./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.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_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/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_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/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_21c67c97-e465-4266-8917-815b08556e12/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 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 03:28:36,644 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-28 03:28:36,740 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-28 03:28:36,745 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 03:28:36,745 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 03:28:36,780 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 03:28:36,780 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 03:28:36,781 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 03:28:36,781 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 03:28:36,781 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-28 03:28:36,781 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 03:28:36,781 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 03:28:36,781 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 03:28:36,782 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-28 03:28:36,782 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-28 03:28:36,782 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 03:28:36,782 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-28 03:28:36,782 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-28 03:28:36,785 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-28 03:28:36,785 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 03:28:36,785 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 03:28:36,785 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 03:28:36,786 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-28 03:28:36,786 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 03:28:36,786 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-28 03:28:36,786 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 03:28:36,786 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 03:28:36,787 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 03:28:36,787 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 03:28:36,787 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:28:36,787 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 03:28:36,787 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-28 03:28:36,788 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 03:28:36,788 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-28 03:28:36,788 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:28:36,789 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 03:28:36,789 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 03:28:36,790 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 03:28:36,790 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 03:28:36,790 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_21c67c97-e465-4266-8917-815b08556e12/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 -> 4266779bbe6f4bb49ffaaab7243596bd26eeda5dc295f430486a067412960e81
[2024-11-28 03:28:37,098 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 03:28:37,107 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 03:28:37,109 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 03:28:37,111 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-28 03:28:37,111 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-28 03:28:37,112 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-28 03:28:40,144 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/data/6464f8499/7671c75dce094172bffb4268f7b3c130/FLAG2a6121bec
[2024-11-28 03:28:40,643 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-28 03:28:40,644 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-28 03:28:40,678 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/data/6464f8499/7671c75dce094172bffb4268f7b3c130/FLAG2a6121bec
[2024-11-28 03:28:40,704 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/data/6464f8499/7671c75dce094172bffb4268f7b3c130
[2024-11-28 03:28:40,707 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 03:28:40,709 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 03:28:40,710 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 03:28:40,710 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 03:28:40,716 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 03:28:40,717 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:40" (1/1) ...
[2024-11-28 03:28:40,718 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bacff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:40, skipping insertion in model container
[2024-11-28 03:28:40,718 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:40" (1/1) ...
[2024-11-28 03:28:40,833 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-28 03:28:41,087 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_21c67c97-e465-4266-8917-815b08556e12/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194]
[2024-11-28 03:28:42,000 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 03:28:42,010 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-28 03:28:42,022 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_21c67c97-e465-4266-8917-815b08556e12/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c[1181,1194]
[2024-11-28 03:28:42,625 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-28 03:28:42,643 INFO  L204         MainTranslator]: Completed translation
[2024-11-28 03:28:42,644 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42 WrapperNode
[2024-11-28 03:28:42,644 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 03:28:42,645 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 03:28:42,645 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 03:28:42,646 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 03:28:42,655 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:42,796 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:44,530 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18688
[2024-11-28 03:28:44,531 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 03:28:44,532 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 03:28:44,534 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 03:28:44,534 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 03:28:44,545 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:44,546 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:45,041 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:45,475 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 03:28:45,476 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:45,476 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:46,315 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:46,385 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:46,596 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:46,699 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:46,765 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:47,003 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 03:28:47,004 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 03:28:47,004 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 03:28:47,005 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-28 03:28:47,006 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (1/1) ...
[2024-11-28 03:28:47,011 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 03:28:47,025 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 03:28:47,040 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 03:28:47,043 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c67c97-e465-4266-8917-815b08556e12/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 03:28:47,063 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 03:28:47,063 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-28 03:28:47,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 03:28:47,064 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 03:28:48,219 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-28 03:28:48,220 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 03:29:24,124 INFO  L?                        ?]: Removed 9900 outVars from TransFormulas that were not future-live.
[2024-11-28 03:29:24,124 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-28 03:29:24,266 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 03:29:24,266 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-28 03:29:24,266 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:24 BoogieIcfgContainer
[2024-11-28 03:29:24,267 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 03:29:24,269 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 03:29:24,270 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 03:29:24,274 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-28 03:29:24,275 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:28:40" (1/3) ...
[2024-11-28 03:29:24,276 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198fe68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:29:24, skipping insertion in model container
[2024-11-28 03:29:24,277 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:42" (2/3) ...
[2024-11-28 03:29:24,277 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198fe68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:29:24, skipping insertion in model container
[2024-11-28 03:29:24,277 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:29:24" (3/3) ...
[2024-11-28 03:29:24,279 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c
[2024-11-28 03:29:24,295 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 03:29:24,298 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.driving_phils.4.prop1-back-serstep.c that has 1 procedures, 6492 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-28 03:29:24,501 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 03:29:24,517 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;@1c091b03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 03:29:24,517 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 03:29:24,540 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6492 states, 6490 states have (on average 1.5052388289676426) internal successors, (9769), 6491 states have internal predecessors, (9769), 0 states have call successors, (0), 0 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 03:29:24,575 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 432
[2024-11-28 03:29:24,576 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:24,577 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]
[2024-11-28 03:29:24,577 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:24,583 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:24,584 INFO  L85        PathProgramCache]: Analyzing trace with hash -1321226197, now seen corresponding path program 1 times
[2024-11-28 03:29:24,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:24,592 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789495145]
[2024-11-28 03:29:24,593 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:24,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:25,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:27,514 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 03:29:27,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:27,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789495145]
[2024-11-28 03:29:27,515 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789495145] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:27,515 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:27,517 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:29:27,518 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663210670]
[2024-11-28 03:29:27,519 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:27,524 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:29:27,526 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:27,550 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:29:27,550 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:29:27,567 INFO  L87              Difference]: Start difference. First operand  has 6492 states, 6490 states have (on average 1.5052388289676426) internal successors, (9769), 6491 states have internal predecessors, (9769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 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 03:29:28,067 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:28,068 INFO  L93              Difference]: Finished difference Result 12773 states and 19225 transitions.
[2024-11-28 03:29:28,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:29:28,070 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 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 431
[2024-11-28 03:29:28,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:28,129 INFO  L225             Difference]: With dead ends: 12773
[2024-11-28 03:29:28,129 INFO  L226             Difference]: Without dead ends: 6491
[2024-11-28 03:29:28,142 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 03:29:28,146 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19520 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29283 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:29:28,148 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29283 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:29:28,177 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6491 states.
[2024-11-28 03:29:28,383 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6491 to 6491.
[2024-11-28 03:29:28,397 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6491 states, 6490 states have (on average 1.5049306625577812) internal successors, (9767), 6490 states have internal predecessors, (9767), 0 states have call successors, (0), 0 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 03:29:28,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6491 states to 6491 states and 9767 transitions.
[2024-11-28 03:29:28,432 INFO  L78                 Accepts]: Start accepts. Automaton has 6491 states and 9767 transitions. Word has length 431
[2024-11-28 03:29:28,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:28,434 INFO  L471      AbstractCegarLoop]: Abstraction has 6491 states and 9767 transitions.
[2024-11-28 03:29:28,435 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 0 states have call successors, (0), 0 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 03:29:28,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 6491 states and 9767 transitions.
[2024-11-28 03:29:28,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 433
[2024-11-28 03:29:28,447 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:28,447 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]
[2024-11-28 03:29:28,447 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-28 03:29:28,448 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:28,449 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:28,449 INFO  L85        PathProgramCache]: Analyzing trace with hash 1993358775, now seen corresponding path program 1 times
[2024-11-28 03:29:28,449 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:28,449 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902704820]
[2024-11-28 03:29:28,449 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:28,450 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:28,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:29,713 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 03:29:29,713 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:29,716 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902704820]
[2024-11-28 03:29:29,716 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902704820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:29,716 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:29,716 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:29:29,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067823949]
[2024-11-28 03:29:29,717 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:29,718 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:29:29,718 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:29,719 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:29:29,719 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:29:29,719 INFO  L87              Difference]: Start difference. First operand 6491 states and 9767 transitions. Second operand  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 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 03:29:30,013 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:30,014 INFO  L93              Difference]: Finished difference Result 12774 states and 19223 transitions.
[2024-11-28 03:29:30,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:29:30,015 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 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 432
[2024-11-28 03:29:30,016 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:30,038 INFO  L225             Difference]: With dead ends: 12774
[2024-11-28 03:29:30,039 INFO  L226             Difference]: Without dead ends: 6493
[2024-11-28 03:29:30,045 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 03:29:30,049 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:29:30,049 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:29:30,062 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6493 states.
[2024-11-28 03:29:30,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 6493.
[2024-11-28 03:29:30,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6493 states, 6492 states have (on average 1.5047751078250153) internal successors, (9769), 6492 states have internal predecessors, (9769), 0 states have call successors, (0), 0 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 03:29:30,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 6493 states and 9769 transitions.
[2024-11-28 03:29:30,223 INFO  L78                 Accepts]: Start accepts. Automaton has 6493 states and 9769 transitions. Word has length 432
[2024-11-28 03:29:30,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:30,224 INFO  L471      AbstractCegarLoop]: Abstraction has 6493 states and 9769 transitions.
[2024-11-28 03:29:30,224 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 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 03:29:30,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 6493 states and 9769 transitions.
[2024-11-28 03:29:30,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 434
[2024-11-28 03:29:30,243 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:30,243 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]
[2024-11-28 03:29:30,244 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-28 03:29:30,244 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:30,244 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:30,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 566616708, now seen corresponding path program 1 times
[2024-11-28 03:29:30,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:30,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449833323]
[2024-11-28 03:29:30,245 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:30,245 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:30,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:31,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:29:31,486 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:31,486 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449833323]
[2024-11-28 03:29:31,487 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449833323] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:31,487 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:31,487 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:29:31,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751398948]
[2024-11-28 03:29:31,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:31,488 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:29:31,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:31,490 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:29:31,490 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:29:31,491 INFO  L87              Difference]: Start difference. First operand 6493 states and 9769 transitions. Second operand  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 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 03:29:31,936 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:31,936 INFO  L93              Difference]: Finished difference Result 12778 states and 19227 transitions.
[2024-11-28 03:29:31,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:29:31,937 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 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 433
[2024-11-28 03:29:31,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:31,959 INFO  L225             Difference]: With dead ends: 12778
[2024-11-28 03:29:31,959 INFO  L226             Difference]: Without dead ends: 6495
[2024-11-28 03:29:31,965 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 03:29:31,966 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:29:31,966 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:29:31,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6495 states.
[2024-11-28 03:29:32,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6495 to 6495.
[2024-11-28 03:29:32,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6495 states, 6494 states have (on average 1.504619648906683) internal successors, (9771), 6494 states have internal predecessors, (9771), 0 states have call successors, (0), 0 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 03:29:32,129 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 9771 transitions.
[2024-11-28 03:29:32,129 INFO  L78                 Accepts]: Start accepts. Automaton has 6495 states and 9771 transitions. Word has length 433
[2024-11-28 03:29:32,130 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:32,130 INFO  L471      AbstractCegarLoop]: Abstraction has 6495 states and 9771 transitions.
[2024-11-28 03:29:32,131 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 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 03:29:32,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 6495 states and 9771 transitions.
[2024-11-28 03:29:32,139 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 435
[2024-11-28 03:29:32,139 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:32,139 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]
[2024-11-28 03:29:32,139 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-28 03:29:32,140 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:32,140 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:32,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 1294138334, now seen corresponding path program 1 times
[2024-11-28 03:29:32,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:32,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668259142]
[2024-11-28 03:29:32,141 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:32,141 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:32,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:33,244 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 03:29:33,245 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:33,245 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668259142]
[2024-11-28 03:29:33,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668259142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:33,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:33,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:29:33,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122166190]
[2024-11-28 03:29:33,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:33,246 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:29:33,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:33,248 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:29:33,248 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:29:33,249 INFO  L87              Difference]: Start difference. First operand 6495 states and 9771 transitions. Second operand  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 0 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 03:29:33,508 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:33,508 INFO  L93              Difference]: Finished difference Result 12782 states and 19231 transitions.
[2024-11-28 03:29:33,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:29:33,509 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 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 434
[2024-11-28 03:29:33,510 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:33,539 INFO  L225             Difference]: With dead ends: 12782
[2024-11-28 03:29:33,539 INFO  L226             Difference]: Without dead ends: 6497
[2024-11-28 03:29:33,546 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 03:29:33,550 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:29:33,551 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:29:33,563 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6497 states.
[2024-11-28 03:29:33,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6497 to 6497.
[2024-11-28 03:29:33,677 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6497 states, 6496 states have (on average 1.5044642857142858) internal successors, (9773), 6496 states have internal predecessors, (9773), 0 states have call successors, (0), 0 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 03:29:33,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 9773 transitions.
[2024-11-28 03:29:33,703 INFO  L78                 Accepts]: Start accepts. Automaton has 6497 states and 9773 transitions. Word has length 434
[2024-11-28 03:29:33,704 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:33,704 INFO  L471      AbstractCegarLoop]: Abstraction has 6497 states and 9773 transitions.
[2024-11-28 03:29:33,704 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 0 states have call successors, (0), 0 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 03:29:33,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 6497 states and 9773 transitions.
[2024-11-28 03:29:33,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 436
[2024-11-28 03:29:33,712 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:33,713 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]
[2024-11-28 03:29:33,713 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-28 03:29:33,713 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:33,715 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:33,715 INFO  L85        PathProgramCache]: Analyzing trace with hash -1717188643, now seen corresponding path program 1 times
[2024-11-28 03:29:33,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:33,715 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687074826]
[2024-11-28 03:29:33,715 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:33,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:33,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:34,711 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 03:29:34,714 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:34,714 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687074826]
[2024-11-28 03:29:34,714 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687074826] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:34,714 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:34,714 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 03:29:34,715 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449427505]
[2024-11-28 03:29:34,715 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:34,715 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 03:29:34,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:34,716 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 03:29:34,716 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:29:34,717 INFO  L87              Difference]: Start difference. First operand 6497 states and 9773 transitions. Second operand  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 0 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 03:29:35,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:35,011 INFO  L93              Difference]: Finished difference Result 12786 states and 19235 transitions.
[2024-11-28 03:29:35,012 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:29:35,012 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 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 435
[2024-11-28 03:29:35,014 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:35,034 INFO  L225             Difference]: With dead ends: 12786
[2024-11-28 03:29:35,034 INFO  L226             Difference]: Without dead ends: 6499
[2024-11-28 03:29:35,041 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:29:35,042 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 29273 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39036 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 03:29:35,042 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39036 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:29:35,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6499 states.
[2024-11-28 03:29:35,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6499 to 6499.
[2024-11-28 03:29:35,179 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6499 states, 6498 states have (on average 1.5043090181594336) internal successors, (9775), 6498 states have internal predecessors, (9775), 0 states have call successors, (0), 0 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 03:29:35,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 9775 transitions.
[2024-11-28 03:29:35,205 INFO  L78                 Accepts]: Start accepts. Automaton has 6499 states and 9775 transitions. Word has length 435
[2024-11-28 03:29:35,207 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:35,207 INFO  L471      AbstractCegarLoop]: Abstraction has 6499 states and 9775 transitions.
[2024-11-28 03:29:35,207 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 87.0) internal successors, (435), 5 states have internal predecessors, (435), 0 states have call successors, (0), 0 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 03:29:35,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 6499 states and 9775 transitions.
[2024-11-28 03:29:35,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 437
[2024-11-28 03:29:35,215 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:35,216 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]
[2024-11-28 03:29:35,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-28 03:29:35,216 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:35,217 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:35,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -329720059, now seen corresponding path program 1 times
[2024-11-28 03:29:35,217 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:35,217 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721260225]
[2024-11-28 03:29:35,218 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:35,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:35,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:36,356 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 03:29:36,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:36,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721260225]
[2024-11-28 03:29:36,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721260225] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:36,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:36,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 03:29:36,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588561914]
[2024-11-28 03:29:36,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:36,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 03:29:36,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:36,361 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 03:29:36,361 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:29:36,361 INFO  L87              Difference]: Start difference. First operand 6499 states and 9775 transitions. Second operand  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 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 03:29:36,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:36,788 INFO  L93              Difference]: Finished difference Result 18954 states and 28513 transitions.
[2024-11-28 03:29:36,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 03:29:36,789 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 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 436
[2024-11-28 03:29:36,792 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:36,818 INFO  L225             Difference]: With dead ends: 18954
[2024-11-28 03:29:36,818 INFO  L226             Difference]: Without dead ends: 12665
[2024-11-28 03:29:36,827 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 03:29:36,828 INFO  L435           NwaCegarLoop]: 9761 mSDtfsCounter, 9156 mSDsluCounter, 28964 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9156 SdHoareTripleChecker+Valid, 38725 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 03:29:36,829 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9156 Valid, 38725 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:29:36,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12665 states.
[2024-11-28 03:29:36,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12665 to 7135.
[2024-11-28 03:29:37,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7135 states, 7134 states have (on average 1.5039248668348753) internal successors, (10729), 7134 states have internal predecessors, (10729), 0 states have call successors, (0), 0 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 03:29:37,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10729 transitions.
[2024-11-28 03:29:37,039 INFO  L78                 Accepts]: Start accepts. Automaton has 7135 states and 10729 transitions. Word has length 436
[2024-11-28 03:29:37,040 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:37,040 INFO  L471      AbstractCegarLoop]: Abstraction has 7135 states and 10729 transitions.
[2024-11-28 03:29:37,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 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 03:29:37,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 7135 states and 10729 transitions.
[2024-11-28 03:29:37,364 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-28 03:29:37,364 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:37,366 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 03:29:37,367 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-28 03:29:37,367 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:37,368 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:37,370 INFO  L85        PathProgramCache]: Analyzing trace with hash 1976816396, now seen corresponding path program 1 times
[2024-11-28 03:29:37,370 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:37,370 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465922326]
[2024-11-28 03:29:37,371 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:37,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:43,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:29:53,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:29:53,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:29:53,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465922326]
[2024-11-28 03:29:53,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465922326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:29:53,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:29:53,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 03:29:53,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034075738]
[2024-11-28 03:29:53,056 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:29:53,069 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 03:29:53,070 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:29:53,079 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 03:29:53,079 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 03:29:53,084 INFO  L87              Difference]: Start difference. First operand 7135 states and 10729 transitions. Second operand  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:29:53,336 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:29:53,336 INFO  L93              Difference]: Finished difference Result 13425 states and 20192 transitions.
[2024-11-28 03:29:53,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 03:29:53,337 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-11-28 03:29:53,339 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:29:53,364 INFO  L225             Difference]: With dead ends: 13425
[2024-11-28 03:29:53,364 INFO  L226             Difference]: Without dead ends: 7136
[2024-11-28 03:29:53,373 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 03:29:53,375 INFO  L435           NwaCegarLoop]: 9764 mSDtfsCounter, 0 mSDsluCounter, 9758 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19522 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 03:29:53,375 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19522 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:29:53,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7136 states.
[2024-11-28 03:29:53,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 7136.
[2024-11-28 03:29:53,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7136 states, 7135 states have (on average 1.50385423966363) internal successors, (10730), 7135 states have internal predecessors, (10730), 0 states have call successors, (0), 0 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 03:29:53,690 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 10730 transitions.
[2024-11-28 03:29:53,690 INFO  L78                 Accepts]: Start accepts. Automaton has 7136 states and 10730 transitions. Word has length 3331
[2024-11-28 03:29:53,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:29:53,695 INFO  L471      AbstractCegarLoop]: Abstraction has 7136 states and 10730 transitions.
[2024-11-28 03:29:53,697 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:29:53,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 7136 states and 10730 transitions.
[2024-11-28 03:29:54,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-28 03:29:54,457 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:29:54,460 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:54,464 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-28 03:29:54,464 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:29:54,466 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:29:54,468 INFO  L85        PathProgramCache]: Analyzing trace with hash 431228923, now seen corresponding path program 1 times
[2024-11-28 03:29:54,471 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:29:54,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312162991]
[2024-11-28 03:29:54,473 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:29:54,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:29:59,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:30:07,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:30:07,406 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:30:07,406 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312162991]
[2024-11-28 03:30:07,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312162991] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:30:07,406 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:30:07,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 03:30:07,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115452455]
[2024-11-28 03:30:07,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:30:07,410 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 03:30:07,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:30:07,413 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 03:30:07,413 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 03:30:07,414 INFO  L87              Difference]: Start difference. First operand 7136 states and 10730 transitions. Second operand  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:30:07,529 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:30:07,532 INFO  L93              Difference]: Finished difference Result 13427 states and 20194 transitions.
[2024-11-28 03:30:07,533 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 03:30:07,534 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-11-28 03:30:07,540 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:30:07,570 INFO  L225             Difference]: With dead ends: 13427
[2024-11-28 03:30:07,574 INFO  L226             Difference]: Without dead ends: 7137
[2024-11-28 03:30:07,585 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 03:30:07,590 INFO  L435           NwaCegarLoop]: 9764 mSDtfsCounter, 0 mSDsluCounter, 9758 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19522 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 03:30:07,590 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:30:07,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7137 states.
[2024-11-28 03:30:07,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7137 to 7137.
[2024-11-28 03:30:07,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7137 states, 7136 states have (on average 1.5037836322869955) internal successors, (10731), 7136 states have internal predecessors, (10731), 0 states have call successors, (0), 0 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 03:30:07,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7137 states to 7137 states and 10731 transitions.
[2024-11-28 03:30:07,793 INFO  L78                 Accepts]: Start accepts. Automaton has 7137 states and 10731 transitions. Word has length 3331
[2024-11-28 03:30:07,796 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:30:07,796 INFO  L471      AbstractCegarLoop]: Abstraction has 7137 states and 10731 transitions.
[2024-11-28 03:30:07,801 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:30:07,802 INFO  L276                IsEmpty]: Start isEmpty. Operand 7137 states and 10731 transitions.
[2024-11-28 03:30:08,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-28 03:30:08,057 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:30:08,059 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]
[2024-11-28 03:30:08,062 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-28 03:30:08,062 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:30:08,064 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:30:08,067 INFO  L85        PathProgramCache]: Analyzing trace with hash 1429589994, now seen corresponding path program 1 times
[2024-11-28 03:30:08,067 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:30:08,067 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226832656]
[2024-11-28 03:30:08,068 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:30:08,068 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:30:11,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:30:20,133 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:30:20,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:30:20,134 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226832656]
[2024-11-28 03:30:20,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226832656] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:30:20,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:30:20,135 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 03:30:20,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15914881]
[2024-11-28 03:30:20,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:30:20,138 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 03:30:20,140 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:30:20,143 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 03:30:20,144 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 03:30:20,145 INFO  L87              Difference]: Start difference. First operand 7137 states and 10731 transitions. Second operand  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:30:20,241 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:30:20,242 INFO  L93              Difference]: Finished difference Result 13429 states and 20196 transitions.
[2024-11-28 03:30:20,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-28 03:30:20,243 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 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 3331
[2024-11-28 03:30:20,246 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:30:20,260 INFO  L225             Difference]: With dead ends: 13429
[2024-11-28 03:30:20,260 INFO  L226             Difference]: Without dead ends: 7138
[2024-11-28 03:30:20,266 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 03:30:20,267 INFO  L435           NwaCegarLoop]: 9764 mSDtfsCounter, 0 mSDsluCounter, 9758 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19522 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 03:30:20,267 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:30:20,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7138 states.
[2024-11-28 03:30:20,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7138 to 7138.
[2024-11-28 03:30:20,515 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7138 states, 7137 states have (on average 1.5037130446966513) internal successors, (10732), 7137 states have internal predecessors, (10732), 0 states have call successors, (0), 0 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 03:30:20,524 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10732 transitions.
[2024-11-28 03:30:20,524 INFO  L78                 Accepts]: Start accepts. Automaton has 7138 states and 10732 transitions. Word has length 3331
[2024-11-28 03:30:20,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:30:20,527 INFO  L471      AbstractCegarLoop]: Abstraction has 7138 states and 10732 transitions.
[2024-11-28 03:30:20,528 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 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 03:30:20,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 7138 states and 10732 transitions.
[2024-11-28 03:30:20,606 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3332
[2024-11-28 03:30:20,606 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:30:20,608 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]
[2024-11-28 03:30:20,609 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-28 03:30:20,609 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:30:20,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:30:20,612 INFO  L85        PathProgramCache]: Analyzing trace with hash -239205799, now seen corresponding path program 1 times
[2024-11-28 03:30:20,612 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:30:20,612 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417093382]
[2024-11-28 03:30:20,613 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:30:20,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:30:24,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:30:34,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-28 03:30:34,883 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:30:34,883 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417093382]
[2024-11-28 03:30:34,883 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417093382] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:30:34,883 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:30:34,883 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 03:30:34,883 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964028695]
[2024-11-28 03:30:34,883 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:30:34,886 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 03:30:34,886 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:30:34,889 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 03:30:34,889 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:30:34,890 INFO  L87              Difference]: Start difference. First operand 7138 states and 10732 transitions. Second operand  has 5 states, 5 states have (on average 604.0) internal successors, (3020), 5 states have internal predecessors, (3020), 0 states have call successors, (0), 0 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 03:30:35,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:30:35,044 INFO  L93              Difference]: Finished difference Result 13444 states and 20217 transitions.
[2024-11-28 03:30:35,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:30:35,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 604.0) internal successors, (3020), 5 states have internal predecessors, (3020), 0 states have call successors, (0), 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 3331
[2024-11-28 03:30:35,050 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:30:35,064 INFO  L225             Difference]: With dead ends: 13444
[2024-11-28 03:30:35,064 INFO  L226             Difference]: Without dead ends: 7142
[2024-11-28 03:30:35,070 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:30:35,071 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-28 03:30:35,071 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 03:30:35,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7142 states.
[2024-11-28 03:30:35,148 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 7140.
[2024-11-28 03:30:35,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7140 states, 7139 states have (on average 1.5035719288415745) internal successors, (10734), 7139 states have internal predecessors, (10734), 0 states have call successors, (0), 0 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 03:30:35,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7140 states to 7140 states and 10734 transitions.
[2024-11-28 03:30:35,166 INFO  L78                 Accepts]: Start accepts. Automaton has 7140 states and 10734 transitions. Word has length 3331
[2024-11-28 03:30:35,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:30:35,169 INFO  L471      AbstractCegarLoop]: Abstraction has 7140 states and 10734 transitions.
[2024-11-28 03:30:35,170 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 604.0) internal successors, (3020), 5 states have internal predecessors, (3020), 0 states have call successors, (0), 0 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 03:30:35,170 INFO  L276                IsEmpty]: Start isEmpty. Operand 7140 states and 10734 transitions.
[2024-11-28 03:30:35,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3333
[2024-11-28 03:30:35,326 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:30:35,328 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]
[2024-11-28 03:30:35,328 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-28 03:30:35,329 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:30:35,331 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:30:35,333 INFO  L85        PathProgramCache]: Analyzing trace with hash -133367966, now seen corresponding path program 1 times
[2024-11-28 03:30:35,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:30:35,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936916948]
[2024-11-28 03:30:35,335 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:30:35,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:30:38,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:30:48,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked.
[2024-11-28 03:30:48,626 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:30:48,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936916948]
[2024-11-28 03:30:48,626 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936916948] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:30:48,626 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:30:48,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 03:30:48,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405031228]
[2024-11-28 03:30:48,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:30:48,637 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 03:30:48,640 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:30:48,643 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 03:30:48,647 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 03:30:48,648 INFO  L87              Difference]: Start difference. First operand 7140 states and 10734 transitions. Second operand  has 4 states, 4 states have (on average 755.75) internal successors, (3023), 4 states have internal predecessors, (3023), 0 states have call successors, (0), 0 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 03:30:48,900 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:30:48,900 INFO  L93              Difference]: Finished difference Result 13452 states and 20227 transitions.
[2024-11-28 03:30:48,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:30:48,906 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 755.75) internal successors, (3023), 4 states have internal predecessors, (3023), 0 states have call successors, (0), 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 3332
[2024-11-28 03:30:48,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:30:48,936 INFO  L225             Difference]: With dead ends: 13452
[2024-11-28 03:30:48,936 INFO  L226             Difference]: Without dead ends: 7144
[2024-11-28 03:30:48,950 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 03:30:48,950 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 19516 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29279 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 03:30:48,951 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29279 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:30:48,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7144 states.
[2024-11-28 03:30:49,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7144 to 7142.
[2024-11-28 03:30:49,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7142 states, 7141 states have (on average 1.5034308920319284) internal successors, (10736), 7141 states have internal predecessors, (10736), 0 states have call successors, (0), 0 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 03:30:49,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10736 transitions.
[2024-11-28 03:30:49,170 INFO  L78                 Accepts]: Start accepts. Automaton has 7142 states and 10736 transitions. Word has length 3332
[2024-11-28 03:30:49,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:30:49,176 INFO  L471      AbstractCegarLoop]: Abstraction has 7142 states and 10736 transitions.
[2024-11-28 03:30:49,177 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 755.75) internal successors, (3023), 4 states have internal predecessors, (3023), 0 states have call successors, (0), 0 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 03:30:49,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 7142 states and 10736 transitions.
[2024-11-28 03:30:49,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3334
[2024-11-28 03:30:49,344 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:30:49,346 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]
[2024-11-28 03:30:49,346 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-28 03:30:49,347 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:30:49,352 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:30:49,354 INFO  L85        PathProgramCache]: Analyzing trace with hash -365087360, now seen corresponding path program 1 times
[2024-11-28 03:30:49,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:30:49,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618920823]
[2024-11-28 03:30:49,356 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:30:49,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:30:53,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:31:04,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked.
[2024-11-28 03:31:04,017 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:31:04,017 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618920823]
[2024-11-28 03:31:04,017 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618920823] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:31:04,017 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:31:04,018 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 03:31:04,018 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115391315]
[2024-11-28 03:31:04,018 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:31:04,020 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 03:31:04,021 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:31:04,024 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 03:31:04,028 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:31:04,030 INFO  L87              Difference]: Start difference. First operand 7142 states and 10736 transitions. Second operand  has 5 states, 5 states have (on average 605.2) internal successors, (3026), 5 states have internal predecessors, (3026), 0 states have call successors, (0), 0 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 03:31:04,295 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:31:04,295 INFO  L93              Difference]: Finished difference Result 13460 states and 20237 transitions.
[2024-11-28 03:31:04,296 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-28 03:31:04,297 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 605.2) internal successors, (3026), 5 states have internal predecessors, (3026), 0 states have call successors, (0), 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 3333
[2024-11-28 03:31:04,301 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:31:04,321 INFO  L225             Difference]: With dead ends: 13460
[2024-11-28 03:31:04,325 INFO  L226             Difference]: Without dead ends: 7146
[2024-11-28 03:31:04,335 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 03:31:04,336 INFO  L435           NwaCegarLoop]: 9763 mSDtfsCounter, 0 mSDsluCounter, 29273 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39036 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 03:31:04,339 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39036 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 03:31:04,356 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7146 states.
[2024-11-28 03:31:04,455 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7146 to 7144.
[2024-11-28 03:31:04,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7144 states, 7143 states have (on average 1.503289934201316) internal successors, (10738), 7143 states have internal predecessors, (10738), 0 states have call successors, (0), 0 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 03:31:04,488 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 10738 transitions.
[2024-11-28 03:31:04,489 INFO  L78                 Accepts]: Start accepts. Automaton has 7144 states and 10738 transitions. Word has length 3333
[2024-11-28 03:31:04,496 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:31:04,496 INFO  L471      AbstractCegarLoop]: Abstraction has 7144 states and 10738 transitions.
[2024-11-28 03:31:04,497 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 605.2) internal successors, (3026), 5 states have internal predecessors, (3026), 0 states have call successors, (0), 0 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 03:31:04,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 7144 states and 10738 transitions.
[2024-11-28 03:31:04,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3335
[2024-11-28 03:31:04,828 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:31:04,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:04,834 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-28 03:31:04,834 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:31:04,842 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:31:04,844 INFO  L85        PathProgramCache]: Analyzing trace with hash 1305876411, now seen corresponding path program 1 times
[2024-11-28 03:31:04,844 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:31:04,844 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3142720]
[2024-11-28 03:31:04,846 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:31:04,850 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:31:10,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:31:25,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:31:25,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:31:25,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3142720]
[2024-11-28 03:31:25,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3142720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:31:25,239 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:31:25,239 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 03:31:25,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156821285]
[2024-11-28 03:31:25,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:31:25,242 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-28 03:31:25,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:31:25,245 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-28 03:31:25,246 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 03:31:25,247 INFO  L87              Difference]: Start difference. First operand 7144 states and 10738 transitions. Second operand  has 6 states, 6 states have (on average 555.6666666666666) internal successors, (3334), 6 states have internal predecessors, (3334), 0 states have call successors, (0), 0 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 03:31:30,450 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:31:30,450 INFO  L93              Difference]: Finished difference Result 17510 states and 26396 transitions.
[2024-11-28 03:31:30,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-28 03:31:30,451 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 555.6666666666666) internal successors, (3334), 6 states have internal predecessors, (3334), 0 states have call successors, (0), 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 3334
[2024-11-28 03:31:30,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:31:30,461 INFO  L225             Difference]: With dead ends: 17510
[2024-11-28 03:31:30,462 INFO  L226             Difference]: Without dead ends: 11212
[2024-11-28 03:31:30,465 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-28 03:31:30,467 INFO  L435           NwaCegarLoop]: 8451 mSDtfsCounter, 13144 mSDsluCounter, 25347 mSDsCounter, 0 mSdLazyCounter, 4701 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13144 SdHoareTripleChecker+Valid, 33798 SdHoareTripleChecker+Invalid, 4823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 4701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-11-28 03:31:30,467 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13144 Valid, 33798 Invalid, 4823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 4701 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-11-28 03:31:30,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11212 states.
[2024-11-28 03:31:30,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11212 to 11210.
[2024-11-28 03:31:30,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11210 states, 11209 states have (on average 1.4987956106699973) internal successors, (16800), 11209 states have internal predecessors, (16800), 0 states have call successors, (0), 0 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 03:31:30,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11210 states to 11210 states and 16800 transitions.
[2024-11-28 03:31:30,615 INFO  L78                 Accepts]: Start accepts. Automaton has 11210 states and 16800 transitions. Word has length 3334
[2024-11-28 03:31:30,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:31:30,617 INFO  L471      AbstractCegarLoop]: Abstraction has 11210 states and 16800 transitions.
[2024-11-28 03:31:30,618 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 555.6666666666666) internal successors, (3334), 6 states have internal predecessors, (3334), 0 states have call successors, (0), 0 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 03:31:30,618 INFO  L276                IsEmpty]: Start isEmpty. Operand 11210 states and 16800 transitions.
[2024-11-28 03:31:30,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3336
[2024-11-28 03:31:30,698 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:31:30,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:30,700 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-28 03:31:30,700 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:31:30,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:31:30,702 INFO  L85        PathProgramCache]: Analyzing trace with hash 1748317113, now seen corresponding path program 1 times
[2024-11-28 03:31:30,703 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:31:30,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579248133]
[2024-11-28 03:31:30,704 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:31:30,704 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:31:35,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:31:46,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:31:46,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:31:46,399 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579248133]
[2024-11-28 03:31:46,399 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579248133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:31:46,399 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:31:46,399 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 03:31:46,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329421825]
[2024-11-28 03:31:46,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:31:46,401 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-28 03:31:46,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:31:46,402 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-28 03:31:46,402 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-28 03:31:46,403 INFO  L87              Difference]: Start difference. First operand 11210 states and 16800 transitions. Second operand  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 0 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 03:31:49,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:31:49,665 INFO  L93              Difference]: Finished difference Result 31300 states and 46968 transitions.
[2024-11-28 03:31:49,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-28 03:31:49,666 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 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 3335
[2024-11-28 03:31:49,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:31:49,681 INFO  L225             Difference]: With dead ends: 31300
[2024-11-28 03:31:49,681 INFO  L226             Difference]: Without dead ends: 16293
[2024-11-28 03:31:49,690 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-28 03:31:49,691 INFO  L435           NwaCegarLoop]: 11149 mSDtfsCounter, 21973 mSDsluCounter, 30741 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21973 SdHoareTripleChecker+Valid, 41890 SdHoareTripleChecker+Invalid, 2801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-11-28 03:31:49,691 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21973 Valid, 41890 Invalid, 2801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [290 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-11-28 03:31:49,709 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16293 states.
[2024-11-28 03:31:49,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16293 to 16287.
[2024-11-28 03:31:49,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16287 states, 16286 states have (on average 1.4878423185558147) internal successors, (24231), 16286 states have internal predecessors, (24231), 0 states have call successors, (0), 0 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 03:31:50,007 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16287 states to 16287 states and 24231 transitions.
[2024-11-28 03:31:50,008 INFO  L78                 Accepts]: Start accepts. Automaton has 16287 states and 24231 transitions. Word has length 3335
[2024-11-28 03:31:50,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:31:50,009 INFO  L471      AbstractCegarLoop]: Abstraction has 16287 states and 24231 transitions.
[2024-11-28 03:31:50,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 0 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 03:31:50,010 INFO  L276                IsEmpty]: Start isEmpty. Operand 16287 states and 24231 transitions.
[2024-11-28 03:31:50,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3336
[2024-11-28 03:31:50,059 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:31:50,060 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]
[2024-11-28 03:31:50,060 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-28 03:31:50,060 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:31:50,061 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:31:50,063 INFO  L85        PathProgramCache]: Analyzing trace with hash 1477719001, now seen corresponding path program 1 times
[2024-11-28 03:31:50,063 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:31:50,063 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416415451]
[2024-11-28 03:31:50,064 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:31:50,064 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:31:53,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 03:32:03,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 324 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 03:32:03,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 03:32:03,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416415451]
[2024-11-28 03:32:03,793 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416415451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 03:32:03,793 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 03:32:03,793 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 03:32:03,793 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745065774]
[2024-11-28 03:32:03,793 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 03:32:03,796 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-28 03:32:03,796 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 03:32:03,798 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-28 03:32:03,798 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-28 03:32:03,799 INFO  L87              Difference]: Start difference. First operand 16287 states and 24231 transitions. Second operand  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 0 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 03:32:06,536 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 03:32:06,536 INFO  L93              Difference]: Finished difference Result 16293 states and 24238 transitions.
[2024-11-28 03:32:06,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-28 03:32:06,537 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 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 3335
[2024-11-28 03:32:06,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 03:32:06,545 INFO  L225             Difference]: With dead ends: 16293
[2024-11-28 03:32:06,545 INFO  L226             Difference]: Without dead ends: 11218
[2024-11-28 03:32:06,549 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-28 03:32:06,549 INFO  L435           NwaCegarLoop]: 8453 mSDtfsCounter, 18477 mSDsluCounter, 16900 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18477 SdHoareTripleChecker+Valid, 25353 SdHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-28 03:32:06,549 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18477 Valid, 25353 Invalid, 3522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3521 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-28 03:32:06,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11218 states.
[2024-11-28 03:32:06,655 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11218 to 11214.
[2024-11-28 03:32:06,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11214 states, 11213 states have (on average 1.4986176759118879) internal successors, (16804), 11213 states have internal predecessors, (16804), 0 states have call successors, (0), 0 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 03:32:06,679 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11214 states to 11214 states and 16804 transitions.
[2024-11-28 03:32:06,680 INFO  L78                 Accepts]: Start accepts. Automaton has 11214 states and 16804 transitions. Word has length 3335
[2024-11-28 03:32:06,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-28 03:32:06,681 INFO  L471      AbstractCegarLoop]: Abstraction has 11214 states and 16804 transitions.
[2024-11-28 03:32:06,682 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 555.8333333333334) internal successors, (3335), 6 states have internal predecessors, (3335), 0 states have call successors, (0), 0 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 03:32:06,682 INFO  L276                IsEmpty]: Start isEmpty. Operand 11214 states and 16804 transitions.
[2024-11-28 03:32:06,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3337
[2024-11-28 03:32:06,754 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-28 03:32:06,755 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]
[2024-11-28 03:32:06,755 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-28 03:32:06,755 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 03:32:06,757 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 03:32:06,758 INFO  L85        PathProgramCache]: Analyzing trace with hash -835792115, now seen corresponding path program 1 times
[2024-11-28 03:32:06,758 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 03:32:06,758 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040046971]
[2024-11-28 03:32:06,759 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 03:32:06,759 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 03:32:09,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat