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:54:39,477 INFO  L225             Difference]: With dead ends: 18868
[2024-12-02 11:54:39,477 INFO  L226             Difference]: Without dead ends: 11910
[2024-12-02 11:54:39,481 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 11:54:39,482 INFO  L435           NwaCegarLoop]: 6442 mSDtfsCounter, 2956 mSDsluCounter, 9084 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 15526 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:54:39,482 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 15526 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:54:39,488 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11910 states.
[2024-12-02 11:54:39,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11910 to 11910.
[2024-12-02 11:54:39,562 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11910 states, 11909 states have (on average 1.4944159879083045) internal successors, (17797), 11909 states have internal predecessors, (17797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:39,577 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11910 states to 11910 states and 17797 transitions.
[2024-12-02 11:54:39,577 INFO  L78                 Accepts]: Start accepts. Automaton has 11910 states and 17797 transitions. Word has length 1983
[2024-12-02 11:54:39,578 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:54:39,578 INFO  L471      AbstractCegarLoop]: Abstraction has 11910 states and 17797 transitions.
[2024-12-02 11:54:39,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 495.75) internal successors, (1983), 4 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:54:39,579 INFO  L276                IsEmpty]: Start isEmpty. Operand 11910 states and 17797 transitions.
[2024-12-02 11:54:39,596 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1985
[2024-12-02 11:54:39,596 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:54:39,597 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:39,597 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 11:54:39,597 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:54:39,597 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:39,598 INFO  L85        PathProgramCache]: Analyzing trace with hash -1249713602, now seen corresponding path program 1 times
[2024-12-02 11:54:39,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:54:39,598 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668787703]
[2024-12-02 11:54:39,598 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:54:39,598 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:00,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:05,249 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 11:55:05,249 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:05,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668787703]
[2024-12-02 11:55:05,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668787703] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:05,249 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:55:05,249 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:55:05,249 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755525942]
[2024-12-02 11:55:05,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:05,250 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:55:05,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:05,252 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:55:05,252 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:55:05,253 INFO  L87              Difference]: Start difference. First operand 11910 states and 17797 transitions. Second operand  has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:05,674 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:05,675 INFO  L93              Difference]: Finished difference Result 18025 states and 26933 transitions.
[2024-12-02 11:55:05,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:55:05,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 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 1984
[2024-12-02 11:55:05,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:05,688 INFO  L225             Difference]: With dead ends: 18025
[2024-12-02 11:55:05,688 INFO  L226             Difference]: Without dead ends: 11910
[2024-12-02 11:55:05,692 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:55:05,693 INFO  L435           NwaCegarLoop]: 6200 mSDtfsCounter, 4491 mSDsluCounter, 6198 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4491 SdHoareTripleChecker+Valid, 12398 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:05,693 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4491 Valid, 12398 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 11:55:05,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11910 states.
[2024-12-02 11:55:05,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11910 to 11910.
[2024-12-02 11:55:05,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11910 states, 11909 states have (on average 1.4942480476950206) internal successors, (17795), 11909 states have internal predecessors, (17795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:05,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11910 states to 11910 states and 17795 transitions.
[2024-12-02 11:55:05,806 INFO  L78                 Accepts]: Start accepts. Automaton has 11910 states and 17795 transitions. Word has length 1984
[2024-12-02 11:55:05,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:05,808 INFO  L471      AbstractCegarLoop]: Abstraction has 11910 states and 17795 transitions.
[2024-12-02 11:55:05,808 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:05,808 INFO  L276                IsEmpty]: Start isEmpty. Operand 11910 states and 17795 transitions.
[2024-12-02 11:55:05,828 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1986
[2024-12-02 11:55:05,829 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:55:05,829 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:05,829 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 11:55:05,829 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:05,830 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:05,831 INFO  L85        PathProgramCache]: Analyzing trace with hash -260991545, now seen corresponding path program 1 times
[2024-12-02 11:55:05,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:05,831 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259373314]
[2024-12-02 11:55:05,831 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:05,831 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:32,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:37,490 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 11:55:37,490 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:37,490 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259373314]
[2024-12-02 11:55:37,490 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259373314] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:37,491 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:55:37,491 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 11:55:37,491 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831457894]
[2024-12-02 11:55:37,491 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:37,492 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 11:55:37,492 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:37,493 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 11:55:37,493 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:55:37,493 INFO  L87              Difference]: Start difference. First operand 11910 states and 17795 transitions. Second operand  has 7 states, 7 states have (on average 283.57142857142856) internal successors, (1985), 7 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:38,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:38,522 INFO  L93              Difference]: Finished difference Result 23534 states and 35184 transitions.
[2024-12-02 11:55:38,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 11:55:38,523 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 283.57142857142856) internal successors, (1985), 7 states have internal predecessors, (1985), 0 states have call successors, (0), 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 1985
[2024-12-02 11:55:38,524 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:38,530 INFO  L225             Difference]: With dead ends: 23534
[2024-12-02 11:55:38,530 INFO  L226             Difference]: Without dead ends: 11926
[2024-12-02 11:55:38,534 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:55:38,536 INFO  L435           NwaCegarLoop]: 6139 mSDtfsCounter, 6382 mSDsluCounter, 24531 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6382 SdHoareTripleChecker+Valid, 30670 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:38,537 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6382 Valid, 30670 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 11:55:38,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11926 states.
[2024-12-02 11:55:38,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11926 to 11850.
[2024-12-02 11:55:38,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11850 states, 11849 states have (on average 1.4950628745041776) internal successors, (17715), 11849 states have internal predecessors, (17715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:38,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 17715 transitions.
[2024-12-02 11:55:38,626 INFO  L78                 Accepts]: Start accepts. Automaton has 11850 states and 17715 transitions. Word has length 1985
[2024-12-02 11:55:38,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:38,626 INFO  L471      AbstractCegarLoop]: Abstraction has 11850 states and 17715 transitions.
[2024-12-02 11:55:38,626 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 283.57142857142856) internal successors, (1985), 7 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:38,626 INFO  L276                IsEmpty]: Start isEmpty. Operand 11850 states and 17715 transitions.
[2024-12-02 11:55:38,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1987
[2024-12-02 11:55:38,645 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:55:38,646 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:38,646 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 11:55:38,647 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:38,647 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:38,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 1035241747, now seen corresponding path program 1 times
[2024-12-02 11:55:38,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:38,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17944954]
[2024-12-02 11:55:38,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:38,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:55:50,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:55:54,789 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 11:55:54,789 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:55:54,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17944954]
[2024-12-02 11:55:54,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17944954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:55:54,789 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:55:54,789 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:55:54,789 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96485271]
[2024-12-02 11:55:54,789 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:55:54,790 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:55:54,790 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:55:54,791 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:55:54,791 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:55:54,791 INFO  L87              Difference]: Start difference. First operand 11850 states and 17715 transitions. Second operand  has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:55,674 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:55:55,674 INFO  L93              Difference]: Finished difference Result 29896 states and 44697 transitions.
[2024-12-02 11:55:55,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:55:55,675 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 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 1986
[2024-12-02 11:55:55,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:55:55,688 INFO  L225             Difference]: With dead ends: 29896
[2024-12-02 11:55:55,689 INFO  L226             Difference]: Without dead ends: 23468
[2024-12-02 11:55:55,695 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:55:55,695 INFO  L435           NwaCegarLoop]: 6263 mSDtfsCounter, 10978 mSDsluCounter, 18591 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10978 SdHoareTripleChecker+Valid, 24854 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:55:55,695 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10978 Valid, 24854 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:55:55,705 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23468 states.
[2024-12-02 11:55:55,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23468 to 23466.
[2024-12-02 11:55:55,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23466 states, 23465 states have (on average 1.4953760920519923) internal successors, (35089), 23465 states have internal predecessors, (35089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:55,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23466 states to 23466 states and 35089 transitions.
[2024-12-02 11:55:55,859 INFO  L78                 Accepts]: Start accepts. Automaton has 23466 states and 35089 transitions. Word has length 1986
[2024-12-02 11:55:55,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:55:55,860 INFO  L471      AbstractCegarLoop]: Abstraction has 23466 states and 35089 transitions.
[2024-12-02 11:55:55,860 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:55:55,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 23466 states and 35089 transitions.
[2024-12-02 11:55:55,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1988
[2024-12-02 11:55:55,883 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:55:55,883 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:55:55,884 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 11:55:55,884 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:55:55,884 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:55:55,885 INFO  L85        PathProgramCache]: Analyzing trace with hash 711798081, now seen corresponding path program 1 times
[2024-12-02 11:55:55,885 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:55:55,885 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185303542]
[2024-12-02 11:55:55,885 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:55:55,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:56:24,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:56:32,863 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 11:56:32,863 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:56:32,863 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185303542]
[2024-12-02 11:56:32,863 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185303542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:56:32,863 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:56:32,863 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-12-02 11:56:32,863 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20628975]
[2024-12-02 11:56:32,864 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:56:32,864 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 11:56:32,864 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:56:32,865 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 11:56:32,865 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:56:32,866 INFO  L87              Difference]: Start difference. First operand 23466 states and 35089 transitions. Second operand  has 9 states, 9 states have (on average 220.77777777777777) internal successors, (1987), 9 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:56:33,531 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:56:33,531 INFO  L93              Difference]: Finished difference Result 35632 states and 53272 transitions.
[2024-12-02 11:56:33,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 11:56:33,532 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 220.77777777777777) internal successors, (1987), 9 states have internal predecessors, (1987), 0 states have call successors, (0), 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 1987
[2024-12-02 11:56:33,533 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:56:33,548 INFO  L225             Difference]: With dead ends: 35632
[2024-12-02 11:56:33,548 INFO  L226             Difference]: Without dead ends: 23500
[2024-12-02 11:56:33,557 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210
[2024-12-02 11:56:33,557 INFO  L435           NwaCegarLoop]: 6411 mSDtfsCounter, 21645 mSDsluCounter, 32057 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21645 SdHoareTripleChecker+Valid, 38468 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 11:56:33,557 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21645 Valid, 38468 Invalid, 276 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 11:56:33,569 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23500 states.
[2024-12-02 11:56:33,756 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23500 to 23474.
[2024-12-02 11:56:33,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23474 states, 23473 states have (on average 1.495292463681677) internal successors, (35099), 23473 states have internal predecessors, (35099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:56:33,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23474 states to 23474 states and 35099 transitions.
[2024-12-02 11:56:33,796 INFO  L78                 Accepts]: Start accepts. Automaton has 23474 states and 35099 transitions. Word has length 1987
[2024-12-02 11:56:33,796 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:56:33,797 INFO  L471      AbstractCegarLoop]: Abstraction has 23474 states and 35099 transitions.
[2024-12-02 11:56:33,797 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 220.77777777777777) internal successors, (1987), 9 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:56:33,797 INFO  L276                IsEmpty]: Start isEmpty. Operand 23474 states and 35099 transitions.
[2024-12-02 11:56:33,830 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1989
[2024-12-02 11:56:33,830 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:56:33,831 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:56:33,831 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 11:56:33,831 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:56:33,832 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:56:33,833 INFO  L85        PathProgramCache]: Analyzing trace with hash -2139505388, now seen corresponding path program 1 times
[2024-12-02 11:56:33,833 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:56:33,833 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042437580]
[2024-12-02 11:56:33,833 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:56:33,833 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:57:06,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:57:09,697 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 11:57:09,697 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:57:09,697 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042437580]
[2024-12-02 11:57:09,697 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042437580] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:57:09,698 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:57:09,698 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:57:09,698 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232059086]
[2024-12-02 11:57:09,698 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:57:09,699 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:57:09,699 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:57:09,700 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:57:09,700 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:57:09,700 INFO  L87              Difference]: Start difference. First operand 23474 states and 35099 transitions. Second operand  has 6 states, 6 states have (on average 331.3333333333333) internal successors, (1988), 6 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:10,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:57:10,315 INFO  L93              Difference]: Finished difference Result 37342 states and 55826 transitions.
[2024-12-02 11:57:10,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:57:10,316 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 331.3333333333333) internal successors, (1988), 6 states have internal predecessors, (1988), 0 states have call successors, (0), 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 1988
[2024-12-02 11:57:10,317 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:57:10,330 INFO  L225             Difference]: With dead ends: 37342
[2024-12-02 11:57:10,330 INFO  L226             Difference]: Without dead ends: 23506
[2024-12-02 11:57:10,338 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:57:10,339 INFO  L435           NwaCegarLoop]: 6195 mSDtfsCounter, 4991 mSDsluCounter, 18578 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4991 SdHoareTripleChecker+Valid, 24773 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:57:10,339 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4991 Valid, 24773 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 11:57:10,350 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23506 states.
[2024-12-02 11:57:10,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23506 to 23498.
[2024-12-02 11:57:10,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23498 states, 23497 states have (on average 1.495127037494148) internal successors, (35131), 23497 states have internal predecessors, (35131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:10,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23498 states to 23498 states and 35131 transitions.
[2024-12-02 11:57:10,510 INFO  L78                 Accepts]: Start accepts. Automaton has 23498 states and 35131 transitions. Word has length 1988
[2024-12-02 11:57:10,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:57:10,511 INFO  L471      AbstractCegarLoop]: Abstraction has 23498 states and 35131 transitions.
[2024-12-02 11:57:10,512 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 331.3333333333333) internal successors, (1988), 6 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:10,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 23498 states and 35131 transitions.
[2024-12-02 11:57:10,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1990
[2024-12-02 11:57:10,533 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:57:10,534 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:57:10,534 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-12-02 11:57:10,534 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:57:10,535 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:57:10,535 INFO  L85        PathProgramCache]: Analyzing trace with hash -1348913368, now seen corresponding path program 1 times
[2024-12-02 11:57:10,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:57:10,535 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985975043]
[2024-12-02 11:57:10,535 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:57:10,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:57:41,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:57:47,263 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 11:57:47,263 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:57:47,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985975043]
[2024-12-02 11:57:47,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985975043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:57:47,263 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:57:47,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 11:57:47,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781072808]
[2024-12-02 11:57:47,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:57:47,265 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 11:57:47,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:57:47,266 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 11:57:47,267 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:57:47,267 INFO  L87              Difference]: Start difference. First operand 23498 states and 35131 transitions. Second operand  has 7 states, 7 states have (on average 284.14285714285717) internal successors, (1989), 7 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:47,584 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:57:47,585 INFO  L93              Difference]: Finished difference Result 64886 states and 97015 transitions.
[2024-12-02 11:57:47,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 11:57:47,586 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 284.14285714285717) internal successors, (1989), 7 states have internal predecessors, (1989), 0 states have call successors, (0), 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 1989
[2024-12-02 11:57:47,586 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:57:47,612 INFO  L225             Difference]: With dead ends: 64886
[2024-12-02 11:57:47,612 INFO  L226             Difference]: Without dead ends: 46294
[2024-12-02 11:57:47,626 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-12-02 11:57:47,627 INFO  L435           NwaCegarLoop]: 10648 mSDtfsCounter, 15207 mSDsluCounter, 38290 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15207 SdHoareTripleChecker+Valid, 48938 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:57:47,627 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [15207 Valid, 48938 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:57:47,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46294 states.
[2024-12-02 11:57:47,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46294 to 33008.
[2024-12-02 11:57:47,906 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33008 states, 33007 states have (on average 1.4942587935892386) internal successors, (49321), 33007 states have internal predecessors, (49321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:47,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33008 states to 33008 states and 49321 transitions.
[2024-12-02 11:57:47,936 INFO  L78                 Accepts]: Start accepts. Automaton has 33008 states and 49321 transitions. Word has length 1989
[2024-12-02 11:57:47,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:57:47,936 INFO  L471      AbstractCegarLoop]: Abstraction has 33008 states and 49321 transitions.
[2024-12-02 11:57:47,937 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 284.14285714285717) internal successors, (1989), 7 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:57:47,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 33008 states and 49321 transitions.
[2024-12-02 11:57:48,021 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1991
[2024-12-02 11:57:48,021 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:57:48,022 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:57:48,022 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-12-02 11:57:48,022 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:57:48,023 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:57:48,024 INFO  L85        PathProgramCache]: Analyzing trace with hash -2045042622, now seen corresponding path program 1 times
[2024-12-02 11:57:48,024 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:57:48,024 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791416338]
[2024-12-02 11:57:48,024 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:57:48,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:58:19,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:58:23,201 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 11:58:23,201 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:58:23,201 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791416338]
[2024-12-02 11:58:23,201 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791416338] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:58:23,201 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:58:23,201 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:58:23,201 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80917646]
[2024-12-02 11:58:23,201 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:58:23,202 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:58:23,202 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:58:23,203 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:58:23,203 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:58:23,204 INFO  L87              Difference]: Start difference. First operand 33008 states and 49321 transitions. Second operand  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:58:23,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:58:23,582 INFO  L93              Difference]: Finished difference Result 33010 states and 49322 transitions.
[2024-12-02 11:58:23,582 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:58:23,583 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 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 1990
[2024-12-02 11:58:23,583 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:58:23,592 INFO  L225             Difference]: With dead ends: 33010
[2024-12-02 11:58:23,592 INFO  L226             Difference]: Without dead ends: 16614
[2024-12-02 11:58:23,600 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 11:58:23,601 INFO  L435           NwaCegarLoop]: 6200 mSDtfsCounter, 6385 mSDsluCounter, 6197 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 12397 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:58:23,601 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6385 Valid, 12397 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:58:23,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16614 states.
[2024-12-02 11:58:23,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16614 to 16462.
[2024-12-02 11:58:23,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16462 states, 16461 states have (on average 1.494198408359152) internal successors, (24596), 16461 states have internal predecessors, (24596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:58:23,723 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16462 states to 16462 states and 24596 transitions.
[2024-12-02 11:58:23,724 INFO  L78                 Accepts]: Start accepts. Automaton has 16462 states and 24596 transitions. Word has length 1990
[2024-12-02 11:58:23,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:58:23,724 INFO  L471      AbstractCegarLoop]: Abstraction has 16462 states and 24596 transitions.
[2024-12-02 11:58:23,724 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:58:23,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 16462 states and 24596 transitions.
[2024-12-02 11:58:23,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1991
[2024-12-02 11:58:23,755 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:58:23,756 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:58:23,756 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-12-02 11:58:23,756 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:58:23,757 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:58:23,757 INFO  L85        PathProgramCache]: Analyzing trace with hash 587500725, now seen corresponding path program 1 times
[2024-12-02 11:58:23,757 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:58:23,757 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002985792]
[2024-12-02 11:58:23,758 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:58:23,758 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:59:13,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:59:17,459 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 11:59:17,460 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:59:17,460 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002985792]
[2024-12-02 11:59:17,460 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002985792] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:59:17,460 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:59:17,460 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:59:17,460 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235080656]
[2024-12-02 11:59:17,460 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:59:17,461 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:59:17,461 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:59:17,462 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:59:17,462 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:59:17,462 INFO  L87              Difference]: Start difference. First operand 16462 states and 24596 transitions. Second operand  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:17,576 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:59:17,576 INFO  L93              Difference]: Finished difference Result 28062 states and 41936 transitions.
[2024-12-02 11:59:17,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:59:17,577 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 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 1990
[2024-12-02 11:59:17,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:59:17,587 INFO  L225             Difference]: With dead ends: 28062
[2024-12-02 11:59:17,587 INFO  L226             Difference]: Without dead ends: 16462
[2024-12-02 11:59:17,593 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 11:59:17,593 INFO  L435           NwaCegarLoop]: 6445 mSDtfsCounter, 5307 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5307 SdHoareTripleChecker+Valid, 13483 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:59:17,593 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5307 Valid, 13483 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:59:17,601 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16462 states.
[2024-12-02 11:59:17,678 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16462 to 11738.
[2024-12-02 11:59:17,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11738 states, 11737 states have (on average 1.4947601601772174) internal successors, (17544), 11737 states have internal predecessors, (17544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:17,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11738 states to 11738 states and 17544 transitions.
[2024-12-02 11:59:17,695 INFO  L78                 Accepts]: Start accepts. Automaton has 11738 states and 17544 transitions. Word has length 1990
[2024-12-02 11:59:17,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:59:17,696 INFO  L471      AbstractCegarLoop]: Abstraction has 11738 states and 17544 transitions.
[2024-12-02 11:59:17,696 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 497.5) internal successors, (1990), 4 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:17,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 11738 states and 17544 transitions.
[2024-12-02 11:59:17,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1991
[2024-12-02 11:59:17,714 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:59:17,715 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:17,715 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-12-02 11:59:17,715 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:59:17,715 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:59:17,716 INFO  L85        PathProgramCache]: Analyzing trace with hash -897714627, now seen corresponding path program 1 times
[2024-12-02 11:59:17,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:59:17,716 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884343538]
[2024-12-02 11:59:17,716 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:59:17,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:59:40,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:59:42,985 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 11:59:42,985 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:59:42,985 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884343538]
[2024-12-02 11:59:42,985 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884343538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:59:42,985 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:59:42,985 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:59:42,985 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594812490]
[2024-12-02 11:59:42,985 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:59:42,986 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:59:42,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:59:42,987 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:59:42,987 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:59:42,987 INFO  L87              Difference]: Start difference. First operand 11738 states and 17544 transitions. Second operand  has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:43,569 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:59:43,570 INFO  L93              Difference]: Finished difference Result 21386 states and 31973 transitions.
[2024-12-02 11:59:43,570 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:59:43,571 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 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 1990
[2024-12-02 11:59:43,571 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:59:43,578 INFO  L225             Difference]: With dead ends: 21386
[2024-12-02 11:59:43,578 INFO  L226             Difference]: Without dead ends: 11738
[2024-12-02 11:59:43,584 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:59:43,584 INFO  L435           NwaCegarLoop]: 6197 mSDtfsCounter, 6368 mSDsluCounter, 11001 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6368 SdHoareTripleChecker+Valid, 17198 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:59:43,584 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6368 Valid, 17198 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 11:59:43,592 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11738 states.
[2024-12-02 11:59:43,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11738 to 11358.
[2024-12-02 11:59:43,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11358 states, 11357 states have (on average 1.4959936602976138) internal successors, (16990), 11357 states have internal predecessors, (16990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:43,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11358 states to 11358 states and 16990 transitions.
[2024-12-02 11:59:43,686 INFO  L78                 Accepts]: Start accepts. Automaton has 11358 states and 16990 transitions. Word has length 1990
[2024-12-02 11:59:43,686 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:59:43,686 INFO  L471      AbstractCegarLoop]: Abstraction has 11358 states and 16990 transitions.
[2024-12-02 11:59:43,687 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:43,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 11358 states and 16990 transitions.
[2024-12-02 11:59:43,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1992
[2024-12-02 11:59:43,707 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:59:43,708 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:59:43,708 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-12-02 11:59:43,708 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:59:43,709 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:59:43,709 INFO  L85        PathProgramCache]: Analyzing trace with hash 160587131, now seen corresponding path program 1 times
[2024-12-02 11:59:43,709 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:59:43,709 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195133000]
[2024-12-02 11:59:43,709 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:59:43,709 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:59:45,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:59:49,314 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 11:59:49,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:59:49,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195133000]
[2024-12-02 11:59:49,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195133000] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:59:49,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:59:49,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:59:49,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455782027]
[2024-12-02 11:59:49,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:59:49,315 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:59:49,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:59:49,316 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:59:49,316 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:59:49,316 INFO  L87              Difference]: Start difference. First operand 11358 states and 16990 transitions. Second operand  has 6 states, 6 states have (on average 331.8333333333333) internal successors, (1991), 6 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:50,103 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:59:50,103 INFO  L93              Difference]: Finished difference Result 21986 states and 32893 transitions.
[2024-12-02 11:59:50,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 11:59:50,104 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 331.8333333333333) internal successors, (1991), 6 states have internal predecessors, (1991), 0 states have call successors, (0), 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 1991
[2024-12-02 11:59:50,104 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:59:50,114 INFO  L225             Difference]: With dead ends: 21986
[2024-12-02 11:59:50,114 INFO  L226             Difference]: Without dead ends: 14264
[2024-12-02 11:59:50,120 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 11:59:50,120 INFO  L435           NwaCegarLoop]: 8117 mSDtfsCounter, 10047 mSDsluCounter, 22407 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10047 SdHoareTripleChecker+Valid, 30524 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 11:59:50,120 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10047 Valid, 30524 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 11:59:50,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14264 states.
[2024-12-02 11:59:50,229 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14264 to 11646.
[2024-12-02 11:59:50,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11646 states, 11645 states have (on average 1.4959209961356805) internal successors, (17420), 11645 states have internal predecessors, (17420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:50,248 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11646 states to 11646 states and 17420 transitions.
[2024-12-02 11:59:50,248 INFO  L78                 Accepts]: Start accepts. Automaton has 11646 states and 17420 transitions. Word has length 1991
[2024-12-02 11:59:50,248 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:59:50,248 INFO  L471      AbstractCegarLoop]: Abstraction has 11646 states and 17420 transitions.
[2024-12-02 11:59:50,249 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 331.8333333333333) internal successors, (1991), 6 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:59:50,249 INFO  L276                IsEmpty]: Start isEmpty. Operand 11646 states and 17420 transitions.
[2024-12-02 11:59:50,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1992
[2024-12-02 11:59:50,269 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:59:50,270 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:59:50,270 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-12-02 11:59:50,270 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:59:50,270 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:59:50,271 INFO  L85        PathProgramCache]: Analyzing trace with hash -1263543628, now seen corresponding path program 1 times
[2024-12-02 11:59:50,271 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:59:50,271 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930852053]
[2024-12-02 11:59:50,271 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:59:50,271 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:00:16,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:00:19,163 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 12:00:19,163 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:00:19,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930852053]
[2024-12-02 12:00:19,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930852053] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:00:19,163 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:00:19,164 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:00:19,164 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312862412]
[2024-12-02 12:00:19,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:00:19,165 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:00:19,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:00:19,167 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:00:19,167 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:00:19,168 INFO  L87              Difference]: Start difference. First operand 11646 states and 17420 transitions. Second operand  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:19,641 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:00:19,641 INFO  L93              Difference]: Finished difference Result 20774 states and 31075 transitions.
[2024-12-02 12:00:19,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 12:00:19,642 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 0 states have call successors, (0), 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 1991
[2024-12-02 12:00:19,643 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:00:19,650 INFO  L225             Difference]: With dead ends: 20774
[2024-12-02 12:00:19,651 INFO  L226             Difference]: Without dead ends: 11646
[2024-12-02 12:00:19,656 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 12:00:19,656 INFO  L435           NwaCegarLoop]: 6197 mSDtfsCounter, 5859 mSDsluCounter, 12318 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5859 SdHoareTripleChecker+Valid, 18515 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:00:19,657 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5859 Valid, 18515 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 12:00:19,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11646 states.
[2024-12-02 12:00:19,741 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11646 to 11646.
[2024-12-02 12:00:19,750 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11646 states, 11645 states have (on average 1.495577501073422) internal successors, (17416), 11645 states have internal predecessors, (17416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:19,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11646 states to 11646 states and 17416 transitions.
[2024-12-02 12:00:19,760 INFO  L78                 Accepts]: Start accepts. Automaton has 11646 states and 17416 transitions. Word has length 1991
[2024-12-02 12:00:19,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:00:19,760 INFO  L471      AbstractCegarLoop]: Abstraction has 11646 states and 17416 transitions.
[2024-12-02 12:00:19,761 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 398.2) internal successors, (1991), 5 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:19,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 11646 states and 17416 transitions.
[2024-12-02 12:00:19,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1993
[2024-12-02 12:00:19,781 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:00:19,782 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:19,782 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-12-02 12:00:19,782 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:00:19,783 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:00:19,783 INFO  L85        PathProgramCache]: Analyzing trace with hash 1388520270, now seen corresponding path program 1 times
[2024-12-02 12:00:19,783 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:00:19,783 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791371196]
[2024-12-02 12:00:19,783 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:00:19,783 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:00:46,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:00:50,601 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 12:00:50,601 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:00:50,601 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791371196]
[2024-12-02 12:00:50,601 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791371196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:00:50,601 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:00:50,601 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:00:50,601 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967213919]
[2024-12-02 12:00:50,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:00:50,602 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:00:50,602 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:00:50,604 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:00:50,604 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:00:50,604 INFO  L87              Difference]: Start difference. First operand 11646 states and 17416 transitions. Second operand  has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:50,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:00:50,969 INFO  L93              Difference]: Finished difference Result 17767 states and 26566 transitions.
[2024-12-02 12:00:50,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 12:00:50,970 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 1992
[2024-12-02 12:00:50,971 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:00:50,978 INFO  L225             Difference]: With dead ends: 17767
[2024-12-02 12:00:50,978 INFO  L226             Difference]: Without dead ends: 11646
[2024-12-02 12:00:50,982 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:00:50,982 INFO  L435           NwaCegarLoop]: 6199 mSDtfsCounter, 4550 mSDsluCounter, 6196 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4550 SdHoareTripleChecker+Valid, 12395 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:00:50,982 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4550 Valid, 12395 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 12:00:50,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11646 states.
[2024-12-02 12:00:51,058 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11646 to 11646.
[2024-12-02 12:00:51,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11646 states, 11645 states have (on average 1.4954057535422929) internal successors, (17414), 11645 states have internal predecessors, (17414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:51,076 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11646 states to 11646 states and 17414 transitions.
[2024-12-02 12:00:51,076 INFO  L78                 Accepts]: Start accepts. Automaton has 11646 states and 17414 transitions. Word has length 1992
[2024-12-02 12:00:51,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:00:51,077 INFO  L471      AbstractCegarLoop]: Abstraction has 11646 states and 17414 transitions.
[2024-12-02 12:00:51,077 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:00:51,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 11646 states and 17414 transitions.
[2024-12-02 12:00:51,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1994
[2024-12-02 12:00:51,096 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:00:51,096 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:00:51,096 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-12-02 12:00:51,096 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:00:51,097 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:00:51,097 INFO  L85        PathProgramCache]: Analyzing trace with hash -470408433, now seen corresponding path program 1 times
[2024-12-02 12:00:51,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:00:51,097 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870824101]
[2024-12-02 12:00:51,097 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:00:51,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:01:23,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:01:29,959 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 12:01:29,959 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:01:29,959 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870824101]
[2024-12-02 12:01:29,959 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870824101] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:01:29,959 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:01:29,959 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 12:01:29,959 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045133090]
[2024-12-02 12:01:29,959 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:01:29,960 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 12:01:29,960 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:01:29,961 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 12:01:29,961 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 12:01:29,961 INFO  L87              Difference]: Start difference. First operand 11646 states and 17414 transitions. Second operand  has 7 states, 7 states have (on average 284.7142857142857) internal successors, (1993), 7 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:01:31,832 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:01:31,832 INFO  L93              Difference]: Finished difference Result 18470 states and 27612 transitions.
[2024-12-02 12:01:31,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 12:01:31,833 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 284.7142857142857) internal successors, (1993), 7 states have internal predecessors, (1993), 0 states have call successors, (0), 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 1993
[2024-12-02 12:01:31,834 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:01:31,841 INFO  L225             Difference]: With dead ends: 18470
[2024-12-02 12:01:31,841 INFO  L226             Difference]: Without dead ends: 11646
[2024-12-02 12:01:31,846 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 12:01:31,846 INFO  L435           NwaCegarLoop]: 5726 mSDtfsCounter, 7866 mSDsluCounter, 19325 mSDsCounter, 0 mSdLazyCounter, 3395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7866 SdHoareTripleChecker+Valid, 25051 SdHoareTripleChecker+Invalid, 3396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-12-02 12:01:31,847 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7866 Valid, 25051 Invalid, 3396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3395 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-12-02 12:01:31,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11646 states.
[2024-12-02 12:01:31,930 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11646 to 11646.
[2024-12-02 12:01:31,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11646 states, 11645 states have (on average 1.4950622584800344) internal successors, (17410), 11645 states have internal predecessors, (17410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:01:31,947 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11646 states to 11646 states and 17410 transitions.
[2024-12-02 12:01:31,948 INFO  L78                 Accepts]: Start accepts. Automaton has 11646 states and 17410 transitions. Word has length 1993
[2024-12-02 12:01:31,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:01:31,949 INFO  L471      AbstractCegarLoop]: Abstraction has 11646 states and 17410 transitions.
[2024-12-02 12:01:31,949 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 284.7142857142857) internal successors, (1993), 7 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:01:31,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 11646 states and 17410 transitions.
[2024-12-02 12:01:31,969 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1994
[2024-12-02 12:01:31,969 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 12:01:31,969 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 12:01:31,970 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-12-02 12:01:31,970 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:01:31,970 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:01:31,971 INFO  L85        PathProgramCache]: Analyzing trace with hash -666589756, now seen corresponding path program 1 times
[2024-12-02 12:01:31,971 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:01:31,971 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726301125]
[2024-12-02 12:01:31,971 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:01:31,971 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms