./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a2cf498326690bdbcaf7dd6a1a5eae1e3d6b717f0e68f16be3b8746d90e7c85
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 02:33:27,677 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-28 02:33:27,807 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-28 02:33:27,824 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 02:33:27,825 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 02:33:27,878 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 02:33:27,879 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 02:33:27,879 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 02:33:27,879 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 02:33:27,880 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-28 02:33:27,880 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 02:33:27,880 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 02:33:27,881 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 02:33:27,881 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-28 02:33:27,881 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-28 02:33:27,882 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 02:33:27,882 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-28 02:33:27,882 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-28 02:33:27,882 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-28 02:33:27,882 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 02:33:27,883 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 02:33:27,883 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 02:33:27,883 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-28 02:33:27,883 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 02:33:27,883 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-28 02:33:27,883 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 02:33:27,884 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 02:33:27,884 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 02:33:27,885 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 02:33:27,885 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 02:33:27,885 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 02:33:27,886 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 02:33:27,886 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-28 02:33:27,886 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 02:33:27,886 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-28 02:33:27,886 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 02:33:27,887 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 02:33:27,887 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 02:33:27,887 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 02:33:27,887 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 02:33:27,887 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2cf498326690bdbcaf7dd6a1a5eae1e3d6b717f0e68f16be3b8746d90e7c85
[2024-11-28 02:33:28,246 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 02:33:28,257 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 02:33:28,260 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 02:33:28,262 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-28 02:33:28,263 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-28 02:33:28,264 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c
[2024-11-28 02:33:32,240 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/data/8f471ad62/0eb03c4f4dd6445d89db25805f0a6f69/FLAGbd99d370f
[2024-11-28 02:33:33,288 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-28 02:33:33,289 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c
[2024-11-28 02:33:33,324 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/data/8f471ad62/0eb03c4f4dd6445d89db25805f0a6f69/FLAGbd99d370f
[2024-11-28 02:33:33,344 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/data/8f471ad62/0eb03c4f4dd6445d89db25805f0a6f69
[2024-11-28 02:33:33,348 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 02:33:33,350 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 02:33:33,353 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 02:33:33,353 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 02:33:33,358 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 02:33:33,360 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:33" (1/1) ...
[2024-11-28 02:33:33,361 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dc517e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:33, skipping insertion in model container
[2024-11-28 02:33:33,361 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:33" (1/1) ...
[2024-11-28 02:33:33,517 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-28 02:33:33,937 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c[1177,1190]
[2024-11-28 02:33:35,287 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 02:33:35,302 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-28 02:33:35,318 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.6.prop1-back-serstep.c[1177,1190]
[2024-11-28 02:33:36,113 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 02:33:36,136 INFO  L204         MainTranslator]: Completed translation
[2024-11-28 02:33:36,138 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36 WrapperNode
[2024-11-28 02:33:36,138 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 02:33:36,140 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 02:33:36,140 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 02:33:36,141 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 02:33:36,154 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:36,290 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:38,551 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20066
[2024-11-28 02:33:38,552 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 02:33:38,553 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 02:33:38,553 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 02:33:38,553 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 02:33:38,567 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:38,567 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:39,059 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:39,722 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].
[2024-11-28 02:33:39,722 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:39,723 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:40,396 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:40,460 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:40,607 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:40,704 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:40,808 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:41,368 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 02:33:41,369 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 02:33:41,369 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 02:33:41,370 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-28 02:33:41,374 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (1/1) ...
[2024-11-28 02:33:41,387 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 02:33:41,407 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 02:33:41,425 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 02:33:41,430 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7d0e08-2a0a-42cc-969c-ed37b1f799d4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 02:33:41,454 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 02:33:41,454 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-28 02:33:41,454 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 02:33:41,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 02:33:42,954 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-28 02:33:42,957 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 02:34:41,649 INFO  L?                        ?]: Removed 10068 outVars from TransFormulas that were not future-live.
[2024-11-28 02:34:41,649 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-28 02:34:41,802 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 02:34:41,802 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-28 02:34:41,802 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:41 BoogieIcfgContainer
[2024-11-28 02:34:41,803 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 02:34:41,807 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 02:34:41,807 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 02:34:41,816 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-28 02:34:41,816 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:33:33" (1/3) ...
[2024-11-28 02:34:41,818 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655e355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:41, skipping insertion in model container
[2024-11-28 02:34:41,818 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:36" (2/3) ...
[2024-11-28 02:34:41,819 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655e355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:41, skipping insertion in model container
[2024-11-28 02:34:41,820 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:41" (3/3) ...
[2024-11-28 02:34:41,821 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.6.prop1-back-serstep.c
[2024-11-28 02:34:41,843 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 02:34:41,846 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.collision.6.prop1-back-serstep.c that has 1 procedures, 7421 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-28 02:34:42,114 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 02:34:42,132 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;@69d9d87d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 02:34:42,133 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 02:34:42,167 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7421 states, 7419 states have (on average 1.5101765736622186) internal successors, (11204), 7420 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:42,213 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 446
[2024-11-28 02:34:42,213 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:34:42,214 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 02:34:42,215 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:34:42,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:34:42,221 INFO  L85        PathProgramCache]: Analyzing trace with hash 502246129, now seen corresponding path program 1 times
[2024-11-28 02:34:42,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:34:42,231 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123353411]
[2024-11-28 02:34:42,231 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:34:42,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:34:43,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:34:46,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:34:46,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:34:46,629 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123353411]
[2024-11-28 02:34:46,630 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123353411] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:34:46,630 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:34:46,631 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 02:34:46,635 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814053587]
[2024-11-28 02:34:46,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:34:46,644 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 02:34:46,645 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:34:46,678 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 02:34:46,679 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 02:34:46,704 INFO  L87              Difference]: Start difference. First operand  has 7421 states, 7419 states have (on average 1.5101765736622186) internal successors, (11204), 7420 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:56,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:34:56,904 INFO  L93              Difference]: Finished difference Result 21693 states and 32764 transitions.
[2024-11-28 02:34:56,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 02:34:56,906 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 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 445
[2024-11-28 02:34:56,908 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:34:56,981 INFO  L225             Difference]: With dead ends: 21693
[2024-11-28 02:34:56,981 INFO  L226             Difference]: Without dead ends: 14482
[2024-11-28 02:34:56,999 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 02:34:57,002 INFO  L435           NwaCegarLoop]: 9294 mSDtfsCounter, 10691 mSDsluCounter, 27744 mSDsCounter, 0 mSdLazyCounter, 7449 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10691 SdHoareTripleChecker+Valid, 37038 SdHoareTripleChecker+Invalid, 7450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time
[2024-11-28 02:34:57,003 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10691 Valid, 37038 Invalid, 7450 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 7449 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time]
[2024-11-28 02:34:57,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14482 states.
[2024-11-28 02:34:57,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14482 to 7793.
[2024-11-28 02:34:57,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7793 states, 7792 states have (on average 1.5093685831622177) internal successors, (11761), 7792 states have internal predecessors, (11761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:57,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7793 states to 7793 states and 11761 transitions.
[2024-11-28 02:34:57,544 INFO  L78                 Accepts]: Start accepts. Automaton has 7793 states and 11761 transitions. Word has length 445
[2024-11-28 02:34:57,547 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:34:57,550 INFO  L471      AbstractCegarLoop]: Abstraction has 7793 states and 11761 transitions.
[2024-11-28 02:34:57,550 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:57,550 INFO  L276                IsEmpty]: Start isEmpty. Operand 7793 states and 11761 transitions.
[2024-11-28 02:34:57,566 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 448
[2024-11-28 02:34:57,566 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:34:57,567 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 02:34:57,567 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-28 02:34:57,568 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:34:57,569 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:34:57,569 INFO  L85        PathProgramCache]: Analyzing trace with hash 979014574, now seen corresponding path program 1 times
[2024-11-28 02:34:57,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:34:57,570 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443436451]
[2024-11-28 02:34:57,570 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:34:57,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:34:57,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:34:59,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:34:59,565 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:34:59,565 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443436451]
[2024-11-28 02:34:59,565 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443436451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:34:59,565 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:34:59,566 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 02:34:59,566 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903375471]
[2024-11-28 02:34:59,566 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:34:59,568 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 02:34:59,569 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:34:59,570 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 02:34:59,570 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 02:34:59,571 INFO  L87              Difference]: Start difference. First operand 7793 states and 11761 transitions. Second operand  has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:59,753 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:34:59,754 INFO  L93              Difference]: Finished difference Result 7797 states and 11765 transitions.
[2024-11-28 02:34:59,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 02:34:59,755 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 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 447
[2024-11-28 02:34:59,756 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:34:59,786 INFO  L225             Difference]: With dead ends: 7797
[2024-11-28 02:34:59,786 INFO  L226             Difference]: Without dead ends: 7795
[2024-11-28 02:34:59,790 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 02:34:59,793 INFO  L435           NwaCegarLoop]: 11198 mSDtfsCounter, 0 mSDsluCounter, 22390 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33588 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 02:34:59,794 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33588 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:34:59,811 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7795 states.
[2024-11-28 02:34:59,947 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7795 to 7795.
[2024-11-28 02:34:59,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7795 states, 7794 states have (on average 1.5092378752886837) internal successors, (11763), 7794 states have internal predecessors, (11763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:34:59,997 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7795 states to 7795 states and 11763 transitions.
[2024-11-28 02:34:59,997 INFO  L78                 Accepts]: Start accepts. Automaton has 7795 states and 11763 transitions. Word has length 447
[2024-11-28 02:34:59,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:00,000 INFO  L471      AbstractCegarLoop]: Abstraction has 7795 states and 11763 transitions.
[2024-11-28 02:35:00,001 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:00,002 INFO  L276                IsEmpty]: Start isEmpty. Operand 7795 states and 11763 transitions.
[2024-11-28 02:35:00,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 449
[2024-11-28 02:35:00,019 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:00,020 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 02:35:00,020 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-28 02:35:00,020 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:00,025 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:00,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 286378735, now seen corresponding path program 1 times
[2024-11-28 02:35:00,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:00,029 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295055391]
[2024-11-28 02:35:00,029 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:00,029 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:35:00,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:35:01,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:35:01,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:35:01,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295055391]
[2024-11-28 02:35:01,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295055391] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:35:01,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:35:01,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 02:35:01,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495390917]
[2024-11-28 02:35:01,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:35:01,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 02:35:01,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:35:01,361 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 02:35:01,362 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 02:35:01,363 INFO  L87              Difference]: Start difference. First operand 7795 states and 11763 transitions. Second operand  has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:01,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:35:01,543 INFO  L93              Difference]: Finished difference Result 15007 states and 22654 transitions.
[2024-11-28 02:35:01,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 02:35:01,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 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 448
[2024-11-28 02:35:01,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:35:01,595 INFO  L225             Difference]: With dead ends: 15007
[2024-11-28 02:35:01,595 INFO  L226             Difference]: Without dead ends: 7797
[2024-11-28 02:35:01,605 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 02:35:01,606 INFO  L435           NwaCegarLoop]: 11198 mSDtfsCounter, 0 mSDsluCounter, 22386 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33584 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
[2024-11-28 02:35:01,608 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33584 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:35:01,623 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7797 states.
[2024-11-28 02:35:01,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7797 to 7797.
[2024-11-28 02:35:01,770 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7797 states, 7796 states have (on average 1.50910723447922) internal successors, (11765), 7796 states have internal predecessors, (11765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:01,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7797 states to 7797 states and 11765 transitions.
[2024-11-28 02:35:01,795 INFO  L78                 Accepts]: Start accepts. Automaton has 7797 states and 11765 transitions. Word has length 448
[2024-11-28 02:35:01,796 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:01,796 INFO  L471      AbstractCegarLoop]: Abstraction has 7797 states and 11765 transitions.
[2024-11-28 02:35:01,797 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:01,797 INFO  L276                IsEmpty]: Start isEmpty. Operand 7797 states and 11765 transitions.
[2024-11-28 02:35:01,806 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 450
[2024-11-28 02:35:01,806 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:01,806 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 02:35:01,807 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-28 02:35:01,807 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:01,807 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:01,808 INFO  L85        PathProgramCache]: Analyzing trace with hash -810156889, now seen corresponding path program 1 times
[2024-11-28 02:35:01,808 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:01,808 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054866384]
[2024-11-28 02:35:01,808 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:01,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:35:02,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:35:03,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:35:03,149 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:35:03,149 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054866384]
[2024-11-28 02:35:03,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054866384] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:35:03,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:35:03,150 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 02:35:03,150 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810567096]
[2024-11-28 02:35:03,150 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:35:03,151 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 02:35:03,151 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:35:03,152 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 02:35:03,152 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 02:35:03,152 INFO  L87              Difference]: Start difference. First operand 7797 states and 11765 transitions. Second operand  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:03,527 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:35:03,527 INFO  L93              Difference]: Finished difference Result 21832 states and 32963 transitions.
[2024-11-28 02:35:03,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 02:35:03,529 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 0 states have call successors, (0), 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 449
[2024-11-28 02:35:03,530 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:35:03,569 INFO  L225             Difference]: With dead ends: 21832
[2024-11-28 02:35:03,569 INFO  L226             Difference]: Without dead ends: 14620
[2024-11-28 02:35:03,582 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 02:35:03,585 INFO  L435           NwaCegarLoop]: 11196 mSDtfsCounter, 10741 mSDsluCounter, 33269 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10741 SdHoareTripleChecker+Valid, 44465 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 02:35:03,587 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10741 Valid, 44465 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 02:35:03,617 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14620 states.
[2024-11-28 02:35:03,792 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14620 to 8088.
[2024-11-28 02:35:03,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8088 states, 8087 states have (on average 1.5085940398169901) internal successors, (12200), 8087 states have internal predecessors, (12200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:03,832 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8088 states to 8088 states and 12200 transitions.
[2024-11-28 02:35:03,832 INFO  L78                 Accepts]: Start accepts. Automaton has 8088 states and 12200 transitions. Word has length 449
[2024-11-28 02:35:03,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:03,834 INFO  L471      AbstractCegarLoop]: Abstraction has 8088 states and 12200 transitions.
[2024-11-28 02:35:03,834 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:03,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 8088 states and 12200 transitions.
[2024-11-28 02:35:04,081 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3771
[2024-11-28 02:35:04,082 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:04,085 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-28 02:35:04,086 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-28 02:35:04,086 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:04,089 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:04,092 INFO  L85        PathProgramCache]: Analyzing trace with hash -41763428, now seen corresponding path program 1 times
[2024-11-28 02:35:04,092 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:04,092 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532742156]
[2024-11-28 02:35:04,093 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:04,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:35:14,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:35:24,615 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:35:24,615 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:35:24,615 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532742156]
[2024-11-28 02:35:24,616 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532742156] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:35:24,616 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:35:24,617 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 02:35:24,617 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618970408]
[2024-11-28 02:35:24,617 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:35:24,624 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 02:35:24,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:35:24,629 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 02:35:24,629 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:24,632 INFO  L87              Difference]: Start difference. First operand 8088 states and 12200 transitions. Second operand  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:24,781 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:35:24,782 INFO  L93              Difference]: Finished difference Result 15301 states and 23092 transitions.
[2024-11-28 02:35:24,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 02:35:24,784 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 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 3770
[2024-11-28 02:35:24,786 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:35:24,806 INFO  L225             Difference]: With dead ends: 15301
[2024-11-28 02:35:24,806 INFO  L226             Difference]: Without dead ends: 8089
[2024-11-28 02:35:24,818 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:24,819 INFO  L435           NwaCegarLoop]: 11199 mSDtfsCounter, 0 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22392 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
[2024-11-28 02:35:24,819 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22392 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:35:24,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8089 states.
[2024-11-28 02:35:25,039 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8089 to 8089.
[2024-11-28 02:35:25,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8089 states, 8088 states have (on average 1.5085311572700297) internal successors, (12201), 8088 states have internal predecessors, (12201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:25,076 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8089 states to 8089 states and 12201 transitions.
[2024-11-28 02:35:25,076 INFO  L78                 Accepts]: Start accepts. Automaton has 8089 states and 12201 transitions. Word has length 3770
[2024-11-28 02:35:25,078 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:25,078 INFO  L471      AbstractCegarLoop]: Abstraction has 8089 states and 12201 transitions.
[2024-11-28 02:35:25,080 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:25,080 INFO  L276                IsEmpty]: Start isEmpty. Operand 8089 states and 12201 transitions.
[2024-11-28 02:35:25,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3771
[2024-11-28 02:35:25,216 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:25,218 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-11-28 02:35:25,219 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-28 02:35:25,219 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:25,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:25,224 INFO  L85        PathProgramCache]: Analyzing trace with hash 853715659, now seen corresponding path program 1 times
[2024-11-28 02:35:25,224 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:25,224 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776199137]
[2024-11-28 02:35:25,226 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:25,226 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:35:31,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:35:42,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:35:42,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:35:42,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776199137]
[2024-11-28 02:35:42,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776199137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:35:42,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:35:42,259 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 02:35:42,259 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427381640]
[2024-11-28 02:35:42,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:35:42,266 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 02:35:42,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:35:42,272 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 02:35:42,272 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:42,277 INFO  L87              Difference]: Start difference. First operand 8089 states and 12201 transitions. Second operand  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:42,549 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:35:42,553 INFO  L93              Difference]: Finished difference Result 15303 states and 23094 transitions.
[2024-11-28 02:35:42,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 02:35:42,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 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 3770
[2024-11-28 02:35:42,567 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:35:42,614 INFO  L225             Difference]: With dead ends: 15303
[2024-11-28 02:35:42,615 INFO  L226             Difference]: Without dead ends: 8090
[2024-11-28 02:35:42,635 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:42,636 INFO  L435           NwaCegarLoop]: 11199 mSDtfsCounter, 0 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22392 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 02:35:42,636 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22392 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:35:42,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8090 states.
[2024-11-28 02:35:42,954 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8090 to 8090.
[2024-11-28 02:35:42,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8090 states, 8089 states have (on average 1.508468290270738) internal successors, (12202), 8089 states have internal predecessors, (12202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:43,005 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8090 states to 8090 states and 12202 transitions.
[2024-11-28 02:35:43,005 INFO  L78                 Accepts]: Start accepts. Automaton has 8090 states and 12202 transitions. Word has length 3770
[2024-11-28 02:35:43,008 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:43,009 INFO  L471      AbstractCegarLoop]: Abstraction has 8090 states and 12202 transitions.
[2024-11-28 02:35:43,011 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:43,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 8090 states and 12202 transitions.
[2024-11-28 02:35:43,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3771
[2024-11-28 02:35:43,428 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:43,431 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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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]
[2024-11-28 02:35:43,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-28 02:35:43,436 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:43,438 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:43,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 1978467836, now seen corresponding path program 1 times
[2024-11-28 02:35:43,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:43,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16806406]
[2024-11-28 02:35:43,446 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:43,450 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:35:49,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:35:58,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:35:58,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:35:58,176 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16806406]
[2024-11-28 02:35:58,176 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16806406] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:35:58,176 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:35:58,177 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 02:35:58,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142286739]
[2024-11-28 02:35:58,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:35:58,181 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 02:35:58,182 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:35:58,185 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 02:35:58,186 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:58,187 INFO  L87              Difference]: Start difference. First operand 8090 states and 12202 transitions. Second operand  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:58,319 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:35:58,320 INFO  L93              Difference]: Finished difference Result 15305 states and 23096 transitions.
[2024-11-28 02:35:58,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 02:35:58,323 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 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 3770
[2024-11-28 02:35:58,328 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:35:58,351 INFO  L225             Difference]: With dead ends: 15305
[2024-11-28 02:35:58,352 INFO  L226             Difference]: Without dead ends: 8091
[2024-11-28 02:35:58,362 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:35:58,363 INFO  L435           NwaCegarLoop]: 11199 mSDtfsCounter, 0 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22392 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
[2024-11-28 02:35:58,364 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22392 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:35:58,379 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8091 states.
[2024-11-28 02:35:58,489 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8091.
[2024-11-28 02:35:58,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8091 states, 8090 states have (on average 1.5084054388133499) internal successors, (12203), 8090 states have internal predecessors, (12203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:58,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 12203 transitions.
[2024-11-28 02:35:58,521 INFO  L78                 Accepts]: Start accepts. Automaton has 8091 states and 12203 transitions. Word has length 3770
[2024-11-28 02:35:58,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:35:58,526 INFO  L471      AbstractCegarLoop]: Abstraction has 8091 states and 12203 transitions.
[2024-11-28 02:35:58,528 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:35:58,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 8091 states and 12203 transitions.
[2024-11-28 02:35:58,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3771
[2024-11-28 02:35:58,910 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:35:58,912 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-28 02:35:58,913 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-28 02:35:58,913 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:35:58,914 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:35:58,917 INFO  L85        PathProgramCache]: Analyzing trace with hash 1422901549, now seen corresponding path program 1 times
[2024-11-28 02:35:58,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:35:58,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315132132]
[2024-11-28 02:35:58,919 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:35:58,920 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:36:05,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:36:13,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:36:13,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:36:13,496 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315132132]
[2024-11-28 02:36:13,496 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315132132] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:36:13,496 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:36:13,497 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 02:36:13,497 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360161816]
[2024-11-28 02:36:13,497 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:36:13,504 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 02:36:13,504 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:36:13,510 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 02:36:13,511 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:36:13,513 INFO  L87              Difference]: Start difference. First operand 8091 states and 12203 transitions. Second operand  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:13,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:36:13,730 INFO  L93              Difference]: Finished difference Result 15307 states and 23098 transitions.
[2024-11-28 02:36:13,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 02:36:13,733 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 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 3770
[2024-11-28 02:36:13,737 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:36:13,759 INFO  L225             Difference]: With dead ends: 15307
[2024-11-28 02:36:13,759 INFO  L226             Difference]: Without dead ends: 8092
[2024-11-28 02:36:13,768 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:36:13,769 INFO  L435           NwaCegarLoop]: 11199 mSDtfsCounter, 0 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22392 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
[2024-11-28 02:36:13,770 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22392 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:36:13,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8092 states.
[2024-11-28 02:36:13,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8092 to 8092.
[2024-11-28 02:36:13,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8092 states, 8091 states have (on average 1.5083426028921023) internal successors, (12204), 8091 states have internal predecessors, (12204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:13,991 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8092 states to 8092 states and 12204 transitions.
[2024-11-28 02:36:13,991 INFO  L78                 Accepts]: Start accepts. Automaton has 8092 states and 12204 transitions. Word has length 3770
[2024-11-28 02:36:13,994 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:36:13,995 INFO  L471      AbstractCegarLoop]: Abstraction has 8092 states and 12204 transitions.
[2024-11-28 02:36:13,997 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:13,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 8092 states and 12204 transitions.
[2024-11-28 02:36:14,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3771
[2024-11-28 02:36:14,285 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 02:36:14,287 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-28 02:36:14,288 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-28 02:36:14,288 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 02:36:14,290 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 02:36:14,293 INFO  L85        PathProgramCache]: Analyzing trace with hash 1407975902, now seen corresponding path program 1 times
[2024-11-28 02:36:14,293 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 02:36:14,293 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195429026]
[2024-11-28 02:36:14,295 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 02:36:14,295 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 02:36:20,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 02:36:27,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 02:36:27,121 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 02:36:27,121 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195429026]
[2024-11-28 02:36:27,121 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195429026] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 02:36:27,121 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 02:36:27,122 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 02:36:27,122 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328962099]
[2024-11-28 02:36:27,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 02:36:27,125 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 02:36:27,125 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 02:36:27,128 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 02:36:27,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:36:27,130 INFO  L87              Difference]: Start difference. First operand 8092 states and 12204 transitions. Second operand  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:27,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 02:36:27,209 INFO  L93              Difference]: Finished difference Result 15309 states and 23100 transitions.
[2024-11-28 02:36:27,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 02:36:27,210 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 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 3770
[2024-11-28 02:36:27,213 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 02:36:27,224 INFO  L225             Difference]: With dead ends: 15309
[2024-11-28 02:36:27,224 INFO  L226             Difference]: Without dead ends: 8093
[2024-11-28 02:36:27,231 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 02:36:27,232 INFO  L435           NwaCegarLoop]: 11199 mSDtfsCounter, 0 mSDsluCounter, 11193 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22392 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
[2024-11-28 02:36:27,236 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22392 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 02:36:27,245 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8093 states.
[2024-11-28 02:36:27,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8093 to 8093.
[2024-11-28 02:36:27,374 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8093 states, 8092 states have (on average 1.5082797825012357) internal successors, (12205), 8092 states have internal predecessors, (12205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:27,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8093 states to 8093 states and 12205 transitions.
[2024-11-28 02:36:27,391 INFO  L78                 Accepts]: Start accepts. Automaton has 8093 states and 12205 transitions. Word has length 3770
[2024-11-28 02:36:27,393 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 02:36:27,393 INFO  L471      AbstractCegarLoop]: Abstraction has 8093 states and 12205 transitions.
[2024-11-28 02:36:27,394 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1256.6666666666667) internal successors, (3770), 3 states have internal predecessors, (3770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 02:36:27,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 8093 states and 12205 transitions.