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


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


Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC --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 59a51494e44542a55e0efd5b7238524ccc4e20c79b0ec6f03f7167fd13a5d201
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:36:11,659 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:36:11,719 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 01:36:11,725 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:36:11,725 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:36:11,751 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:36:11,751 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:36:11,752 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:36:11,752 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:36:11,752 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:36:11,752 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:36:11,752 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:36:11,753 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:36:11,753 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:36:11,753 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:36:11,753 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:36:11,754 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:36:11,755 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:36:11,755 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:36:11,756 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:36:11,756 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:36:11,756 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:36:11,756 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:36:11,756 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:36:11,756 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:36:11,756 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:36:11,757 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:36:11,758 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_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC
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 -> 59a51494e44542a55e0efd5b7238524ccc4e20c79b0ec6f03f7167fd13a5d201
[2024-11-24 01:36:12,030 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:36:12,043 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:36:12,046 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:36:12,048 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:36:12,048 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:36:12,051 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c
[2024-11-24 01:36:15,072 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/data/97e2a1a36/2b0b14132df5479ebb8ff4b4269c6e2a/FLAGc2365745d
[2024-11-24 01:36:15,750 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:36:15,750 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c
[2024-11-24 01:36:15,806 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/data/97e2a1a36/2b0b14132df5479ebb8ff4b4269c6e2a/FLAGc2365745d
[2024-11-24 01:36:16,145 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/data/97e2a1a36/2b0b14132df5479ebb8ff4b4269c6e2a
[2024-11-24 01:36:16,148 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:36:16,149 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:36:16,151 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:36:16,152 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:36:16,156 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:36:16,157 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:16" (1/1) ...
[2024-11-24 01:36:16,158 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5330a0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:16, skipping insertion in model container
[2024-11-24 01:36:16,158 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:16" (1/1) ...
[2024-11-24 01:36:16,354 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:36:16,667 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_0b39a98f-0299-4da8-9767-7d93e67e3b73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c[1177,1190]
[2024-11-24 01:36:17,882 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:36:17,905 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:36:17,928 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_0b39a98f-0299-4da8-9767-7d93e67e3b73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-back-serstep.c[1177,1190]
[2024-11-24 01:36:18,607 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:36:18,623 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:36:18,623 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18 WrapperNode
[2024-11-24 01:36:18,624 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:36:18,626 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:36:18,626 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:36:18,626 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:36:18,638 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:18,816 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:21,571 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25034
[2024-11-24 01:36:21,572 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:36:21,573 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:36:21,575 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:36:21,577 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:36:21,586 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:21,587 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:22,659 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:23,126 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].
[2024-11-24 01:36:23,126 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:23,126 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:23,819 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:23,886 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:24,223 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:24,316 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:24,405 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:24,880 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:36:24,881 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:36:24,882 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:36:24,882 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:36:24,883 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (1/1) ...
[2024-11-24 01:36:24,889 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:36:24,905 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:36:24,918 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:36:24,922 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39a98f-0299-4da8-9767-7d93e67e3b73/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:36:24,950 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:36:24,950 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:36:24,950 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:36:24,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:36:26,555 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:36:26,557 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:37:50,812 INFO  L?                        ?]: Removed 13548 outVars from TransFormulas that were not future-live.
[2024-11-24 01:37:50,812 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:37:50,960 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:37:50,960 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 01:37:50,961 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:50 BoogieIcfgContainer
[2024-11-24 01:37:50,961 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:37:50,963 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:37:50,963 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:37:50,969 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:37:50,969 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:36:16" (1/3) ...
[2024-11-24 01:37:50,970 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4ced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:50, skipping insertion in model container
[2024-11-24 01:37:50,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:18" (2/3) ...
[2024-11-24 01:37:50,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4ced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:50, skipping insertion in model container
[2024-11-24 01:37:50,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:50" (3/3) ...
[2024-11-24 01:37:50,973 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.4.prop1-back-serstep.c
[2024-11-24 01:37:50,991 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:37:50,993 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.telephony.4.prop1-back-serstep.c that has 1 procedures, 8762 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:37:51,231 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:37:51,248 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;@7827c09e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:37:51,248 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:37:51,281 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8762 states, 8760 states have (on average 1.5039954337899544) internal successors, (13175), 8761 states have internal predecessors, (13175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:51,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 700
[2024-11-24 01:37:51,327 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:37:51,329 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:37:51,329 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:37:51,334 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:37:51,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 1965517741, now seen corresponding path program 1 times
[2024-11-24 01:37:51,343 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:37:51,343 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325166473]
[2024-11-24 01:37:51,344 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:37:51,344 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:37:52,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:37:55,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:37:55,673 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:37:55,674 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325166473]
[2024-11-24 01:37:55,674 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325166473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:37:55,677 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:37:55,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:37:55,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280337149]
[2024-11-24 01:37:55,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:37:55,686 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:37:55,690 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:37:55,717 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:37:55,718 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:37:55,737 INFO  L87              Difference]: Start difference. First operand  has 8762 states, 8760 states have (on average 1.5039954337899544) internal successors, (13175), 8761 states have internal predecessors, (13175), 0 states have call successors, (0), 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 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:56,345 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:37:56,346 INFO  L93              Difference]: Finished difference Result 17225 states and 25905 transitions.
[2024-11-24 01:37:56,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:37:56,349 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 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 699
[2024-11-24 01:37:56,355 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:37:56,417 INFO  L225             Difference]: With dead ends: 17225
[2024-11-24 01:37:56,417 INFO  L226             Difference]: Without dead ends: 8761
[2024-11-24 01:37:56,443 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
[2024-11-24 01:37:56,449 INFO  L435           NwaCegarLoop]: 13169 mSDtfsCounter, 0 mSDsluCounter, 26332 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39501 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:37:56,450 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39501 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:37:56,486 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8761 states.
[2024-11-24 01:37:56,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8761 to 8761.
[2024-11-24 01:37:56,766 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8761 states, 8760 states have (on average 1.5037671232876713) internal successors, (13173), 8760 states have internal predecessors, (13173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:56,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8761 states to 8761 states and 13173 transitions.
[2024-11-24 01:37:56,815 INFO  L78                 Accepts]: Start accepts. Automaton has 8761 states and 13173 transitions. Word has length 699
[2024-11-24 01:37:56,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:37:56,817 INFO  L471      AbstractCegarLoop]: Abstraction has 8761 states and 13173 transitions.
[2024-11-24 01:37:56,824 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:56,824 INFO  L276                IsEmpty]: Start isEmpty. Operand 8761 states and 13173 transitions.
[2024-11-24 01:37:56,848 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 701
[2024-11-24 01:37:56,848 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:37:56,849 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:37:56,849 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:37:56,849 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:37:56,850 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:37:56,850 INFO  L85        PathProgramCache]: Analyzing trace with hash 803207491, now seen corresponding path program 1 times
[2024-11-24 01:37:56,850 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:37:56,850 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365460217]
[2024-11-24 01:37:56,851 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:37:56,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:37:57,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:37:58,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:37:58,770 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:37:58,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365460217]
[2024-11-24 01:37:58,772 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365460217] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:37:58,772 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:37:58,772 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:37:58,772 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005906770]
[2024-11-24 01:37:58,773 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:37:58,774 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:37:58,776 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:37:58,778 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:37:58,778 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:37:58,780 INFO  L87              Difference]: Start difference. First operand 8761 states and 13173 transitions. Second operand  has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:59,183 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:37:59,183 INFO  L93              Difference]: Finished difference Result 17226 states and 25903 transitions.
[2024-11-24 01:37:59,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:37:59,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 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 700
[2024-11-24 01:37:59,188 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:37:59,219 INFO  L225             Difference]: With dead ends: 17226
[2024-11-24 01:37:59,219 INFO  L226             Difference]: Without dead ends: 8763
[2024-11-24 01:37:59,228 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
[2024-11-24 01:37:59,231 INFO  L435           NwaCegarLoop]: 13169 mSDtfsCounter, 0 mSDsluCounter, 26328 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39497 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:37:59,233 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39497 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:37:59,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8763 states.
[2024-11-24 01:37:59,416 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8763 to 8763.
[2024-11-24 01:37:59,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8763 states, 8762 states have (on average 1.5036521342159324) internal successors, (13175), 8762 states have internal predecessors, (13175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:59,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8763 states to 8763 states and 13175 transitions.
[2024-11-24 01:37:59,469 INFO  L78                 Accepts]: Start accepts. Automaton has 8763 states and 13175 transitions. Word has length 700
[2024-11-24 01:37:59,470 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:37:59,470 INFO  L471      AbstractCegarLoop]: Abstraction has 8763 states and 13175 transitions.
[2024-11-24 01:37:59,471 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:37:59,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 8763 states and 13175 transitions.
[2024-11-24 01:37:59,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 702
[2024-11-24 01:37:59,491 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:37:59,491 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:37:59,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:37:59,492 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:37:59,494 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:37:59,495 INFO  L85        PathProgramCache]: Analyzing trace with hash -1968332986, now seen corresponding path program 1 times
[2024-11-24 01:37:59,497 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:37:59,497 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158281913]
[2024-11-24 01:37:59,497 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:37:59,498 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:37:59,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:38:01,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:38:01,700 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:38:01,700 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158281913]
[2024-11-24 01:38:01,700 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158281913] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:38:01,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:38:01,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:38:01,701 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72099507]
[2024-11-24 01:38:01,701 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:38:01,702 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:38:01,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:38:01,704 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:38:01,705 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:38:01,705 INFO  L87              Difference]: Start difference. First operand 8763 states and 13175 transitions. Second operand  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:02,326 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:38:02,326 INFO  L93              Difference]: Finished difference Result 25679 states and 38614 transitions.
[2024-11-24 01:38:02,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:38:02,327 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 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 701
[2024-11-24 01:38:02,330 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:38:02,400 INFO  L225             Difference]: With dead ends: 25679
[2024-11-24 01:38:02,401 INFO  L226             Difference]: Without dead ends: 17214
[2024-11-24 01:38:02,414 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
[2024-11-24 01:38:02,419 INFO  L435           NwaCegarLoop]: 13167 mSDtfsCounter, 12462 mSDsluCounter, 39050 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12462 SdHoareTripleChecker+Valid, 52217 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
[2024-11-24 01:38:02,420 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12462 Valid, 52217 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:38:02,453 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17214 states.
[2024-11-24 01:38:02,696 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17214 to 9849.
[2024-11-24 01:38:02,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9849 states, 9848 states have (on average 1.5031478472786353) internal successors, (14803), 9848 states have internal predecessors, (14803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:02,751 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 14803 transitions.
[2024-11-24 01:38:02,754 INFO  L78                 Accepts]: Start accepts. Automaton has 9849 states and 14803 transitions. Word has length 701
[2024-11-24 01:38:02,756 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:38:02,756 INFO  L471      AbstractCegarLoop]: Abstraction has 9849 states and 14803 transitions.
[2024-11-24 01:38:02,757 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:02,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 9849 states and 14803 transitions.
[2024-11-24 01:38:03,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4825
[2024-11-24 01:38:03,289 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:38:03,291 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:38:03,292 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:38:03,292 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:38:03,295 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:38:03,297 INFO  L85        PathProgramCache]: Analyzing trace with hash -162832826, now seen corresponding path program 1 times
[2024-11-24 01:38:03,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:38:03,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844832675]
[2024-11-24 01:38:03,299 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:38:03,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:38:15,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:38:35,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked.
[2024-11-24 01:38:35,146 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:38:35,146 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844832675]
[2024-11-24 01:38:35,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844832675] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:38:35,147 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:38:35,147 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:38:35,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073409064]
[2024-11-24 01:38:35,148 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:38:35,153 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:38:35,154 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:38:35,159 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:38:35,160 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:38:35,162 INFO  L87              Difference]: Start difference. First operand 9849 states and 14803 transitions. Second operand  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:35,588 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:38:35,588 INFO  L93              Difference]: Finished difference Result 18318 states and 27537 transitions.
[2024-11-24 01:38:35,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:38:35,594 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 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 4824
[2024-11-24 01:38:35,615 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:38:35,661 INFO  L225             Difference]: With dead ends: 18318
[2024-11-24 01:38:35,665 INFO  L226             Difference]: Without dead ends: 9853
[2024-11-24 01:38:35,683 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
[2024-11-24 01:38:35,685 INFO  L435           NwaCegarLoop]: 13169 mSDtfsCounter, 0 mSDsluCounter, 26328 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39497 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:38:35,689 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39497 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:38:35,716 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9853 states.
[2024-11-24 01:38:36,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9853 to 9849.
[2024-11-24 01:38:36,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9849 states, 9848 states have (on average 1.5031478472786353) internal successors, (14803), 9848 states have internal predecessors, (14803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:36,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 14803 transitions.
[2024-11-24 01:38:36,094 INFO  L78                 Accepts]: Start accepts. Automaton has 9849 states and 14803 transitions. Word has length 4824
[2024-11-24 01:38:36,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:38:36,110 INFO  L471      AbstractCegarLoop]: Abstraction has 9849 states and 14803 transitions.
[2024-11-24 01:38:36,112 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 856.6) internal successors, (4283), 5 states have internal predecessors, (4283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:38:36,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 9849 states and 14803 transitions.
[2024-11-24 01:38:36,461 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4826
[2024-11-24 01:38:36,465 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:38:36,468 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:38:36,472 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:38:36,472 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:38:36,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:38:36,478 INFO  L85        PathProgramCache]: Analyzing trace with hash 156041002, now seen corresponding path program 1 times
[2024-11-24 01:38:36,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:38:36,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554160021]
[2024-11-24 01:38:36,483 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:38:36,487 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:38:44,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:39:03,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:39:03,053 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:39:03,053 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554160021]
[2024-11-24 01:39:03,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554160021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:39:03,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:39:03,054 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:39:03,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590264941]
[2024-11-24 01:39:03,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:39:03,058 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:39:03,058 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:39:03,063 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:39:03,063 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:39:03,065 INFO  L87              Difference]: Start difference. First operand 9849 states and 14803 transitions. Second operand  has 4 states, 4 states have (on average 1206.25) internal successors, (4825), 4 states have internal predecessors, (4825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:05,759 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:39:05,760 INFO  L93              Difference]: Finished difference Result 18244 states and 27462 transitions.
[2024-11-24 01:39:05,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:39:05,762 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1206.25) internal successors, (4825), 4 states have internal predecessors, (4825), 0 states have call successors, (0), 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 4825
[2024-11-24 01:39:05,766 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:39:05,788 INFO  L225             Difference]: With dead ends: 18244
[2024-11-24 01:39:05,789 INFO  L226             Difference]: Without dead ends: 9777
[2024-11-24 01:39:05,800 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:39:05,802 INFO  L435           NwaCegarLoop]: 12274 mSDtfsCounter, 11010 mSDsluCounter, 12271 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11010 SdHoareTripleChecker+Valid, 24545 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-24 01:39:05,802 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11010 Valid, 24545 Invalid, 1568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [73 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-24 01:39:05,816 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9777 states.
[2024-11-24 01:39:06,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9777.
[2024-11-24 01:39:06,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9777 states, 9776 states have (on average 1.499283960720131) internal successors, (14657), 9776 states have internal predecessors, (14657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:06,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 14657 transitions.
[2024-11-24 01:39:06,096 INFO  L78                 Accepts]: Start accepts. Automaton has 9777 states and 14657 transitions. Word has length 4825
[2024-11-24 01:39:06,107 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:39:06,107 INFO  L471      AbstractCegarLoop]: Abstraction has 9777 states and 14657 transitions.
[2024-11-24 01:39:06,112 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1206.25) internal successors, (4825), 4 states have internal predecessors, (4825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:06,112 INFO  L276                IsEmpty]: Start isEmpty. Operand 9777 states and 14657 transitions.
[2024-11-24 01:39:06,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4827
[2024-11-24 01:39:06,529 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:39:06,532 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:39:06,533 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 01:39:06,537 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:39:06,539 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:39:06,546 INFO  L85        PathProgramCache]: Analyzing trace with hash 1318159149, now seen corresponding path program 1 times
[2024-11-24 01:39:06,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:39:06,546 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423881334]
[2024-11-24 01:39:06,548 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:39:06,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:39:16,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:39:30,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:39:30,387 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:39:30,387 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423881334]
[2024-11-24 01:39:30,387 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423881334] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:39:30,388 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:39:30,388 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:39:30,388 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416443397]
[2024-11-24 01:39:30,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:39:30,396 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:39:30,397 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:39:30,404 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:39:30,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:39:30,411 INFO  L87              Difference]: Start difference. First operand 9777 states and 14657 transitions. Second operand  has 4 states, 4 states have (on average 1206.5) internal successors, (4826), 4 states have internal predecessors, (4826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:31,776 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:39:31,777 INFO  L93              Difference]: Finished difference Result 18175 states and 27246 transitions.
[2024-11-24 01:39:31,781 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:39:31,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1206.5) internal successors, (4826), 4 states have internal predecessors, (4826), 0 states have call successors, (0), 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 4826
[2024-11-24 01:39:31,785 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:39:31,820 INFO  L225             Difference]: With dead ends: 18175
[2024-11-24 01:39:31,820 INFO  L226             Difference]: Without dead ends: 9777
[2024-11-24 01:39:31,828 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:39:31,831 INFO  L435           NwaCegarLoop]: 12665 mSDtfsCounter, 11004 mSDsluCounter, 12657 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11004 SdHoareTripleChecker+Valid, 25322 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:39:31,832 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11004 Valid, 25322 Invalid, 729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 01:39:31,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9777 states.
[2024-11-24 01:39:32,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9777.
[2024-11-24 01:39:32,142 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9777 states, 9776 states have (on average 1.4991816693944353) internal successors, (14656), 9776 states have internal predecessors, (14656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:32,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 14656 transitions.
[2024-11-24 01:39:32,170 INFO  L78                 Accepts]: Start accepts. Automaton has 9777 states and 14656 transitions. Word has length 4826
[2024-11-24 01:39:32,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:39:32,176 INFO  L471      AbstractCegarLoop]: Abstraction has 9777 states and 14656 transitions.
[2024-11-24 01:39:32,178 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1206.5) internal successors, (4826), 4 states have internal predecessors, (4826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:32,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 9777 states and 14656 transitions.
[2024-11-24 01:39:32,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4828
[2024-11-24 01:39:32,610 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:39:32,617 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]
[2024-11-24 01:39:32,617 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:39:32,618 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:39:32,619 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:39:32,626 INFO  L85        PathProgramCache]: Analyzing trace with hash -210958078, now seen corresponding path program 1 times
[2024-11-24 01:39:32,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:39:32,626 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899942217]
[2024-11-24 01:39:32,632 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:39:32,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:39:40,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:39:54,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:39:54,981 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:39:54,981 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899942217]
[2024-11-24 01:39:54,981 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899942217] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:39:54,981 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:39:54,982 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:39:54,983 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008731702]
[2024-11-24 01:39:54,983 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:39:54,986 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:39:54,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:39:54,989 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:39:54,989 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:39:54,991 INFO  L87              Difference]: Start difference. First operand 9777 states and 14656 transitions. Second operand  has 6 states, 6 states have (on average 804.5) internal successors, (4827), 6 states have internal predecessors, (4827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:56,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:39:56,727 INFO  L93              Difference]: Finished difference Result 20760 states and 31121 transitions.
[2024-11-24 01:39:56,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:39:56,729 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 804.5) internal successors, (4827), 6 states have internal predecessors, (4827), 0 states have call successors, (0), 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 4827
[2024-11-24 01:39:56,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:39:56,756 INFO  L225             Difference]: With dead ends: 20760
[2024-11-24 01:39:56,760 INFO  L226             Difference]: Without dead ends: 9777
[2024-11-24 01:39:56,774 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:39:56,775 INFO  L435           NwaCegarLoop]: 12930 mSDtfsCounter, 18695 mSDsluCounter, 38158 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18695 SdHoareTripleChecker+Valid, 51088 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:39:56,776 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18695 Valid, 51088 Invalid, 1037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 01:39:56,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9777 states.
[2024-11-24 01:39:56,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9777.
[2024-11-24 01:39:56,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9777 states, 9776 states have (on average 1.4990793780687397) internal successors, (14655), 9776 states have internal predecessors, (14655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:56,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 14655 transitions.
[2024-11-24 01:39:56,948 INFO  L78                 Accepts]: Start accepts. Automaton has 9777 states and 14655 transitions. Word has length 4827
[2024-11-24 01:39:56,949 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:39:56,949 INFO  L471      AbstractCegarLoop]: Abstraction has 9777 states and 14655 transitions.
[2024-11-24 01:39:56,950 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 804.5) internal successors, (4827), 6 states have internal predecessors, (4827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:39:56,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 9777 states and 14655 transitions.
[2024-11-24 01:39:57,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4829
[2024-11-24 01:39:57,159 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:39:57,166 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]
[2024-11-24 01:39:57,166 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 01:39:57,167 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:39:57,168 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:39:57,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 882675583, now seen corresponding path program 1 times
[2024-11-24 01:39:57,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:39:57,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024527759]
[2024-11-24 01:39:57,175 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:39:57,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:39:58,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:40:08,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:40:08,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:40:08,629 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024527759]
[2024-11-24 01:40:08,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024527759] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:40:08,629 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:40:08,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:40:08,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017825314]
[2024-11-24 01:40:08,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:40:08,634 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:40:08,634 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:40:08,638 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:40:08,638 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:40:08,640 INFO  L87              Difference]: Start difference. First operand 9777 states and 14655 transitions. Second operand  has 4 states, 4 states have (on average 1207.0) internal successors, (4828), 4 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:10,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:40:10,416 INFO  L93              Difference]: Finished difference Result 20733 states and 31077 transitions.
[2024-11-24 01:40:10,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:40:10,418 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1207.0) internal successors, (4828), 4 states have internal predecessors, (4828), 0 states have call successors, (0), 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 4828
[2024-11-24 01:40:10,420 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:40:10,435 INFO  L225             Difference]: With dead ends: 20733
[2024-11-24 01:40:10,435 INFO  L226             Difference]: Without dead ends: 9777
[2024-11-24 01:40:10,445 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
[2024-11-24 01:40:10,446 INFO  L435           NwaCegarLoop]: 12869 mSDtfsCounter, 2454 mSDsluCounter, 25176 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 38045 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:40:10,446 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 38045 Invalid, 1110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [96 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 01:40:10,461 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9777 states.
[2024-11-24 01:40:10,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9777 to 9777.
[2024-11-24 01:40:10,584 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9777 states, 9776 states have (on average 1.498977086743044) internal successors, (14654), 9776 states have internal predecessors, (14654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:10,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 14654 transitions.
[2024-11-24 01:40:10,880 INFO  L78                 Accepts]: Start accepts. Automaton has 9777 states and 14654 transitions. Word has length 4828
[2024-11-24 01:40:10,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:40:10,882 INFO  L471      AbstractCegarLoop]: Abstraction has 9777 states and 14654 transitions.
[2024-11-24 01:40:10,883 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1207.0) internal successors, (4828), 4 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:10,883 INFO  L276                IsEmpty]: Start isEmpty. Operand 9777 states and 14654 transitions.
[2024-11-24 01:40:11,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4829
[2024-11-24 01:40:11,027 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:40:11,029 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:40:11,030 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 01:40:11,030 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:40:11,032 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:40:11,035 INFO  L85        PathProgramCache]: Analyzing trace with hash 1436812110, now seen corresponding path program 1 times
[2024-11-24 01:40:11,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:40:11,035 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462111111]
[2024-11-24 01:40:11,036 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:40:11,037 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:40:19,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:40:37,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:40:37,530 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:40:37,530 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462111111]
[2024-11-24 01:40:37,530 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462111111] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:40:37,530 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:40:37,531 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:40:37,532 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876387552]
[2024-11-24 01:40:37,532 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:40:37,539 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:40:37,539 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:40:37,546 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:40:37,546 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:40:37,548 INFO  L87              Difference]: Start difference. First operand 9777 states and 14654 transitions. Second operand  has 6 states, 6 states have (on average 804.6666666666666) internal successors, (4828), 6 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:40,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:40:40,571 INFO  L93              Difference]: Finished difference Result 18178 states and 27245 transitions.
[2024-11-24 01:40:40,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:40:40,572 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 804.6666666666666) internal successors, (4828), 6 states have internal predecessors, (4828), 0 states have call successors, (0), 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 4828
[2024-11-24 01:40:40,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:40:40,584 INFO  L225             Difference]: With dead ends: 18178
[2024-11-24 01:40:40,584 INFO  L226             Difference]: Without dead ends: 9783
[2024-11-24 01:40:40,590 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:40:40,591 INFO  L435           NwaCegarLoop]: 11959 mSDtfsCounter, 12313 mSDsluCounter, 11958 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12313 SdHoareTripleChecker+Valid, 23917 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-11-24 01:40:40,591 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12313 Valid, 23917 Invalid, 2127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-11-24 01:40:40,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9783 states.
[2024-11-24 01:40:40,699 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 9777.
[2024-11-24 01:40:40,709 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9777 states, 9776 states have (on average 1.4988747954173487) internal successors, (14653), 9776 states have internal predecessors, (14653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:40,723 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9777 states to 9777 states and 14653 transitions.
[2024-11-24 01:40:40,724 INFO  L78                 Accepts]: Start accepts. Automaton has 9777 states and 14653 transitions. Word has length 4828
[2024-11-24 01:40:40,725 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:40:40,725 INFO  L471      AbstractCegarLoop]: Abstraction has 9777 states and 14653 transitions.
[2024-11-24 01:40:40,726 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 804.6666666666666) internal successors, (4828), 6 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:40:40,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 9777 states and 14653 transitions.
[2024-11-24 01:40:40,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4830
[2024-11-24 01:40:40,984 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:40:40,986 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]
[2024-11-24 01:40:40,987 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 01:40:40,987 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:40:40,989 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:40:40,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 750092570, now seen corresponding path program 1 times
[2024-11-24 01:40:40,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:40:40,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418065789]
[2024-11-24 01:40:40,995 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:40:40,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:40:48,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:41:00,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:41:00,429 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:41:00,429 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418065789]
[2024-11-24 01:41:00,429 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418065789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:41:00,429 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:41:00,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:41:00,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198186949]
[2024-11-24 01:41:00,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:41:00,434 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:41:00,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:41:00,439 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:41:00,439 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:41:00,441 INFO  L87              Difference]: Start difference. First operand 9777 states and 14653 transitions. Second operand  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:01,098 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:41:01,098 INFO  L93              Difference]: Finished difference Result 18173 states and 27236 transitions.
[2024-11-24 01:41:01,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:41:01,100 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 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 4829
[2024-11-24 01:41:01,101 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:41:01,114 INFO  L225             Difference]: With dead ends: 18173
[2024-11-24 01:41:01,118 INFO  L226             Difference]: Without dead ends: 9778
[2024-11-24 01:41:01,127 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:41:01,131 INFO  L435           NwaCegarLoop]: 12970 mSDtfsCounter, 12302 mSDsluCounter, 25935 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12302 SdHoareTripleChecker+Valid, 38905 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 01:41:01,131 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12302 Valid, 38905 Invalid, 148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 01:41:01,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9778 states.
[2024-11-24 01:41:01,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9778 to 9778.
[2024-11-24 01:41:01,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9778 states, 9777 states have (on average 1.4988237700726195) internal successors, (14654), 9777 states have internal predecessors, (14654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:01,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 14654 transitions.
[2024-11-24 01:41:01,341 INFO  L78                 Accepts]: Start accepts. Automaton has 9778 states and 14654 transitions. Word has length 4829
[2024-11-24 01:41:01,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:41:01,342 INFO  L471      AbstractCegarLoop]: Abstraction has 9778 states and 14654 transitions.
[2024-11-24 01:41:01,343 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:01,343 INFO  L276                IsEmpty]: Start isEmpty. Operand 9778 states and 14654 transitions.
[2024-11-24 01:41:01,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4830
[2024-11-24 01:41:01,669 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:41:01,673 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:41:01,673 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 01:41:01,674 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:41:01,676 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:41:01,677 INFO  L85        PathProgramCache]: Analyzing trace with hash 934999258, now seen corresponding path program 1 times
[2024-11-24 01:41:01,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:41:01,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381883704]
[2024-11-24 01:41:01,679 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:41:01,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:41:09,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:41:23,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:41:23,010 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:41:23,010 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381883704]
[2024-11-24 01:41:23,010 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381883704] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:41:23,010 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:41:23,011 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:41:23,011 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863813854]
[2024-11-24 01:41:23,011 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:41:23,016 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:41:23,016 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:41:23,020 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:41:23,020 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:41:23,021 INFO  L87              Difference]: Start difference. First operand 9778 states and 14654 transitions. Second operand  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:24,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:41:24,152 INFO  L93              Difference]: Finished difference Result 18174 states and 27236 transitions.
[2024-11-24 01:41:24,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:41:24,154 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 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 4829
[2024-11-24 01:41:24,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:41:24,162 INFO  L225             Difference]: With dead ends: 18174
[2024-11-24 01:41:24,162 INFO  L226             Difference]: Without dead ends: 9778
[2024-11-24 01:41:24,167 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:41:24,168 INFO  L435           NwaCegarLoop]: 12615 mSDtfsCounter, 25283 mSDsluCounter, 12612 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25283 SdHoareTripleChecker+Valid, 25227 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 01:41:24,168 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25283 Valid, 25227 Invalid, 805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 01:41:24,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9778 states.
[2024-11-24 01:41:24,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9778 to 9778.
[2024-11-24 01:41:24,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9778 states, 9777 states have (on average 1.498721489209369) internal successors, (14653), 9777 states have internal predecessors, (14653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:24,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 14653 transitions.
[2024-11-24 01:41:24,373 INFO  L78                 Accepts]: Start accepts. Automaton has 9778 states and 14653 transitions. Word has length 4829
[2024-11-24 01:41:24,374 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:41:24,374 INFO  L471      AbstractCegarLoop]: Abstraction has 9778 states and 14653 transitions.
[2024-11-24 01:41:24,375 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 965.8) internal successors, (4829), 5 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:24,376 INFO  L276                IsEmpty]: Start isEmpty. Operand 9778 states and 14653 transitions.
[2024-11-24 01:41:24,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4831
[2024-11-24 01:41:24,627 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:41:24,631 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]
[2024-11-24 01:41:24,631 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:41:24,632 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:41:24,633 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:41:24,635 INFO  L85        PathProgramCache]: Analyzing trace with hash 1385609010, now seen corresponding path program 1 times
[2024-11-24 01:41:24,635 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:41:24,635 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295586109]
[2024-11-24 01:41:24,636 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:41:24,636 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:41:25,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:41:35,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:41:35,319 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:41:35,319 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295586109]
[2024-11-24 01:41:35,319 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295586109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:41:35,319 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:41:35,320 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:41:35,320 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980572749]
[2024-11-24 01:41:35,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:41:35,330 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:41:35,334 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:41:35,347 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:41:35,348 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:41:35,353 INFO  L87              Difference]: Start difference. First operand 9778 states and 14653 transitions. Second operand  has 4 states, 4 states have (on average 1207.5) internal successors, (4830), 4 states have internal predecessors, (4830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:37,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:41:37,285 INFO  L93              Difference]: Finished difference Result 20703 states and 31025 transitions.
[2024-11-24 01:41:37,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:41:37,287 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1207.5) internal successors, (4830), 4 states have internal predecessors, (4830), 0 states have call successors, (0), 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 4830
[2024-11-24 01:41:37,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:41:37,302 INFO  L225             Difference]: With dead ends: 20703
[2024-11-24 01:41:37,302 INFO  L226             Difference]: Without dead ends: 9778
[2024-11-24 01:41:37,313 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
[2024-11-24 01:41:37,314 INFO  L435           NwaCegarLoop]: 12872 mSDtfsCounter, 2426 mSDsluCounter, 25178 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2426 SdHoareTripleChecker+Valid, 38050 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:41:37,315 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2426 Valid, 38050 Invalid, 1092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [92 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 01:41:37,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9778 states.
[2024-11-24 01:41:37,530 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9778 to 9778.
[2024-11-24 01:41:37,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9778 states, 9777 states have (on average 1.4986192083461185) internal successors, (14652), 9777 states have internal predecessors, (14652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:37,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 14652 transitions.
[2024-11-24 01:41:37,560 INFO  L78                 Accepts]: Start accepts. Automaton has 9778 states and 14652 transitions. Word has length 4830
[2024-11-24 01:41:37,562 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:41:37,563 INFO  L471      AbstractCegarLoop]: Abstraction has 9778 states and 14652 transitions.
[2024-11-24 01:41:37,565 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1207.5) internal successors, (4830), 4 states have internal predecessors, (4830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:37,565 INFO  L276                IsEmpty]: Start isEmpty. Operand 9778 states and 14652 transitions.
[2024-11-24 01:41:38,035 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4831
[2024-11-24 01:41:38,035 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:41:38,038 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]
[2024-11-24 01:41:38,038 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 01:41:38,039 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:41:38,040 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:41:38,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 1816504577, now seen corresponding path program 1 times
[2024-11-24 01:41:38,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:41:38,043 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256700543]
[2024-11-24 01:41:38,045 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:41:38,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:41:42,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:41:53,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:41:53,412 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:41:53,412 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256700543]
[2024-11-24 01:41:53,412 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256700543] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:41:53,412 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:41:53,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:41:53,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250201034]
[2024-11-24 01:41:53,413 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:41:53,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:41:53,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:41:53,421 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:41:53,421 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:41:53,423 INFO  L87              Difference]: Start difference. First operand 9778 states and 14652 transitions. Second operand  has 5 states, 5 states have (on average 966.0) internal successors, (4830), 5 states have internal predecessors, (4830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:55,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:41:55,268 INFO  L93              Difference]: Finished difference Result 18174 states and 27232 transitions.
[2024-11-24 01:41:55,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:41:55,270 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 966.0) internal successors, (4830), 5 states have internal predecessors, (4830), 0 states have call successors, (0), 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 4830
[2024-11-24 01:41:55,270 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:41:55,276 INFO  L225             Difference]: With dead ends: 18174
[2024-11-24 01:41:55,276 INFO  L226             Difference]: Without dead ends: 9778
[2024-11-24 01:41:55,282 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:41:55,283 INFO  L435           NwaCegarLoop]: 12313 mSDtfsCounter, 25990 mSDsluCounter, 12308 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25990 SdHoareTripleChecker+Valid, 24621 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:41:55,283 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25990 Valid, 24621 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-24 01:41:55,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9778 states.
[2024-11-24 01:41:55,376 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9778 to 9778.
[2024-11-24 01:41:55,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9778 states, 9777 states have (on average 1.498516927482868) internal successors, (14651), 9777 states have internal predecessors, (14651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:55,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9778 states to 9778 states and 14651 transitions.
[2024-11-24 01:41:55,399 INFO  L78                 Accepts]: Start accepts. Automaton has 9778 states and 14651 transitions. Word has length 4830
[2024-11-24 01:41:55,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:41:55,399 INFO  L471      AbstractCegarLoop]: Abstraction has 9778 states and 14651 transitions.
[2024-11-24 01:41:55,401 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 966.0) internal successors, (4830), 5 states have internal predecessors, (4830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:41:55,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 9778 states and 14651 transitions.
[2024-11-24 01:41:55,583 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4832
[2024-11-24 01:41:55,583 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:41:55,585 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:41:55,585 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-24 01:41:55,585 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:41:55,587 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:41:55,589 INFO  L85        PathProgramCache]: Analyzing trace with hash -1457858478, now seen corresponding path program 1 times
[2024-11-24 01:41:55,589 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:41:55,589 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731640861]
[2024-11-24 01:41:55,590 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:41:55,590 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:42:01,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:42:13,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 548 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:42:13,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:42:13,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731640861]
[2024-11-24 01:42:13,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731640861] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:42:13,057 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:42:13,057 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:42:13,057 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678259120]
[2024-11-24 01:42:13,058 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:42:13,061 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:42:13,061 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:42:13,065 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:42:13,065 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:42:13,067 INFO  L87              Difference]: Start difference. First operand 9778 states and 14651 transitions. Second operand  has 5 states, 5 states have (on average 966.2) internal successors, (4831), 5 states have internal predecessors, (4831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:42:13,339 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:42:13,339 INFO  L93              Difference]: Finished difference Result 18175 states and 27232 transitions.
[2024-11-24 01:42:13,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:42:13,341 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 966.2) internal successors, (4831), 5 states have internal predecessors, (4831), 0 states have call successors, (0), 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 4831
[2024-11-24 01:42:13,342 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:42:13,348 INFO  L225             Difference]: With dead ends: 18175
[2024-11-24 01:42:13,348 INFO  L226             Difference]: Without dead ends: 9779
[2024-11-24 01:42:13,353 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:42:13,354 INFO  L435           NwaCegarLoop]: 12967 mSDtfsCounter, 12281 mSDsluCounter, 25929 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12281 SdHoareTripleChecker+Valid, 38896 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:42:13,354 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12281 Valid, 38896 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:42:13,363 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9779 states.
[2024-11-24 01:42:13,893 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9779 to 9779.
[2024-11-24 01:42:13,903 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9779 states, 9778 states have (on average 1.4984659439558192) internal successors, (14652), 9778 states have internal predecessors, (14652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:42:13,917 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 14652 transitions.
[2024-11-24 01:42:13,917 INFO  L78                 Accepts]: Start accepts. Automaton has 9779 states and 14652 transitions. Word has length 4831
[2024-11-24 01:42:13,918 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:42:13,919 INFO  L471      AbstractCegarLoop]: Abstraction has 9779 states and 14652 transitions.
[2024-11-24 01:42:13,920 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 966.2) internal successors, (4831), 5 states have internal predecessors, (4831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:42:13,920 INFO  L276                IsEmpty]: Start isEmpty. Operand 9779 states and 14652 transitions.
[2024-11-24 01:42:14,020 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4832
[2024-11-24 01:42:14,020 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:42:14,022 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-24 01:42:14,022 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-24 01:42:14,022 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:42:14,024 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:42:14,026 INFO  L85        PathProgramCache]: Analyzing trace with hash 1056951314, now seen corresponding path program 1 times
[2024-11-24 01:42:14,026 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:42:14,026 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788861050]
[2024-11-24 01:42:14,027 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:42:14,027 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms