./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 02:43:10,428 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 02:43:10,491 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-07 02:43:10,497 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 02:43:10,498 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 02:43:10,524 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 02:43:10,525 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 02:43:10,526 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 02:43:10,526 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 02:43:10,526 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 02:43:10,527 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 02:43:10,527 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 02:43:10,527 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 02:43:10,527 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 02:43:10,527 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 02:43:10,527 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 02:43:10,527 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 02:43:10,527 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 02:43:10,528 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 02:43:10,528 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 02:43:10,529 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 02:43:10,529 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 02:43:10,529 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 78c65132cf8567cb0e48833586d6715b235e5b9872da28c578d017ab5b668f03
[2024-11-07 02:43:10,793 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 02:43:10,807 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 02:43:10,808 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 02:43:10,809 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 02:43:10,809 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 02:43:10,810 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-11-07 02:43:12,001 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 02:43:12,472 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 02:43:12,476 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-11-07 02:43:12,507 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2eea59557/973cb11ac74e41c1b77c27fa267712a8/FLAG72fc886fb
[2024-11-07 02:43:12,609 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2eea59557/973cb11ac74e41c1b77c27fa267712a8
[2024-11-07 02:43:12,612 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 02:43:12,613 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 02:43:12,615 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 02:43:12,615 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 02:43:12,618 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 02:43:12,620 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:43:12" (1/1) ...
[2024-11-07 02:43:12,620 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a9f4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:12, skipping insertion in model container
[2024-11-07 02:43:12,621 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:43:12" (1/1) ...
[2024-11-07 02:43:12,685 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 02:43:12,859 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190]
[2024-11-07 02:43:13,350 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 02:43:13,358 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 02:43:13,366 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-back-serstep.c[1177,1190]
[2024-11-07 02:43:13,644 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 02:43:13,654 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 02:43:13,655 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13 WrapperNode
[2024-11-07 02:43:13,656 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 02:43:13,656 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 02:43:13,656 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 02:43:13,657 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 02:43:13,661 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:13,797 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:15,384 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16561
[2024-11-07 02:43:15,385 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 02:43:15,389 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 02:43:15,390 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 02:43:15,390 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 02:43:15,404 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:15,404 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:16,000 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:16,383 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].
[2024-11-07 02:43:16,384 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:16,384 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:16,889 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:16,958 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:17,018 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:17,071 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:17,253 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 02:43:17,255 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 02:43:17,255 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 02:43:17,255 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 02:43:17,256 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (1/1) ...
[2024-11-07 02:43:17,263 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 02:43:17,274 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 02:43:17,287 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 02:43:17,290 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 02:43:17,306 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 02:43:17,307 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 02:43:17,307 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 02:43:17,307 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 02:43:18,226 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 02:43:18,227 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 02:43:46,255 INFO  L?                        ?]: Removed 8319 outVars from TransFormulas that were not future-live.
[2024-11-07 02:43:46,256 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 02:43:46,326 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 02:43:46,326 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 02:43:46,327 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:43:46 BoogieIcfgContainer
[2024-11-07 02:43:46,327 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 02:43:46,329 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 02:43:46,329 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 02:43:46,332 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 02:43:46,333 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:43:12" (1/3) ...
[2024-11-07 02:43:46,334 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dc764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:43:46, skipping insertion in model container
[2024-11-07 02:43:46,335 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:43:13" (2/3) ...
[2024-11-07 02:43:46,335 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dc764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:43:46, skipping insertion in model container
[2024-11-07 02:43:46,335 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:43:46" (3/3) ...
[2024-11-07 02:43:46,336 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.4.prop1-back-serstep.c
[2024-11-07 02:43:46,347 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 02:43:46,347 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 02:43:46,482 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 02:43:46,491 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;@71c80a9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 02:43:46,492 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 02:43:46,509 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6114 states, 6112 states have (on average 1.5099803664921465) internal successors, (9229), 6113 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:46,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 376
[2024-11-07 02:43:46,530 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:46,531 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:43:46,532 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:46,535 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:46,536 INFO  L85        PathProgramCache]: Analyzing trace with hash 1958296459, now seen corresponding path program 1 times
[2024-11-07 02:43:46,541 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:46,542 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075368770]
[2024-11-07 02:43:46,542 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:46,542 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:43:46,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:43:48,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:43:48,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:43:48,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075368770]
[2024-11-07 02:43:48,117 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075368770] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:43:48,117 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:43:48,118 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:43:48,119 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391936421]
[2024-11-07 02:43:48,119 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:43:48,123 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:43:48,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:43:48,156 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:43:48,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:43:48,172 INFO  L87              Difference]: Start difference. First operand  has 6114 states, 6112 states have (on average 1.5099803664921465) internal successors, (9229), 6113 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:48,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:43:48,440 INFO  L93              Difference]: Finished difference Result 12049 states and 18193 transitions.
[2024-11-07 02:43:48,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:43:48,442 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 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 375
[2024-11-07 02:43:48,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:43:48,481 INFO  L225             Difference]: With dead ends: 12049
[2024-11-07 02:43:48,482 INFO  L226             Difference]: Without dead ends: 6113
[2024-11-07 02:43:48,500 INFO  L431           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
[2024-11-07 02:43:48,503 INFO  L432           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18440 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27663 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 02:43:48,503 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27663 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:43:48,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6113 states.
[2024-11-07 02:43:48,653 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6113 to 6113.
[2024-11-07 02:43:48,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6113 states, 6112 states have (on average 1.5096531413612566) internal successors, (9227), 6112 states have internal predecessors, (9227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:48,682 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6113 states to 6113 states and 9227 transitions.
[2024-11-07 02:43:48,684 INFO  L78                 Accepts]: Start accepts. Automaton has 6113 states and 9227 transitions. Word has length 375
[2024-11-07 02:43:48,684 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:43:48,684 INFO  L471      AbstractCegarLoop]: Abstraction has 6113 states and 9227 transitions.
[2024-11-07 02:43:48,685 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:48,685 INFO  L276                IsEmpty]: Start isEmpty. Operand 6113 states and 9227 transitions.
[2024-11-07 02:43:48,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 377
[2024-11-07 02:43:48,692 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:48,692 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:43:48,693 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 02:43:48,693 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:48,693 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:48,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 579345643, now seen corresponding path program 1 times
[2024-11-07 02:43:48,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:48,694 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250794196]
[2024-11-07 02:43:48,694 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:48,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:43:48,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:43:49,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:43:49,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:43:49,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250794196]
[2024-11-07 02:43:49,288 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250794196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:43:49,288 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:43:49,288 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:43:49,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001489599]
[2024-11-07 02:43:49,288 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:43:49,289 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:43:49,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:43:49,289 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:43:49,289 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:43:49,290 INFO  L87              Difference]: Start difference. First operand 6113 states and 9227 transitions. Second operand  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:49,434 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:43:49,434 INFO  L93              Difference]: Finished difference Result 12050 states and 18191 transitions.
[2024-11-07 02:43:49,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:43:49,435 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 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 376
[2024-11-07 02:43:49,436 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:43:49,453 INFO  L225             Difference]: With dead ends: 12050
[2024-11-07 02:43:49,453 INFO  L226             Difference]: Without dead ends: 6115
[2024-11-07 02:43:49,461 INFO  L431           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
[2024-11-07 02:43:49,462 INFO  L432           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27659 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
[2024-11-07 02:43:49,462 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27659 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:43:49,471 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6115 states.
[2024-11-07 02:43:49,538 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6115 to 6115.
[2024-11-07 02:43:49,553 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6115 states, 6114 states have (on average 1.5094864245992803) internal successors, (9229), 6114 states have internal predecessors, (9229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:49,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 6115 states and 9229 transitions.
[2024-11-07 02:43:49,571 INFO  L78                 Accepts]: Start accepts. Automaton has 6115 states and 9229 transitions. Word has length 376
[2024-11-07 02:43:49,573 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:43:49,573 INFO  L471      AbstractCegarLoop]: Abstraction has 6115 states and 9229 transitions.
[2024-11-07 02:43:49,574 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:49,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 6115 states and 9229 transitions.
[2024-11-07 02:43:49,577 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 378
[2024-11-07 02:43:49,577 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:49,577 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:43:49,577 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 02:43:49,577 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:49,578 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:49,578 INFO  L85        PathProgramCache]: Analyzing trace with hash -318117788, now seen corresponding path program 1 times
[2024-11-07 02:43:49,578 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:49,578 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296146882]
[2024-11-07 02:43:49,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:49,578 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:43:49,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:43:50,186 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:43:50,187 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:43:50,187 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296146882]
[2024-11-07 02:43:50,187 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296146882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:43:50,187 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:43:50,187 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 02:43:50,187 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949057722]
[2024-11-07 02:43:50,187 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:43:50,188 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 02:43:50,189 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:43:50,189 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 02:43:50,189 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 02:43:50,190 INFO  L87              Difference]: Start difference. First operand 6115 states and 9229 transitions. Second operand  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:50,325 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:43:50,326 INFO  L93              Difference]: Finished difference Result 12054 states and 18195 transitions.
[2024-11-07 02:43:50,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 02:43:50,326 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 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 377
[2024-11-07 02:43:50,327 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:43:50,344 INFO  L225             Difference]: With dead ends: 12054
[2024-11-07 02:43:50,344 INFO  L226             Difference]: Without dead ends: 6117
[2024-11-07 02:43:50,351 INFO  L431           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
[2024-11-07 02:43:50,351 INFO  L432           NwaCegarLoop]: 9223 mSDtfsCounter, 0 mSDsluCounter, 18436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27659 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
[2024-11-07 02:43:50,353 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27659 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:43:50,361 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6117 states.
[2024-11-07 02:43:50,506 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117.
[2024-11-07 02:43:50,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6117 states, 6116 states have (on average 1.5093198168737738) internal successors, (9231), 6116 states have internal predecessors, (9231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:50,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 9231 transitions.
[2024-11-07 02:43:50,538 INFO  L78                 Accepts]: Start accepts. Automaton has 6117 states and 9231 transitions. Word has length 377
[2024-11-07 02:43:50,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:43:50,539 INFO  L471      AbstractCegarLoop]: Abstraction has 6117 states and 9231 transitions.
[2024-11-07 02:43:50,540 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:50,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 6117 states and 9231 transitions.
[2024-11-07 02:43:50,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 379
[2024-11-07 02:43:50,545 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:50,546 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:43:50,546 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 02:43:50,546 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:50,547 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:50,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -362827630, now seen corresponding path program 1 times
[2024-11-07 02:43:50,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:50,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019270881]
[2024-11-07 02:43:50,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:50,547 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:43:50,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:43:51,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:43:51,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:43:51,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019270881]
[2024-11-07 02:43:51,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019270881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:43:51,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:43:51,159 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 02:43:51,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067987959]
[2024-11-07 02:43:51,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:43:51,160 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 02:43:51,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:43:51,160 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 02:43:51,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 02:43:51,161 INFO  L87              Difference]: Start difference. First operand 6117 states and 9231 transitions. Second operand  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:51,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:43:51,410 INFO  L93              Difference]: Finished difference Result 17981 states and 27142 transitions.
[2024-11-07 02:43:51,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 02:43:51,411 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 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 378
[2024-11-07 02:43:51,412 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:43:51,449 INFO  L225             Difference]: With dead ends: 17981
[2024-11-07 02:43:51,449 INFO  L226             Difference]: Without dead ends: 12042
[2024-11-07 02:43:51,461 INFO  L431           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
[2024-11-07 02:43:51,462 INFO  L432           NwaCegarLoop]: 9221 mSDtfsCounter, 8839 mSDsluCounter, 27392 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8839 SdHoareTripleChecker+Valid, 36613 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 02:43:51,462 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8839 Valid, 36613 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:43:51,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12042 states.
[2024-11-07 02:43:51,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12042 to 6673.
[2024-11-07 02:43:51,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6673 states, 6672 states have (on average 1.5085431654676258) internal successors, (10065), 6672 states have internal predecessors, (10065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:51,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 10065 transitions.
[2024-11-07 02:43:51,616 INFO  L78                 Accepts]: Start accepts. Automaton has 6673 states and 10065 transitions. Word has length 378
[2024-11-07 02:43:51,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:43:51,617 INFO  L471      AbstractCegarLoop]: Abstraction has 6673 states and 10065 transitions.
[2024-11-07 02:43:51,617 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:51,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 6673 states and 10065 transitions.
[2024-11-07 02:43:51,740 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:43:51,740 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:51,742 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-11-07 02:43:51,742 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 02:43:51,742 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:51,743 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:51,743 INFO  L85        PathProgramCache]: Analyzing trace with hash 686844368, now seen corresponding path program 1 times
[2024-11-07 02:43:51,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:51,744 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370143508]
[2024-11-07 02:43:51,744 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:51,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:43:55,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:43:59,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:43:59,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:43:59,128 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370143508]
[2024-11-07 02:43:59,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370143508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:43:59,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:43:59,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:43:59,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587998381]
[2024-11-07 02:43:59,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:43:59,131 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:43:59,131 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:43:59,134 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:43:59,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:43:59,134 INFO  L87              Difference]: Start difference. First operand 6673 states and 10065 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:59,237 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:43:59,237 INFO  L93              Difference]: Finished difference Result 12613 states and 19032 transitions.
[2024-11-07 02:43:59,238 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:43:59,239 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:43:59,240 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:43:59,254 INFO  L225             Difference]: With dead ends: 12613
[2024-11-07 02:43:59,254 INFO  L226             Difference]: Without dead ends: 6674
[2024-11-07 02:43:59,261 INFO  L431           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
[2024-11-07 02:43:59,263 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:43:59,264 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:43:59,274 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6674 states.
[2024-11-07 02:43:59,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6674.
[2024-11-07 02:43:59,374 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6674 states, 6673 states have (on average 1.5084669563914281) internal successors, (10066), 6673 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:59,388 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 10066 transitions.
[2024-11-07 02:43:59,389 INFO  L78                 Accepts]: Start accepts. Automaton has 6674 states and 10066 transitions. Word has length 3115
[2024-11-07 02:43:59,390 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:43:59,391 INFO  L471      AbstractCegarLoop]: Abstraction has 6674 states and 10066 transitions.
[2024-11-07 02:43:59,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:43:59,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 6674 states and 10066 transitions.
[2024-11-07 02:43:59,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:43:59,589 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:43:59,591 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-07 02:43:59,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 02:43:59,591 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:43:59,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:43:59,593 INFO  L85        PathProgramCache]: Analyzing trace with hash 1732398655, now seen corresponding path program 1 times
[2024-11-07 02:43:59,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:43:59,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398759542]
[2024-11-07 02:43:59,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:43:59,595 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:02,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:44:07,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:44:07,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:44:07,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398759542]
[2024-11-07 02:44:07,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398759542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:44:07,353 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:44:07,353 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:44:07,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578756588]
[2024-11-07 02:44:07,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:44:07,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:44:07,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:44:07,358 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:44:07,358 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:44:07,358 INFO  L87              Difference]: Start difference. First operand 6674 states and 10066 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:07,440 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:44:07,441 INFO  L93              Difference]: Finished difference Result 12615 states and 19034 transitions.
[2024-11-07 02:44:07,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:44:07,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:44:07,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:44:07,454 INFO  L225             Difference]: With dead ends: 12615
[2024-11-07 02:44:07,455 INFO  L226             Difference]: Without dead ends: 6675
[2024-11-07 02:44:07,462 INFO  L431           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
[2024-11-07 02:44:07,465 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:44:07,465 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:44:07,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6675 states.
[2024-11-07 02:44:07,549 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6675.
[2024-11-07 02:44:07,556 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6675 states, 6674 states have (on average 1.5083907701528319) internal successors, (10067), 6674 states have internal predecessors, (10067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:07,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 10067 transitions.
[2024-11-07 02:44:07,565 INFO  L78                 Accepts]: Start accepts. Automaton has 6675 states and 10067 transitions. Word has length 3115
[2024-11-07 02:44:07,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:44:07,566 INFO  L471      AbstractCegarLoop]: Abstraction has 6675 states and 10067 transitions.
[2024-11-07 02:44:07,567 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:07,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 6675 states and 10067 transitions.
[2024-11-07 02:44:07,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:44:07,672 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:44:07,673 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 02:44:07,674 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-07 02:44:07,674 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:44:07,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:44:07,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -226764434, now seen corresponding path program 1 times
[2024-11-07 02:44:07,675 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:44:07,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762078237]
[2024-11-07 02:44:07,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:44:07,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:09,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:44:13,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:44:13,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:44:13,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762078237]
[2024-11-07 02:44:13,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762078237] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:44:13,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:44:13,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:44:13,055 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671080258]
[2024-11-07 02:44:13,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:44:13,057 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:44:13,058 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:44:13,062 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:44:13,063 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:44:13,064 INFO  L87              Difference]: Start difference. First operand 6675 states and 10067 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:13,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:44:13,186 INFO  L93              Difference]: Finished difference Result 12617 states and 19036 transitions.
[2024-11-07 02:44:13,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:44:13,188 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:44:13,189 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:44:13,206 INFO  L225             Difference]: With dead ends: 12617
[2024-11-07 02:44:13,206 INFO  L226             Difference]: Without dead ends: 6676
[2024-11-07 02:44:13,213 INFO  L431           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
[2024-11-07 02:44:13,213 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:44:13,214 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:44:13,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6676 states.
[2024-11-07 02:44:13,285 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6676.
[2024-11-07 02:44:13,293 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6676 states, 6675 states have (on average 1.5083146067415731) internal successors, (10068), 6675 states have internal predecessors, (10068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:13,300 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 10068 transitions.
[2024-11-07 02:44:13,301 INFO  L78                 Accepts]: Start accepts. Automaton has 6676 states and 10068 transitions. Word has length 3115
[2024-11-07 02:44:13,302 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:44:13,302 INFO  L471      AbstractCegarLoop]: Abstraction has 6676 states and 10068 transitions.
[2024-11-07 02:44:13,303 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:13,303 INFO  L276                IsEmpty]: Start isEmpty. Operand 6676 states and 10068 transitions.
[2024-11-07 02:44:13,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:44:13,428 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:44:13,429 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-11-07 02:44:13,430 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-07 02:44:13,430 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:44:13,430 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:44:13,431 INFO  L85        PathProgramCache]: Analyzing trace with hash -493928035, now seen corresponding path program 1 times
[2024-11-07 02:44:13,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:44:13,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108812450]
[2024-11-07 02:44:13,432 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:44:13,432 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:15,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:44:19,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:44:19,263 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:44:19,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108812450]
[2024-11-07 02:44:19,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108812450] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:44:19,264 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:44:19,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:44:19,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827280067]
[2024-11-07 02:44:19,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:44:19,266 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:44:19,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:44:19,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:44:19,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:44:19,268 INFO  L87              Difference]: Start difference. First operand 6676 states and 10068 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:19,328 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:44:19,328 INFO  L93              Difference]: Finished difference Result 12619 states and 19038 transitions.
[2024-11-07 02:44:19,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:44:19,330 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:44:19,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:44:19,340 INFO  L225             Difference]: With dead ends: 12619
[2024-11-07 02:44:19,341 INFO  L226             Difference]: Without dead ends: 6677
[2024-11-07 02:44:19,346 INFO  L431           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
[2024-11-07 02:44:19,347 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:44:19,347 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:44:19,353 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6677 states.
[2024-11-07 02:44:19,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677.
[2024-11-07 02:44:19,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6677 states, 6676 states have (on average 1.5082384661473935) internal successors, (10069), 6676 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:19,428 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 10069 transitions.
[2024-11-07 02:44:19,429 INFO  L78                 Accepts]: Start accepts. Automaton has 6677 states and 10069 transitions. Word has length 3115
[2024-11-07 02:44:19,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:44:19,430 INFO  L471      AbstractCegarLoop]: Abstraction has 6677 states and 10069 transitions.
[2024-11-07 02:44:19,431 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:19,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 6677 states and 10069 transitions.
[2024-11-07 02:44:19,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:44:19,474 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:44:19,476 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-11-07 02:44:19,476 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-07 02:44:19,476 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:44:19,476 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:44:19,477 INFO  L85        PathProgramCache]: Analyzing trace with hash -1043684212, now seen corresponding path program 1 times
[2024-11-07 02:44:19,477 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:44:19,477 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129311996]
[2024-11-07 02:44:19,478 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:44:19,478 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:21,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:44:25,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:44:25,451 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:44:25,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129311996]
[2024-11-07 02:44:25,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129311996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:44:25,451 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:44:25,451 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:44:25,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954304580]
[2024-11-07 02:44:25,451 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:44:25,461 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:44:25,461 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:44:25,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:44:25,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:44:25,468 INFO  L87              Difference]: Start difference. First operand 6677 states and 10069 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:25,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:44:25,617 INFO  L93              Difference]: Finished difference Result 12621 states and 19040 transitions.
[2024-11-07 02:44:25,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:44:25,618 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:44:25,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:44:25,631 INFO  L225             Difference]: With dead ends: 12621
[2024-11-07 02:44:25,631 INFO  L226             Difference]: Without dead ends: 6678
[2024-11-07 02:44:25,637 INFO  L431           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
[2024-11-07 02:44:25,638 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:44:25,638 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:44:25,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6678 states.
[2024-11-07 02:44:25,731 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6678.
[2024-11-07 02:44:25,738 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6678 states, 6677 states have (on average 1.508162348360042) internal successors, (10070), 6677 states have internal predecessors, (10070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:25,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 10070 transitions.
[2024-11-07 02:44:25,746 INFO  L78                 Accepts]: Start accepts. Automaton has 6678 states and 10070 transitions. Word has length 3115
[2024-11-07 02:44:25,747 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:44:25,747 INFO  L471      AbstractCegarLoop]: Abstraction has 6678 states and 10070 transitions.
[2024-11-07 02:44:25,748 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:25,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 6678 states and 10070 transitions.
[2024-11-07 02:44:25,792 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:44:25,793 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:44:25,794 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-11-07 02:44:25,794 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-07 02:44:25,794 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:44:25,797 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:44:25,799 INFO  L85        PathProgramCache]: Analyzing trace with hash 355339835, now seen corresponding path program 1 times
[2024-11-07 02:44:25,799 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:44:25,799 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101255780]
[2024-11-07 02:44:25,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:44:25,799 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:27,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 02:44:30,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 02:44:30,892 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 02:44:30,892 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101255780]
[2024-11-07 02:44:30,892 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101255780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 02:44:30,892 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 02:44:30,892 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 02:44:30,895 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996046062]
[2024-11-07 02:44:30,896 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 02:44:30,898 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 02:44:30,898 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 02:44:30,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 02:44:30,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 02:44:30,900 INFO  L87              Difference]: Start difference. First operand 6678 states and 10070 transitions. Second operand  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:30,961 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 02:44:30,962 INFO  L93              Difference]: Finished difference Result 12623 states and 19042 transitions.
[2024-11-07 02:44:30,962 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 02:44:30,963 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 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 3115
[2024-11-07 02:44:30,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 02:44:30,972 INFO  L225             Difference]: With dead ends: 12623
[2024-11-07 02:44:30,972 INFO  L226             Difference]: Without dead ends: 6679
[2024-11-07 02:44:30,978 INFO  L431           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
[2024-11-07 02:44:30,978 INFO  L432           NwaCegarLoop]: 9224 mSDtfsCounter, 0 mSDsluCounter, 9218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18442 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
[2024-11-07 02:44:30,978 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18442 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 02:44:30,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6679 states.
[2024-11-07 02:44:31,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6679.
[2024-11-07 02:44:31,032 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6679 states, 6678 states have (on average 1.5080862533692723) internal successors, (10071), 6678 states have internal predecessors, (10071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:31,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 10071 transitions.
[2024-11-07 02:44:31,038 INFO  L78                 Accepts]: Start accepts. Automaton has 6679 states and 10071 transitions. Word has length 3115
[2024-11-07 02:44:31,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 02:44:31,040 INFO  L471      AbstractCegarLoop]: Abstraction has 6679 states and 10071 transitions.
[2024-11-07 02:44:31,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1038.3333333333333) internal successors, (3115), 3 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 02:44:31,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 6679 states and 10071 transitions.
[2024-11-07 02:44:31,081 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3116
[2024-11-07 02:44:31,082 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 02:44:31,083 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-07 02:44:31,083 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-07 02:44:31,083 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 02:44:31,084 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 02:44:31,085 INFO  L85        PathProgramCache]: Analyzing trace with hash -193755286, now seen corresponding path program 1 times
[2024-11-07 02:44:31,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 02:44:31,086 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932577784]
[2024-11-07 02:44:31,086 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 02:44:31,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 02:44:32,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat