./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB --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 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 20:21:00,426 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-27 20:21:00,536 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-27 20:21:00,547 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 20:21:00,547 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 20:21:00,576 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 20:21:00,577 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 20:21:00,577 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 20:21:00,578 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-27 20:21:00,578 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-27 20:21:00,578 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 20:21:00,579 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 20:21:00,579 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 20:21:00,579 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-27 20:21:00,579 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-27 20:21:00,580 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 20:21:00,580 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-27 20:21:00,581 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 20:21:00,581 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:21:00,582 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 20:21:00,582 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 20:21:00,582 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 20:21:00,582 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 20:21:00,582 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:21:00,582 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 20:21:00,582 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 20:21:00,583 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-27 20:21:00,583 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 20:21:00,583 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-27 20:21:00,584 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 20:21:00,584 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 20:21:00,584 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-27 20:21:00,584 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-27 20:21:00,584 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-27 20:21:00,584 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_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB
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 -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7
[2024-11-27 20:21:00,946 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 20:21:00,962 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 20:21:00,965 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 20:21:00,967 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-27 20:21:00,968 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-27 20:21:00,969 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c
[2024-11-27 20:21:04,221 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/data/c87e78eb8/375d43b499a943ce988731622608cd8b/FLAG7f8b9866d
[2024-11-27 20:21:04,854 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-27 20:21:04,855 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c
[2024-11-27 20:21:04,902 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/data/c87e78eb8/375d43b499a943ce988731622608cd8b/FLAG7f8b9866d
[2024-11-27 20:21:05,288 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/data/c87e78eb8/375d43b499a943ce988731622608cd8b
[2024-11-27 20:21:05,291 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 20:21:05,293 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 20:21:05,294 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 20:21:05,294 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 20:21:05,300 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 20:21:05,301 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:05" (1/1) ...
[2024-11-27 20:21:05,302 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f6fe4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:05, skipping insertion in model container
[2024-11-27 20:21:05,302 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:05" (1/1) ...
[2024-11-27 20:21:05,386 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-27 20:21:05,653 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_2120150f-ca73-496a-a56c-453dc0c48ac7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187]
[2024-11-27 20:21:06,345 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 20:21:06,356 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-27 20:21:06,367 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_2120150f-ca73-496a-a56c-453dc0c48ac7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187]
[2024-11-27 20:21:06,750 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 20:21:06,767 INFO  L204         MainTranslator]: Completed translation
[2024-11-27 20:21:06,767 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06 WrapperNode
[2024-11-27 20:21:06,768 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 20:21:06,769 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 20:21:06,769 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 20:21:06,769 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 20:21:06,777 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:06,863 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:08,109 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10403
[2024-11-27 20:21:08,110 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 20:21:08,110 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 20:21:08,110 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 20:21:08,110 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 20:21:08,125 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:08,125 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:08,534 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,088 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-27 20:21:09,088 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,089 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,592 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,620 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,701 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,797 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:09,845 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:10,068 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 20:21:10,071 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 20:21:10,072 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 20:21:10,072 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-27 20:21:10,074 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (1/1) ...
[2024-11-27 20:21:10,085 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:21:10,103 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-27 20:21:10,120 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-27 20:21:10,126 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2120150f-ca73-496a-a56c-453dc0c48ac7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-27 20:21:10,159 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 20:21:10,159 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-27 20:21:10,159 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 20:21:10,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 20:21:11,147 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-27 20:21:11,150 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 20:21:30,263 INFO  L?                        ?]: Removed 5604 outVars from TransFormulas that were not future-live.
[2024-11-27 20:21:30,264 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-27 20:21:30,380 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 20:21:30,380 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-27 20:21:30,383 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:30 BoogieIcfgContainer
[2024-11-27 20:21:30,384 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 20:21:30,387 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 20:21:30,387 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 20:21:30,393 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-27 20:21:30,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:21:05" (1/3) ...
[2024-11-27 20:21:30,394 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42409264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:30, skipping insertion in model container
[2024-11-27 20:21:30,394 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:06" (2/3) ...
[2024-11-27 20:21:30,395 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42409264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:30, skipping insertion in model container
[2024-11-27 20:21:30,399 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:30" (3/3) ...
[2024-11-27 20:21:30,401 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.1.prop1-func-interl.c
[2024-11-27 20:21:30,422 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 20:21:30,424 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.1.prop1-func-interl.c that has 1 procedures, 3776 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-27 20:21:30,722 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-27 20:21:30,740 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;@dda9ddd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 20:21:30,740 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-27 20:21:30,761 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3776 states, 3774 states have (on average 1.503709591944886) internal successors, (5675), 3775 states have internal predecessors, (5675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:30,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2024-11-27 20:21:30,782 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:30,783 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]
[2024-11-27 20:21:30,785 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:30,792 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:30,793 INFO  L85        PathProgramCache]: Analyzing trace with hash -1125154294, now seen corresponding path program 1 times
[2024-11-27 20:21:30,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:30,803 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897854461]
[2024-11-27 20:21:30,804 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:30,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:31,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:32,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:32,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:32,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897854461]
[2024-11-27 20:21:32,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897854461] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:32,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:32,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:21:32,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555101756]
[2024-11-27 20:21:32,801 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:32,807 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:21:32,808 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:32,836 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:21:32,836 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:21:32,849 INFO  L87              Difference]: Start difference. First operand  has 3776 states, 3774 states have (on average 1.503709591944886) internal successors, (5675), 3775 states have internal predecessors, (5675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:38,850 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:38,850 INFO  L93              Difference]: Finished difference Result 11042 states and 16603 transitions.
[2024-11-27 20:21:38,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:21:38,853 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 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 161
[2024-11-27 20:21:38,854 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:38,917 INFO  L225             Difference]: With dead ends: 11042
[2024-11-27 20:21:38,920 INFO  L226             Difference]: Without dead ends: 7400
[2024-11-27 20:21:38,940 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:21:38,943 INFO  L435           NwaCegarLoop]: 4535 mSDtfsCounter, 5500 mSDsluCounter, 13471 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5500 SdHoareTripleChecker+Valid, 18006 SdHoareTripleChecker+Invalid, 4480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-11-27 20:21:38,944 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5500 Valid, 18006 Invalid, 4480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4479 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-11-27 20:21:38,984 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7400 states.
[2024-11-27 20:21:39,331 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7400 to 3944.
[2024-11-27 20:21:39,344 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3944 states, 3943 states have (on average 1.5029165609941668) internal successors, (5926), 3943 states have internal predecessors, (5926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:39,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 5926 transitions.
[2024-11-27 20:21:39,379 INFO  L78                 Accepts]: Start accepts. Automaton has 3944 states and 5926 transitions. Word has length 161
[2024-11-27 20:21:39,380 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:39,380 INFO  L471      AbstractCegarLoop]: Abstraction has 3944 states and 5926 transitions.
[2024-11-27 20:21:39,381 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:39,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 3944 states and 5926 transitions.
[2024-11-27 20:21:39,387 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2024-11-27 20:21:39,391 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:39,391 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]
[2024-11-27 20:21:39,391 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 20:21:39,392 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:39,392 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:39,393 INFO  L85        PathProgramCache]: Analyzing trace with hash -1663423289, now seen corresponding path program 1 times
[2024-11-27 20:21:39,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:39,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837219499]
[2024-11-27 20:21:39,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:39,393 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:39,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:40,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:40,856 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:40,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837219499]
[2024-11-27 20:21:40,857 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837219499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:40,857 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:40,857 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:21:40,857 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258458010]
[2024-11-27 20:21:40,857 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:40,860 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:21:40,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:40,862 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:21:40,863 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:21:40,864 INFO  L87              Difference]: Start difference. First operand 3944 states and 5926 transitions. Second operand  has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:40,967 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:40,967 INFO  L93              Difference]: Finished difference Result 3948 states and 5930 transitions.
[2024-11-27 20:21:40,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:21:40,968 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 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 163
[2024-11-27 20:21:40,971 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:40,986 INFO  L225             Difference]: With dead ends: 3948
[2024-11-27 20:21:40,987 INFO  L226             Difference]: Without dead ends: 3946
[2024-11-27 20:21:40,989 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
[2024-11-27 20:21:40,989 INFO  L435           NwaCegarLoop]: 5669 mSDtfsCounter, 0 mSDsluCounter, 11332 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17001 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-27 20:21:40,990 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17001 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 20:21:40,999 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3946 states.
[2024-11-27 20:21:41,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946.
[2024-11-27 20:21:41,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3946 states, 3945 states have (on average 1.502661596958175) internal successors, (5928), 3945 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:41,091 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5928 transitions.
[2024-11-27 20:21:41,091 INFO  L78                 Accepts]: Start accepts. Automaton has 3946 states and 5928 transitions. Word has length 163
[2024-11-27 20:21:41,092 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:41,093 INFO  L471      AbstractCegarLoop]: Abstraction has 3946 states and 5928 transitions.
[2024-11-27 20:21:41,093 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:41,093 INFO  L276                IsEmpty]: Start isEmpty. Operand 3946 states and 5928 transitions.
[2024-11-27 20:21:41,097 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2024-11-27 20:21:41,098 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:41,098 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]
[2024-11-27 20:21:41,098 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 20:21:41,099 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:41,099 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:41,099 INFO  L85        PathProgramCache]: Analyzing trace with hash -24818240, now seen corresponding path program 1 times
[2024-11-27 20:21:41,099 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:41,099 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533146341]
[2024-11-27 20:21:41,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:41,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:41,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:41,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:41,610 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:41,610 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533146341]
[2024-11-27 20:21:41,610 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533146341] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:41,610 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:41,610 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:21:41,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377081720]
[2024-11-27 20:21:41,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:41,612 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:21:41,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:41,613 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:21:41,613 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:21:41,613 INFO  L87              Difference]: Start difference. First operand 3946 states and 5928 transitions. Second operand  has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:41,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:41,745 INFO  L93              Difference]: Finished difference Result 7589 states and 11404 transitions.
[2024-11-27 20:21:41,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:21:41,746 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 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 164
[2024-11-27 20:21:41,747 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:41,764 INFO  L225             Difference]: With dead ends: 7589
[2024-11-27 20:21:41,764 INFO  L226             Difference]: Without dead ends: 3948
[2024-11-27 20:21:41,769 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
[2024-11-27 20:21:41,771 INFO  L435           NwaCegarLoop]: 5669 mSDtfsCounter, 0 mSDsluCounter, 11328 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16997 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
[2024-11-27 20:21:41,772 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16997 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 20:21:41,781 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3948 states.
[2024-11-27 20:21:41,857 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 3948.
[2024-11-27 20:21:41,866 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3948 states, 3947 states have (on average 1.5024068913098556) internal successors, (5930), 3947 states have internal predecessors, (5930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:41,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5930 transitions.
[2024-11-27 20:21:41,886 INFO  L78                 Accepts]: Start accepts. Automaton has 3948 states and 5930 transitions. Word has length 164
[2024-11-27 20:21:41,886 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:41,886 INFO  L471      AbstractCegarLoop]: Abstraction has 3948 states and 5930 transitions.
[2024-11-27 20:21:41,887 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:41,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 3948 states and 5930 transitions.
[2024-11-27 20:21:41,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2024-11-27 20:21:41,890 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:41,890 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]
[2024-11-27 20:21:41,890 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-27 20:21:41,891 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:41,891 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:41,891 INFO  L85        PathProgramCache]: Analyzing trace with hash -1867330368, now seen corresponding path program 1 times
[2024-11-27 20:21:41,891 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:41,892 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658557951]
[2024-11-27 20:21:41,892 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:41,892 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:42,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:42,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:42,547 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:42,547 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658557951]
[2024-11-27 20:21:42,547 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658557951] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:42,547 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:42,547 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:21:42,547 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809412602]
[2024-11-27 20:21:42,548 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:42,548 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:21:42,548 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:42,549 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:21:42,549 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:21:42,549 INFO  L87              Difference]: Start difference. First operand 3948 states and 5930 transitions. Second operand  has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:42,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:42,726 INFO  L93              Difference]: Finished difference Result 7600 states and 11417 transitions.
[2024-11-27 20:21:42,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:21:42,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 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 165
[2024-11-27 20:21:42,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:42,744 INFO  L225             Difference]: With dead ends: 7600
[2024-11-27 20:21:42,744 INFO  L226             Difference]: Without dead ends: 3957
[2024-11-27 20:21:42,749 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
[2024-11-27 20:21:42,751 INFO  L435           NwaCegarLoop]: 5668 mSDtfsCounter, 2 mSDsluCounter, 16992 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 22660 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:21:42,752 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 22660 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:21:42,762 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3957 states.
[2024-11-27 20:21:42,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3957.
[2024-11-27 20:21:42,849 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3957 states, 3956 states have (on average 1.5017694641051567) internal successors, (5941), 3956 states have internal predecessors, (5941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:42,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5941 transitions.
[2024-11-27 20:21:42,865 INFO  L78                 Accepts]: Start accepts. Automaton has 3957 states and 5941 transitions. Word has length 165
[2024-11-27 20:21:42,866 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:42,866 INFO  L471      AbstractCegarLoop]: Abstraction has 3957 states and 5941 transitions.
[2024-11-27 20:21:42,866 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:42,870 INFO  L276                IsEmpty]: Start isEmpty. Operand 3957 states and 5941 transitions.
[2024-11-27 20:21:42,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2024-11-27 20:21:42,872 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:42,872 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]
[2024-11-27 20:21:42,872 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-27 20:21:42,873 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:42,873 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:42,873 INFO  L85        PathProgramCache]: Analyzing trace with hash 1432098408, now seen corresponding path program 1 times
[2024-11-27 20:21:42,873 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:42,873 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146498965]
[2024-11-27 20:21:42,874 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:42,874 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:42,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:43,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:43,481 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:43,481 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146498965]
[2024-11-27 20:21:43,481 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146498965] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:43,481 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:43,481 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:21:43,482 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812258139]
[2024-11-27 20:21:43,482 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:43,482 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:21:43,482 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:43,483 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:21:43,483 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:21:43,483 INFO  L87              Difference]: Start difference. First operand 3957 states and 5941 transitions. Second operand  has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:43,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:43,720 INFO  L93              Difference]: Finished difference Result 10600 states and 15926 transitions.
[2024-11-27 20:21:43,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:21:43,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 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 166
[2024-11-27 20:21:43,721 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:43,748 INFO  L225             Difference]: With dead ends: 10600
[2024-11-27 20:21:43,749 INFO  L226             Difference]: Without dead ends: 6946
[2024-11-27 20:21:43,754 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:21:43,755 INFO  L435           NwaCegarLoop]: 5665 mSDtfsCounter, 4802 mSDsluCounter, 16790 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4802 SdHoareTripleChecker+Valid, 22455 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:21:43,756 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4802 Valid, 22455 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:21:43,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6946 states.
[2024-11-27 20:21:43,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6946 to 3952.
[2024-11-27 20:21:43,878 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3952 states, 3951 states have (on average 1.5018982536066818) internal successors, (5934), 3951 states have internal predecessors, (5934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:43,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5934 transitions.
[2024-11-27 20:21:43,893 INFO  L78                 Accepts]: Start accepts. Automaton has 3952 states and 5934 transitions. Word has length 166
[2024-11-27 20:21:43,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:43,894 INFO  L471      AbstractCegarLoop]: Abstraction has 3952 states and 5934 transitions.
[2024-11-27 20:21:43,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:43,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 3952 states and 5934 transitions.
[2024-11-27 20:21:44,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2024-11-27 20:21:44,031 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:44,032 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:21:44,033 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-27 20:21:44,033 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:44,034 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:44,035 INFO  L85        PathProgramCache]: Analyzing trace with hash 408075307, now seen corresponding path program 1 times
[2024-11-27 20:21:44,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:44,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575919860]
[2024-11-27 20:21:44,036 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:44,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:47,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:21:55,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:21:55,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:21:55,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575919860]
[2024-11-27 20:21:55,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575919860] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:21:55,766 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:21:55,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-27 20:21:55,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004870100]
[2024-11-27 20:21:55,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:21:55,771 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 20:21:55,771 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:21:55,775 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 20:21:55,776 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 20:21:55,777 INFO  L87              Difference]: Start difference. First operand 3952 states and 5934 transitions. Second operand  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:55,887 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:21:55,887 INFO  L93              Difference]: Finished difference Result 7602 states and 11419 transitions.
[2024-11-27 20:21:55,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 20:21:55,892 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 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 1929
[2024-11-27 20:21:55,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:21:55,913 INFO  L225             Difference]: With dead ends: 7602
[2024-11-27 20:21:55,913 INFO  L226             Difference]: Without dead ends: 3953
[2024-11-27 20:21:55,918 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 20:21:55,920 INFO  L435           NwaCegarLoop]: 5670 mSDtfsCounter, 0 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11334 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-27 20:21:55,920 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11334 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 20:21:55,931 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3953 states.
[2024-11-27 20:21:56,018 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3953 to 3953.
[2024-11-27 20:21:56,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3953 states, 3952 states have (on average 1.5017712550607287) internal successors, (5935), 3952 states have internal predecessors, (5935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:56,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5935 transitions.
[2024-11-27 20:21:56,042 INFO  L78                 Accepts]: Start accepts. Automaton has 3953 states and 5935 transitions. Word has length 1929
[2024-11-27 20:21:56,044 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:21:56,045 INFO  L471      AbstractCegarLoop]: Abstraction has 3953 states and 5935 transitions.
[2024-11-27 20:21:56,046 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:21:56,047 INFO  L276                IsEmpty]: Start isEmpty. Operand 3953 states and 5935 transitions.
[2024-11-27 20:21:56,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2024-11-27 20:21:56,224 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:21:56,226 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:21:56,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-27 20:21:56,226 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:21:56,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:21:56,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 774737434, now seen corresponding path program 1 times
[2024-11-27 20:21:56,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:21:56,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349950882]
[2024-11-27 20:21:56,229 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:21:56,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:21:59,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:03,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:03,560 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:03,561 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349950882]
[2024-11-27 20:22:03,561 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349950882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:03,561 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:03,562 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-27 20:22:03,562 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294864705]
[2024-11-27 20:22:03,562 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:03,566 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 20:22:03,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:03,572 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 20:22:03,573 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 20:22:03,574 INFO  L87              Difference]: Start difference. First operand 3953 states and 5935 transitions. Second operand  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:03,741 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:03,741 INFO  L93              Difference]: Finished difference Result 7604 states and 11421 transitions.
[2024-11-27 20:22:03,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 20:22:03,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 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 1929
[2024-11-27 20:22:03,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:03,766 INFO  L225             Difference]: With dead ends: 7604
[2024-11-27 20:22:03,766 INFO  L226             Difference]: Without dead ends: 3954
[2024-11-27 20:22:03,772 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 20:22:03,773 INFO  L435           NwaCegarLoop]: 5670 mSDtfsCounter, 0 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11334 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:03,774 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11334 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 20:22:03,787 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3954 states.
[2024-11-27 20:22:03,892 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3954.
[2024-11-27 20:22:03,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3954 states, 3953 states have (on average 1.5016443207690362) internal successors, (5936), 3953 states have internal predecessors, (5936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:03,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5936 transitions.
[2024-11-27 20:22:03,916 INFO  L78                 Accepts]: Start accepts. Automaton has 3954 states and 5936 transitions. Word has length 1929
[2024-11-27 20:22:03,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:03,917 INFO  L471      AbstractCegarLoop]: Abstraction has 3954 states and 5936 transitions.
[2024-11-27 20:22:03,919 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:03,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 3954 states and 5936 transitions.
[2024-11-27 20:22:04,023 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2024-11-27 20:22:04,023 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:04,025 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:04,025 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-27 20:22:04,025 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:04,026 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:04,032 INFO  L85        PathProgramCache]: Analyzing trace with hash 229308745, now seen corresponding path program 1 times
[2024-11-27 20:22:04,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:04,032 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632268860]
[2024-11-27 20:22:04,032 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:04,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:06,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:09,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2024-11-27 20:22:09,965 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:09,965 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632268860]
[2024-11-27 20:22:09,965 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632268860] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:09,966 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:09,966 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:22:09,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117267856]
[2024-11-27 20:22:09,966 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:09,969 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:22:09,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:09,971 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:22:09,971 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:22:09,973 INFO  L87              Difference]: Start difference. First operand 3954 states and 5936 transitions. Second operand  has 4 states, 4 states have (on average 461.25) internal successors, (1845), 4 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:10,101 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:10,101 INFO  L93              Difference]: Finished difference Result 7609 states and 11426 transitions.
[2024-11-27 20:22:10,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:10,105 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 461.25) internal successors, (1845), 4 states have internal predecessors, (1845), 0 states have call successors, (0), 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 1929
[2024-11-27 20:22:10,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:10,125 INFO  L225             Difference]: With dead ends: 7609
[2024-11-27 20:22:10,125 INFO  L226             Difference]: Without dead ends: 3958
[2024-11-27 20:22:10,130 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
[2024-11-27 20:22:10,131 INFO  L435           NwaCegarLoop]: 5671 mSDtfsCounter, 0 mSDsluCounter, 11323 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16994 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:10,131 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16994 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 20:22:10,139 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3958 states.
[2024-11-27 20:22:10,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3954.
[2024-11-27 20:22:10,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3954 states, 3953 states have (on average 1.5016443207690362) internal successors, (5936), 3953 states have internal predecessors, (5936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:10,233 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5936 transitions.
[2024-11-27 20:22:10,233 INFO  L78                 Accepts]: Start accepts. Automaton has 3954 states and 5936 transitions. Word has length 1929
[2024-11-27 20:22:10,238 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:10,238 INFO  L471      AbstractCegarLoop]: Abstraction has 3954 states and 5936 transitions.
[2024-11-27 20:22:10,239 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 461.25) internal successors, (1845), 4 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:10,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 3954 states and 5936 transitions.
[2024-11-27 20:22:10,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1931
[2024-11-27 20:22:10,332 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:10,334 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:22:10,335 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-27 20:22:10,335 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:10,336 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:10,338 INFO  L85        PathProgramCache]: Analyzing trace with hash -572475682, now seen corresponding path program 1 times
[2024-11-27 20:22:10,338 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:10,338 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149333001]
[2024-11-27 20:22:10,339 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:10,339 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:13,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:17,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:17,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:17,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149333001]
[2024-11-27 20:22:17,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149333001] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:17,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:17,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:22:17,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92959846]
[2024-11-27 20:22:17,655 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:17,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:22:17,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:17,660 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:22:17,660 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:22:17,661 INFO  L87              Difference]: Start difference. First operand 3954 states and 5936 transitions. Second operand  has 4 states, 4 states have (on average 482.5) internal successors, (1930), 4 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:18,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:18,382 INFO  L93              Difference]: Finished difference Result 7605 states and 11421 transitions.
[2024-11-27 20:22:18,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:18,384 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 482.5) internal successors, (1930), 4 states have internal predecessors, (1930), 0 states have call successors, (0), 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 1930
[2024-11-27 20:22:18,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:18,395 INFO  L225             Difference]: With dead ends: 7605
[2024-11-27 20:22:18,395 INFO  L226             Difference]: Without dead ends: 3954
[2024-11-27 20:22:18,400 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:18,401 INFO  L435           NwaCegarLoop]: 5476 mSDtfsCounter, 5477 mSDsluCounter, 5472 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5477 SdHoareTripleChecker+Valid, 10948 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:18,401 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5477 Valid, 10948 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-27 20:22:18,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3954 states.
[2024-11-27 20:22:18,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3954.
[2024-11-27 20:22:18,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3954 states, 3953 states have (on average 1.5013913483430306) internal successors, (5935), 3953 states have internal predecessors, (5935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:18,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 5935 transitions.
[2024-11-27 20:22:18,502 INFO  L78                 Accepts]: Start accepts. Automaton has 3954 states and 5935 transitions. Word has length 1930
[2024-11-27 20:22:18,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:18,504 INFO  L471      AbstractCegarLoop]: Abstraction has 3954 states and 5935 transitions.
[2024-11-27 20:22:18,504 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 482.5) internal successors, (1930), 4 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:18,505 INFO  L276                IsEmpty]: Start isEmpty. Operand 3954 states and 5935 transitions.
[2024-11-27 20:22:18,577 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1932
[2024-11-27 20:22:18,577 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:18,579 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:18,579 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-27 20:22:18,580 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:18,581 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:18,586 INFO  L85        PathProgramCache]: Analyzing trace with hash -224731502, now seen corresponding path program 1 times
[2024-11-27 20:22:18,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:18,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163884720]
[2024-11-27 20:22:18,586 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:18,587 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:20,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:24,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:24,089 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:24,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163884720]
[2024-11-27 20:22:24,089 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163884720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:24,090 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:24,090 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:22:24,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571140908]
[2024-11-27 20:22:24,090 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:24,092 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:22:24,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:24,094 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:22:24,094 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:22:24,095 INFO  L87              Difference]: Start difference. First operand 3954 states and 5935 transitions. Second operand  has 4 states, 4 states have (on average 482.75) internal successors, (1931), 4 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:25,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:25,056 INFO  L93              Difference]: Finished difference Result 7575 states and 11389 transitions.
[2024-11-27 20:22:25,057 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:25,057 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 482.75) internal successors, (1931), 4 states have internal predecessors, (1931), 0 states have call successors, (0), 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 1931
[2024-11-27 20:22:25,058 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:25,066 INFO  L225             Difference]: With dead ends: 7575
[2024-11-27 20:22:25,066 INFO  L226             Difference]: Without dead ends: 3924
[2024-11-27 20:22:25,070 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
[2024-11-27 20:22:25,072 INFO  L435           NwaCegarLoop]: 5309 mSDtfsCounter, 5401 mSDsluCounter, 5304 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5401 SdHoareTripleChecker+Valid, 10613 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:25,073 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5401 Valid, 10613 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-27 20:22:25,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3924 states.
[2024-11-27 20:22:25,132 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3924.
[2024-11-27 20:22:25,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3924 states, 3923 states have (on average 1.4970685699719601) internal successors, (5873), 3923 states have internal predecessors, (5873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:25,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5873 transitions.
[2024-11-27 20:22:25,144 INFO  L78                 Accepts]: Start accepts. Automaton has 3924 states and 5873 transitions. Word has length 1931
[2024-11-27 20:22:25,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:25,145 INFO  L471      AbstractCegarLoop]: Abstraction has 3924 states and 5873 transitions.
[2024-11-27 20:22:25,146 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 482.75) internal successors, (1931), 4 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:25,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 3924 states and 5873 transitions.
[2024-11-27 20:22:25,199 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1933
[2024-11-27 20:22:25,199 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:25,201 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-27 20:22:25,201 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-27 20:22:25,202 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:25,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:25,205 INFO  L85        PathProgramCache]: Analyzing trace with hash 541906918, now seen corresponding path program 1 times
[2024-11-27 20:22:25,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:25,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647715915]
[2024-11-27 20:22:25,206 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:25,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:27,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:29,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:29,243 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:29,243 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647715915]
[2024-11-27 20:22:29,243 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647715915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:29,243 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:29,244 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:22:29,244 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771749082]
[2024-11-27 20:22:29,244 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:29,246 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:22:29,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:29,248 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:22:29,248 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:29,249 INFO  L87              Difference]: Start difference. First operand 3924 states and 5873 transitions. Second operand  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:29,407 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:29,407 INFO  L93              Difference]: Finished difference Result 7546 states and 11297 transitions.
[2024-11-27 20:22:29,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:22:29,408 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 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 1932
[2024-11-27 20:22:29,409 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:29,417 INFO  L225             Difference]: With dead ends: 7546
[2024-11-27 20:22:29,417 INFO  L226             Difference]: Without dead ends: 3925
[2024-11-27 20:22:29,421 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-27 20:22:29,422 INFO  L435           NwaCegarLoop]: 5591 mSDtfsCounter, 5415 mSDsluCounter, 11177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5415 SdHoareTripleChecker+Valid, 16768 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:29,422 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5415 Valid, 16768 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:22:29,427 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3925 states.
[2024-11-27 20:22:29,472 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3925.
[2024-11-27 20:22:29,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3925 states, 3924 states have (on average 1.496941896024465) internal successors, (5874), 3924 states have internal predecessors, (5874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:29,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 5874 transitions.
[2024-11-27 20:22:29,484 INFO  L78                 Accepts]: Start accepts. Automaton has 3925 states and 5874 transitions. Word has length 1932
[2024-11-27 20:22:29,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:29,485 INFO  L471      AbstractCegarLoop]: Abstraction has 3925 states and 5874 transitions.
[2024-11-27 20:22:29,486 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:29,486 INFO  L276                IsEmpty]: Start isEmpty. Operand 3925 states and 5874 transitions.
[2024-11-27 20:22:29,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1933
[2024-11-27 20:22:29,522 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:29,523 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:22:29,524 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-27 20:22:29,524 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:29,525 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:29,526 INFO  L85        PathProgramCache]: Analyzing trace with hash 2049702950, now seen corresponding path program 1 times
[2024-11-27 20:22:29,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:29,527 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694062089]
[2024-11-27 20:22:29,527 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:29,528 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:31,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:33,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:33,547 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:33,547 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694062089]
[2024-11-27 20:22:33,547 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694062089] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:33,547 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:33,548 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:22:33,548 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8331844]
[2024-11-27 20:22:33,548 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:33,550 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:22:33,550 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:33,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:22:33,552 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:33,553 INFO  L87              Difference]: Start difference. First operand 3925 states and 5874 transitions. Second operand  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:34,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:34,125 INFO  L93              Difference]: Finished difference Result 7547 states and 11297 transitions.
[2024-11-27 20:22:34,125 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:34,126 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 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 1932
[2024-11-27 20:22:34,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:34,137 INFO  L225             Difference]: With dead ends: 7547
[2024-11-27 20:22:34,137 INFO  L226             Difference]: Without dead ends: 3925
[2024-11-27 20:22:34,141 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:22:34,142 INFO  L435           NwaCegarLoop]: 5414 mSDtfsCounter, 5603 mSDsluCounter, 5412 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5603 SdHoareTripleChecker+Valid, 10826 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:34,142 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5603 Valid, 10826 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-27 20:22:34,148 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3925 states.
[2024-11-27 20:22:34,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3925.
[2024-11-27 20:22:34,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3925 states, 3924 states have (on average 1.4966870540265036) internal successors, (5873), 3924 states have internal predecessors, (5873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:34,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 5873 transitions.
[2024-11-27 20:22:34,204 INFO  L78                 Accepts]: Start accepts. Automaton has 3925 states and 5873 transitions. Word has length 1932
[2024-11-27 20:22:34,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:34,205 INFO  L471      AbstractCegarLoop]: Abstraction has 3925 states and 5873 transitions.
[2024-11-27 20:22:34,206 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:34,206 INFO  L276                IsEmpty]: Start isEmpty. Operand 3925 states and 5873 transitions.
[2024-11-27 20:22:34,240 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1934
[2024-11-27 20:22:34,241 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:34,242 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:34,242 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-27 20:22:34,243 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:34,244 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:34,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 368655466, now seen corresponding path program 1 times
[2024-11-27 20:22:34,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:34,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200590633]
[2024-11-27 20:22:34,246 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:34,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:35,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:38,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:38,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:38,356 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200590633]
[2024-11-27 20:22:38,356 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200590633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:38,356 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:38,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:22:38,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547698574]
[2024-11-27 20:22:38,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:38,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:22:38,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:38,363 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:22:38,363 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:22:38,364 INFO  L87              Difference]: Start difference. First operand 3925 states and 5873 transitions. Second operand  has 4 states, 4 states have (on average 483.25) internal successors, (1933), 4 states have internal predecessors, (1933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:39,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:39,288 INFO  L93              Difference]: Finished difference Result 7547 states and 11295 transitions.
[2024-11-27 20:22:39,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:39,290 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 483.25) internal successors, (1933), 4 states have internal predecessors, (1933), 0 states have call successors, (0), 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 1933
[2024-11-27 20:22:39,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:39,301 INFO  L225             Difference]: With dead ends: 7547
[2024-11-27 20:22:39,301 INFO  L226             Difference]: Without dead ends: 3925
[2024-11-27 20:22:39,305 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
[2024-11-27 20:22:39,306 INFO  L435           NwaCegarLoop]: 5308 mSDtfsCounter, 5386 mSDsluCounter, 5303 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5386 SdHoareTripleChecker+Valid, 10611 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:39,307 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5386 Valid, 10611 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-27 20:22:39,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3925 states.
[2024-11-27 20:22:39,374 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3925.
[2024-11-27 20:22:39,381 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3925 states, 3924 states have (on average 1.496177370030581) internal successors, (5871), 3924 states have internal predecessors, (5871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:39,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 5871 transitions.
[2024-11-27 20:22:39,390 INFO  L78                 Accepts]: Start accepts. Automaton has 3925 states and 5871 transitions. Word has length 1933
[2024-11-27 20:22:39,391 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:39,391 INFO  L471      AbstractCegarLoop]: Abstraction has 3925 states and 5871 transitions.
[2024-11-27 20:22:39,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 483.25) internal successors, (1933), 4 states have internal predecessors, (1933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:39,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 3925 states and 5871 transitions.
[2024-11-27 20:22:39,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1935
[2024-11-27 20:22:39,463 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:39,464 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:39,465 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-27 20:22:39,465 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:39,466 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:39,467 INFO  L85        PathProgramCache]: Analyzing trace with hash 1013791022, now seen corresponding path program 1 times
[2024-11-27 20:22:39,468 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:39,468 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708127037]
[2024-11-27 20:22:39,468 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:39,468 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:41,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:44,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:44,131 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:44,131 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708127037]
[2024-11-27 20:22:44,132 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708127037] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:44,132 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:44,132 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:22:44,132 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041584835]
[2024-11-27 20:22:44,132 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:44,136 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:22:44,136 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:44,139 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:22:44,139 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:44,141 INFO  L87              Difference]: Start difference. First operand 3925 states and 5871 transitions. Second operand  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:44,326 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:44,326 INFO  L93              Difference]: Finished difference Result 7548 states and 11293 transitions.
[2024-11-27 20:22:44,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:22:44,327 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 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 1934
[2024-11-27 20:22:44,327 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:44,335 INFO  L225             Difference]: With dead ends: 7548
[2024-11-27 20:22:44,335 INFO  L226             Difference]: Without dead ends: 3926
[2024-11-27 20:22:44,339 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-27 20:22:44,340 INFO  L435           NwaCegarLoop]: 5587 mSDtfsCounter, 5400 mSDsluCounter, 11169 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5400 SdHoareTripleChecker+Valid, 16756 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:44,341 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5400 Valid, 16756 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:22:44,348 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3926 states.
[2024-11-27 20:22:44,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3926.
[2024-11-27 20:22:44,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3926 states, 3925 states have (on average 1.4960509554140127) internal successors, (5872), 3925 states have internal predecessors, (5872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:44,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5872 transitions.
[2024-11-27 20:22:44,425 INFO  L78                 Accepts]: Start accepts. Automaton has 3926 states and 5872 transitions. Word has length 1934
[2024-11-27 20:22:44,425 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:44,426 INFO  L471      AbstractCegarLoop]: Abstraction has 3926 states and 5872 transitions.
[2024-11-27 20:22:44,426 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:44,427 INFO  L276                IsEmpty]: Start isEmpty. Operand 3926 states and 5872 transitions.
[2024-11-27 20:22:44,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1935
[2024-11-27 20:22:44,499 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:44,501 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:44,501 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-27 20:22:44,501 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:44,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:44,503 INFO  L85        PathProgramCache]: Analyzing trace with hash 803253614, now seen corresponding path program 1 times
[2024-11-27 20:22:44,503 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:44,503 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955459499]
[2024-11-27 20:22:44,504 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:44,504 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:46,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:48,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:48,435 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:48,435 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955459499]
[2024-11-27 20:22:48,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955459499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:48,435 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:48,435 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:22:48,435 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233057218]
[2024-11-27 20:22:48,435 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:48,436 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:22:48,437 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:48,438 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:22:48,438 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:48,438 INFO  L87              Difference]: Start difference. First operand 3926 states and 5872 transitions. Second operand  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:48,941 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:48,941 INFO  L93              Difference]: Finished difference Result 7549 states and 11293 transitions.
[2024-11-27 20:22:48,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:48,942 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 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 1934
[2024-11-27 20:22:48,943 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:48,950 INFO  L225             Difference]: With dead ends: 7549
[2024-11-27 20:22:48,950 INFO  L226             Difference]: Without dead ends: 3926
[2024-11-27 20:22:48,954 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:22:48,955 INFO  L435           NwaCegarLoop]: 5413 mSDtfsCounter, 5564 mSDsluCounter, 5411 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 10824 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:48,955 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 10824 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-27 20:22:48,960 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3926 states.
[2024-11-27 20:22:49,002 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3926.
[2024-11-27 20:22:49,006 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3926 states, 3925 states have (on average 1.495796178343949) internal successors, (5871), 3925 states have internal predecessors, (5871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:49,012 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5871 transitions.
[2024-11-27 20:22:49,013 INFO  L78                 Accepts]: Start accepts. Automaton has 3926 states and 5871 transitions. Word has length 1934
[2024-11-27 20:22:49,013 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:49,013 INFO  L471      AbstractCegarLoop]: Abstraction has 3926 states and 5871 transitions.
[2024-11-27 20:22:49,014 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:49,014 INFO  L276                IsEmpty]: Start isEmpty. Operand 3926 states and 5871 transitions.
[2024-11-27 20:22:49,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1936
[2024-11-27 20:22:49,047 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:49,048 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:22:49,049 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-27 20:22:49,049 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:49,050 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:49,051 INFO  L85        PathProgramCache]: Analyzing trace with hash -1275326388, now seen corresponding path program 1 times
[2024-11-27 20:22:49,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:49,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683006687]
[2024-11-27 20:22:49,051 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:49,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:50,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:52,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:52,879 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:52,879 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683006687]
[2024-11-27 20:22:52,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683006687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:52,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:52,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:22:52,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369055145]
[2024-11-27 20:22:52,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:52,882 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:22:52,882 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:52,883 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:22:52,883 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:22:52,884 INFO  L87              Difference]: Start difference. First operand 3926 states and 5871 transitions. Second operand  has 4 states, 4 states have (on average 483.75) internal successors, (1935), 4 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:53,518 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:53,518 INFO  L93              Difference]: Finished difference Result 7549 states and 11291 transitions.
[2024-11-27 20:22:53,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:22:53,519 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 483.75) internal successors, (1935), 4 states have internal predecessors, (1935), 0 states have call successors, (0), 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 1935
[2024-11-27 20:22:53,519 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:53,524 INFO  L225             Difference]: With dead ends: 7549
[2024-11-27 20:22:53,525 INFO  L226             Difference]: Without dead ends: 3926
[2024-11-27 20:22:53,528 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
[2024-11-27 20:22:53,529 INFO  L435           NwaCegarLoop]: 5307 mSDtfsCounter, 5353 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5353 SdHoareTripleChecker+Valid, 10608 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:53,530 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5353 Valid, 10608 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-27 20:22:53,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3926 states.
[2024-11-27 20:22:53,577 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3926.
[2024-11-27 20:22:53,581 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3926 states, 3925 states have (on average 1.4952866242038216) internal successors, (5869), 3925 states have internal predecessors, (5869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:53,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5869 transitions.
[2024-11-27 20:22:53,587 INFO  L78                 Accepts]: Start accepts. Automaton has 3926 states and 5869 transitions. Word has length 1935
[2024-11-27 20:22:53,588 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:53,588 INFO  L471      AbstractCegarLoop]: Abstraction has 3926 states and 5869 transitions.
[2024-11-27 20:22:53,589 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 483.75) internal successors, (1935), 4 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:53,589 INFO  L276                IsEmpty]: Start isEmpty. Operand 3926 states and 5869 transitions.
[2024-11-27 20:22:53,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1937
[2024-11-27 20:22:53,671 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:53,672 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-27 20:22:53,673 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-27 20:22:53,673 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:53,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:53,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -227156042, now seen corresponding path program 1 times
[2024-11-27 20:22:53,675 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:53,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636797726]
[2024-11-27 20:22:53,676 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:53,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:55,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:22:57,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:22:57,631 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:22:57,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636797726]
[2024-11-27 20:22:57,631 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636797726] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:22:57,631 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:22:57,631 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:22:57,632 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299951541]
[2024-11-27 20:22:57,632 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:22:57,633 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:22:57,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:22:57,635 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:22:57,635 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:22:57,636 INFO  L87              Difference]: Start difference. First operand 3926 states and 5869 transitions. Second operand  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:57,766 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:22:57,766 INFO  L93              Difference]: Finished difference Result 7550 states and 11289 transitions.
[2024-11-27 20:22:57,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:22:57,767 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 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 1936
[2024-11-27 20:22:57,767 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:22:57,771 INFO  L225             Difference]: With dead ends: 7550
[2024-11-27 20:22:57,771 INFO  L226             Difference]: Without dead ends: 3927
[2024-11-27 20:22:57,773 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-27 20:22:57,774 INFO  L435           NwaCegarLoop]: 5585 mSDtfsCounter, 5361 mSDsluCounter, 11165 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 16750 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:22:57,774 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 16750 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:22:57,780 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3927 states.
[2024-11-27 20:22:57,823 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3927 to 3927.
[2024-11-27 20:22:57,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3927 states, 3926 states have (on average 1.4951604686704025) internal successors, (5870), 3926 states have internal predecessors, (5870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:57,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5870 transitions.
[2024-11-27 20:22:57,834 INFO  L78                 Accepts]: Start accepts. Automaton has 3927 states and 5870 transitions. Word has length 1936
[2024-11-27 20:22:57,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:22:57,835 INFO  L471      AbstractCegarLoop]: Abstraction has 3927 states and 5870 transitions.
[2024-11-27 20:22:57,836 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:22:57,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 3927 states and 5870 transitions.
[2024-11-27 20:22:57,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1937
[2024-11-27 20:22:57,869 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:22:57,870 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:22:57,871 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-27 20:22:57,871 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:22:57,872 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:22:57,873 INFO  L85        PathProgramCache]: Analyzing trace with hash 1171940342, now seen corresponding path program 1 times
[2024-11-27 20:22:57,873 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:22:57,873 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121365858]
[2024-11-27 20:22:57,874 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:22:57,874 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:22:59,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:23:01,978 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:23:01,978 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:23:01,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121365858]
[2024-11-27 20:23:01,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121365858] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:23:01,978 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:23:01,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:23:01,979 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458470938]
[2024-11-27 20:23:01,979 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:23:01,981 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:23:01,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:23:01,982 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:23:01,982 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:23:01,983 INFO  L87              Difference]: Start difference. First operand 3927 states and 5870 transitions. Second operand  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:02,485 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:23:02,485 INFO  L93              Difference]: Finished difference Result 7551 states and 11289 transitions.
[2024-11-27 20:23:02,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:23:02,486 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 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 1936
[2024-11-27 20:23:02,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:23:02,489 INFO  L225             Difference]: With dead ends: 7551
[2024-11-27 20:23:02,489 INFO  L226             Difference]: Without dead ends: 3927
[2024-11-27 20:23:02,493 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:23:02,494 INFO  L435           NwaCegarLoop]: 5410 mSDtfsCounter, 10887 mSDsluCounter, 5407 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10887 SdHoareTripleChecker+Valid, 10817 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-27 20:23:02,494 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10887 Valid, 10817 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-27 20:23:02,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3927 states.
[2024-11-27 20:23:02,542 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3927 to 3927.
[2024-11-27 20:23:02,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3927 states, 3926 states have (on average 1.4949057564951604) internal successors, (5869), 3926 states have internal predecessors, (5869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:02,553 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5869 transitions.
[2024-11-27 20:23:02,554 INFO  L78                 Accepts]: Start accepts. Automaton has 3927 states and 5869 transitions. Word has length 1936
[2024-11-27 20:23:02,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:23:02,554 INFO  L471      AbstractCegarLoop]: Abstraction has 3927 states and 5869 transitions.
[2024-11-27 20:23:02,555 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:02,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 3927 states and 5869 transitions.
[2024-11-27 20:23:02,589 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1938
[2024-11-27 20:23:02,589 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:23:02,591 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:23:02,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-27 20:23:02,591 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:23:02,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:23:02,593 INFO  L85        PathProgramCache]: Analyzing trace with hash -2135370524, now seen corresponding path program 1 times
[2024-11-27 20:23:02,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:23:02,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936304390]
[2024-11-27 20:23:02,594 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:23:02,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:23:04,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:23:06,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:23:06,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:23:06,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936304390]
[2024-11-27 20:23:06,743 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936304390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:23:06,743 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:23:06,743 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:23:06,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841854939]
[2024-11-27 20:23:06,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:23:06,746 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:23:06,746 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:23:06,747 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:23:06,748 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:23:06,748 INFO  L87              Difference]: Start difference. First operand 3927 states and 5869 transitions. Second operand  has 4 states, 4 states have (on average 484.25) internal successors, (1937), 4 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:07,451 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:23:07,451 INFO  L93              Difference]: Finished difference Result 7551 states and 11287 transitions.
[2024-11-27 20:23:07,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:23:07,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 484.25) internal successors, (1937), 4 states have internal predecessors, (1937), 0 states have call successors, (0), 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 1937
[2024-11-27 20:23:07,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:23:07,456 INFO  L225             Difference]: With dead ends: 7551
[2024-11-27 20:23:07,456 INFO  L226             Difference]: Without dead ends: 3927
[2024-11-27 20:23:07,459 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
[2024-11-27 20:23:07,459 INFO  L435           NwaCegarLoop]: 5306 mSDtfsCounter, 5332 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5332 SdHoareTripleChecker+Valid, 10607 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-27 20:23:07,459 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5332 Valid, 10607 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-27 20:23:07,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3927 states.
[2024-11-27 20:23:07,500 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3927 to 3927.
[2024-11-27 20:23:07,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3927 states, 3926 states have (on average 1.4943963321446765) internal successors, (5867), 3926 states have internal predecessors, (5867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:07,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5867 transitions.
[2024-11-27 20:23:07,511 INFO  L78                 Accepts]: Start accepts. Automaton has 3927 states and 5867 transitions. Word has length 1937
[2024-11-27 20:23:07,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:23:07,511 INFO  L471      AbstractCegarLoop]: Abstraction has 3927 states and 5867 transitions.
[2024-11-27 20:23:07,512 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 484.25) internal successors, (1937), 4 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:07,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 3927 states and 5867 transitions.
[2024-11-27 20:23:07,544 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1939
[2024-11-27 20:23:07,544 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:23:07,545 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:23:07,545 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-27 20:23:07,546 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:23:07,546 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:23:07,547 INFO  L85        PathProgramCache]: Analyzing trace with hash 405430846, now seen corresponding path program 1 times
[2024-11-27 20:23:07,548 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:23:07,548 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54775204]
[2024-11-27 20:23:07,548 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:23:07,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:23:09,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:23:11,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:23:11,558 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:23:11,558 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54775204]
[2024-11-27 20:23:11,558 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54775204] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:23:11,558 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:23:11,558 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:23:11,559 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645844671]
[2024-11-27 20:23:11,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:23:11,560 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:23:11,561 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:23:11,563 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:23:11,563 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:23:11,564 INFO  L87              Difference]: Start difference. First operand 3927 states and 5867 transitions. Second operand  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:11,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:23:11,692 INFO  L93              Difference]: Finished difference Result 7552 states and 11285 transitions.
[2024-11-27 20:23:11,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:23:11,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 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 1938
[2024-11-27 20:23:11,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:23:11,696 INFO  L225             Difference]: With dead ends: 7552
[2024-11-27 20:23:11,696 INFO  L226             Difference]: Without dead ends: 3928
[2024-11-27 20:23:11,699 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-27 20:23:11,699 INFO  L435           NwaCegarLoop]: 5581 mSDtfsCounter, 5346 mSDsluCounter, 11157 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5346 SdHoareTripleChecker+Valid, 16738 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:23:11,700 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5346 Valid, 16738 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:23:11,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3928 states.
[2024-11-27 20:23:11,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3928.
[2024-11-27 20:23:11,733 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3928 states, 3927 states have (on average 1.494270435446906) internal successors, (5868), 3927 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:11,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 5868 transitions.
[2024-11-27 20:23:11,737 INFO  L78                 Accepts]: Start accepts. Automaton has 3928 states and 5868 transitions. Word has length 1938
[2024-11-27 20:23:11,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:23:11,737 INFO  L471      AbstractCegarLoop]: Abstraction has 3928 states and 5868 transitions.
[2024-11-27 20:23:11,738 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:11,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 3928 states and 5868 transitions.
[2024-11-27 20:23:11,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1939
[2024-11-27 20:23:11,758 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:23:11,759 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:23:11,759 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-27 20:23:11,759 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:23:11,760 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:23:11,761 INFO  L85        PathProgramCache]: Analyzing trace with hash -899991938, now seen corresponding path program 1 times
[2024-11-27 20:23:11,761 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:23:11,761 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745606080]
[2024-11-27 20:23:11,762 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:23:11,762 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:23:13,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:23:16,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:23:16,162 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:23:16,162 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745606080]
[2024-11-27 20:23:16,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745606080] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:23:16,162 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:23:16,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:23:16,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392898711]
[2024-11-27 20:23:16,163 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:23:16,164 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:23:16,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:23:16,166 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:23:16,166 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:23:16,167 INFO  L87              Difference]: Start difference. First operand 3928 states and 5868 transitions. Second operand  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:16,606 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:23:16,606 INFO  L93              Difference]: Finished difference Result 7553 states and 11285 transitions.
[2024-11-27 20:23:16,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:23:16,607 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 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 1938
[2024-11-27 20:23:16,608 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:23:16,611 INFO  L225             Difference]: With dead ends: 7553
[2024-11-27 20:23:16,611 INFO  L226             Difference]: Without dead ends: 3928
[2024-11-27 20:23:16,613 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:23:16,614 INFO  L435           NwaCegarLoop]: 5408 mSDtfsCounter, 5532 mSDsluCounter, 5406 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5532 SdHoareTripleChecker+Valid, 10814 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-27 20:23:16,614 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5532 Valid, 10814 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-27 20:23:16,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3928 states.
[2024-11-27 20:23:16,643 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3928.
[2024-11-27 20:23:16,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3928 states, 3927 states have (on average 1.4940157881334353) internal successors, (5867), 3927 states have internal predecessors, (5867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:16,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 5867 transitions.
[2024-11-27 20:23:16,651 INFO  L78                 Accepts]: Start accepts. Automaton has 3928 states and 5867 transitions. Word has length 1938
[2024-11-27 20:23:16,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:23:16,651 INFO  L471      AbstractCegarLoop]: Abstraction has 3928 states and 5867 transitions.
[2024-11-27 20:23:16,652 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:16,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 3928 states and 5867 transitions.
[2024-11-27 20:23:16,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1940
[2024-11-27 20:23:16,673 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:23:16,674 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:23:16,674 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-27 20:23:16,674 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:23:16,675 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:23:16,676 INFO  L85        PathProgramCache]: Analyzing trace with hash 820400995, now seen corresponding path program 1 times
[2024-11-27 20:23:16,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:23:16,676 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088649673]
[2024-11-27 20:23:16,676 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:23:16,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:23:18,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:23:20,615 INFO  L134       CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 20:23:20,615 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:23:20,615 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088649673]
[2024-11-27 20:23:20,615 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088649673] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:23:20,615 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:23:20,616 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:23:20,616 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915981658]
[2024-11-27 20:23:20,616 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:23:20,617 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:23:20,617 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:23:20,619 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:23:20,620 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:23:20,620 INFO  L87              Difference]: Start difference. First operand 3928 states and 5867 transitions. Second operand  has 4 states, 4 states have (on average 484.75) internal successors, (1939), 4 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:21,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:23:21,301 INFO  L93              Difference]: Finished difference Result 7553 states and 11283 transitions.
[2024-11-27 20:23:21,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:23:21,303 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 484.75) internal successors, (1939), 4 states have internal predecessors, (1939), 0 states have call successors, (0), 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 1939
[2024-11-27 20:23:21,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:23:21,307 INFO  L225             Difference]: With dead ends: 7553
[2024-11-27 20:23:21,307 INFO  L226             Difference]: Without dead ends: 3928
[2024-11-27 20:23:21,309 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
[2024-11-27 20:23:21,311 INFO  L435           NwaCegarLoop]: 5305 mSDtfsCounter, 5321 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 10604 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-27 20:23:21,311 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 10604 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-27 20:23:21,317 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3928 states.
[2024-11-27 20:23:21,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3928.
[2024-11-27 20:23:21,349 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3928 states, 3927 states have (on average 1.4935064935064934) internal successors, (5865), 3927 states have internal predecessors, (5865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:21,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 5865 transitions.
[2024-11-27 20:23:21,353 INFO  L78                 Accepts]: Start accepts. Automaton has 3928 states and 5865 transitions. Word has length 1939
[2024-11-27 20:23:21,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:23:21,354 INFO  L471      AbstractCegarLoop]: Abstraction has 3928 states and 5865 transitions.
[2024-11-27 20:23:21,355 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 484.75) internal successors, (1939), 4 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-27 20:23:21,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 3928 states and 5865 transitions.
[2024-11-27 20:23:21,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1941
[2024-11-27 20:23:21,374 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:23:21,376 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 20:23:21,376 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-27 20:23:21,376 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:23:21,377 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:23:21,378 INFO  L85        PathProgramCache]: Analyzing trace with hash 300367782, now seen corresponding path program 1 times
[2024-11-27 20:23:21,378 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:23:21,378 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563342873]
[2024-11-27 20:23:21,378 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:23:21,378 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:23:23,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat