./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1 --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 616cd3ed4e06c80d726802186ece4e70793e0b78bc3b22898965debb2b22ba59
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:13:21,839 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:13:21,893 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 07:13:21,898 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:13:21,898 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:13:21,919 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:13:21,919 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:13:21,920 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:13:21,920 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:13:21,920 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 07:13:21,920 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:13:21,920 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:13:21,921 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:13:21,921 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 07:13:21,921 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 07:13:21,921 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:13:21,921 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:13:21,921 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:13:21,922 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 07:13:21,922 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:13:21,923 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:13:21,923 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:13:21,923 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:13:21,924 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:13:21,924 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_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1
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 -> 616cd3ed4e06c80d726802186ece4e70793e0b78bc3b22898965debb2b22ba59
[2024-12-02 07:13:22,129 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:13:22,136 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:13:22,138 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:13:22,139 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 07:13:22,139 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 07:13:22,140 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c
[2024-12-02 07:13:24,720 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/data/b87c1f249/7ea9c1d84d4e4006ac933e05d88cf7a0/FLAGa89f852b3
[2024-12-02 07:13:25,122 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 07:13:25,122 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c
[2024-12-02 07:13:25,155 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/data/b87c1f249/7ea9c1d84d4e4006ac933e05d88cf7a0/FLAGa89f852b3
[2024-12-02 07:13:25,303 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/data/b87c1f249/7ea9c1d84d4e4006ac933e05d88cf7a0
[2024-12-02 07:13:25,305 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:13:25,306 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:13:25,308 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:13:25,308 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:13:25,312 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:13:25,312 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:25" (1/1) ...
[2024-12-02 07:13:25,313 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66471c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:25, skipping insertion in model container
[2024-12-02 07:13:25,313 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:25" (1/1) ...
[2024-12-02 07:13:25,410 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:13:25,623 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_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c[1174,1187]
[2024-12-02 07:13:26,205 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:13:26,216 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 07:13:26,226 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_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-func-interl.c[1174,1187]
[2024-12-02 07:13:26,772 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:13:26,785 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 07:13:26,785 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26 WrapperNode
[2024-12-02 07:13:26,785 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:13:26,786 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:13:26,786 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:13:26,787 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:13:26,792 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:26,935 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:28,795 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27033
[2024-12-02 07:13:28,796 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:13:28,797 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:13:28,797 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:13:28,797 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:13:28,804 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:28,805 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:29,365 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:29,677 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].
[2024-12-02 07:13:29,678 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:29,678 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:30,226 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:30,269 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:30,368 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:30,490 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:30,576 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:31,097 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:13:31,098 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:13:31,098 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:13:31,098 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:13:31,099 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (1/1) ...
[2024-12-02 07:13:31,111 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:13:31,138 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:13:31,152 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:13:31,160 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2090b6-67e4-4f0c-aa8a-052d6203ab66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:13:31,181 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:13:31,181 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:13:31,181 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:13:31,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:13:32,233 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 07:13:32,235 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:14:44,953 INFO  L?                        ?]: Removed 14604 outVars from TransFormulas that were not future-live.
[2024-12-02 07:14:44,953 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 07:14:45,049 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:14:45,049 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 07:14:45,050 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:45 BoogieIcfgContainer
[2024-12-02 07:14:45,050 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:14:45,052 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:14:45,052 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:14:45,056 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:14:45,056 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:13:25" (1/3) ...
[2024-12-02 07:14:45,057 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e0d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:45, skipping insertion in model container
[2024-12-02 07:14:45,057 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:26" (2/3) ...
[2024-12-02 07:14:45,057 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e0d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:45, skipping insertion in model container
[2024-12-02 07:14:45,058 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:45" (3/3) ...
[2024-12-02 07:14:45,059 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.4.prop4-func-interl.c
[2024-12-02 07:14:45,073 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:14:45,075 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.4.prop4-func-interl.c that has 1 procedures, 9850 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 07:14:45,268 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:14:45,280 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;@30925d87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:14:45,281 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:14:45,307 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 9850 states, 9848 states have (on average 1.5035540211210399) internal successors, (14807), 9849 states have internal predecessors, (14807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:45,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 416
[2024-12-02 07:14:45,331 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:45,332 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]
[2024-12-02 07:14:45,332 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:45,337 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:45,338 INFO  L85        PathProgramCache]: Analyzing trace with hash 700534655, now seen corresponding path program 1 times
[2024-12-02 07:14:45,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:45,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380801004]
[2024-12-02 07:14:45,345 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:45,346 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:45,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:47,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:47,105 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:47,106 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380801004]
[2024-12-02 07:14:47,106 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380801004] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:47,106 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:47,107 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:14:47,108 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487123095]
[2024-12-02 07:14:47,109 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:47,113 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:14:47,113 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:47,133 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:14:47,134 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:14:47,149 INFO  L87              Difference]: Start difference. First operand  has 9850 states, 9848 states have (on average 1.5035540211210399) internal successors, (14807), 9849 states have internal predecessors, (14807), 0 states have call successors, (0), 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 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:47,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:47,665 INFO  L93              Difference]: Finished difference Result 19421 states and 29199 transitions.
[2024-12-02 07:14:47,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:14:47,668 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 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 415
[2024-12-02 07:14:47,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:47,714 INFO  L225             Difference]: With dead ends: 19421
[2024-12-02 07:14:47,715 INFO  L226             Difference]: Without dead ends: 9849
[2024-12-02 07:14:47,728 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
[2024-12-02 07:14:47,731 INFO  L435           NwaCegarLoop]: 14801 mSDtfsCounter, 0 mSDsluCounter, 29596 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44397 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:47,732 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44397 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:47,761 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9849 states.
[2024-12-02 07:14:47,953 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9849 to 9849.
[2024-12-02 07:14:47,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9849 states, 9848 states have (on average 1.5033509341998375) internal successors, (14805), 9848 states have internal predecessors, (14805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:48,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 14805 transitions.
[2024-12-02 07:14:48,015 INFO  L78                 Accepts]: Start accepts. Automaton has 9849 states and 14805 transitions. Word has length 415
[2024-12-02 07:14:48,017 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:48,017 INFO  L471      AbstractCegarLoop]: Abstraction has 9849 states and 14805 transitions.
[2024-12-02 07:14:48,018 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:48,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 9849 states and 14805 transitions.
[2024-12-02 07:14:48,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 417
[2024-12-02 07:14:48,026 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:48,027 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]
[2024-12-02 07:14:48,027 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:14:48,027 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:48,028 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:48,028 INFO  L85        PathProgramCache]: Analyzing trace with hash 243435670, now seen corresponding path program 1 times
[2024-12-02 07:14:48,028 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:48,028 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192864094]
[2024-12-02 07:14:48,028 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:48,028 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:48,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:48,935 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:48,935 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:48,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192864094]
[2024-12-02 07:14:48,936 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192864094] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:48,936 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:48,936 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:14:48,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74670460]
[2024-12-02 07:14:48,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:48,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:14:48,938 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:48,938 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:14:48,938 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:14:48,939 INFO  L87              Difference]: Start difference. First operand 9849 states and 14805 transitions. Second operand  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:49,250 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:49,250 INFO  L93              Difference]: Finished difference Result 19422 states and 29197 transitions.
[2024-12-02 07:14:49,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:14:49,251 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 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 416
[2024-12-02 07:14:49,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:49,288 INFO  L225             Difference]: With dead ends: 19422
[2024-12-02 07:14:49,288 INFO  L226             Difference]: Without dead ends: 9851
[2024-12-02 07:14:49,298 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
[2024-12-02 07:14:49,299 INFO  L435           NwaCegarLoop]: 14801 mSDtfsCounter, 0 mSDsluCounter, 29592 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44393 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:49,299 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44393 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:49,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9851 states.
[2024-12-02 07:14:49,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9851 to 9851.
[2024-12-02 07:14:49,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9851 states, 9850 states have (on average 1.503248730964467) internal successors, (14807), 9850 states have internal predecessors, (14807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:49,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9851 states to 9851 states and 14807 transitions.
[2024-12-02 07:14:49,535 INFO  L78                 Accepts]: Start accepts. Automaton has 9851 states and 14807 transitions. Word has length 416
[2024-12-02 07:14:49,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:49,536 INFO  L471      AbstractCegarLoop]: Abstraction has 9851 states and 14807 transitions.
[2024-12-02 07:14:49,536 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:49,536 INFO  L276                IsEmpty]: Start isEmpty. Operand 9851 states and 14807 transitions.
[2024-12-02 07:14:49,544 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 418
[2024-12-02 07:14:49,544 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:49,544 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]
[2024-12-02 07:14:49,544 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:14:49,544 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:49,545 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:49,545 INFO  L85        PathProgramCache]: Analyzing trace with hash -2141392072, now seen corresponding path program 1 times
[2024-12-02 07:14:49,545 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:49,545 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490548512]
[2024-12-02 07:14:49,545 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:49,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:49,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:50,393 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:50,394 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:50,394 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490548512]
[2024-12-02 07:14:50,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490548512] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:50,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:50,394 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:14:50,394 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049845253]
[2024-12-02 07:14:50,394 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:50,395 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:14:50,395 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:50,396 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:14:50,396 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:14:50,396 INFO  L87              Difference]: Start difference. First operand 9851 states and 14807 transitions. Second operand  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:50,764 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:50,764 INFO  L93              Difference]: Finished difference Result 19430 states and 29207 transitions.
[2024-12-02 07:14:50,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 07:14:50,765 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 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 417
[2024-12-02 07:14:50,766 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:50,795 INFO  L225             Difference]: With dead ends: 19430
[2024-12-02 07:14:50,796 INFO  L226             Difference]: Without dead ends: 9857
[2024-12-02 07:14:50,806 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:14:50,807 INFO  L435           NwaCegarLoop]: 14800 mSDtfsCounter, 4 mSDsluCounter, 44388 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59188 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:50,807 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59188 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:14:50,822 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9857 states.
[2024-12-02 07:14:51,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9857 to 9857.
[2024-12-02 07:14:51,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9857 states, 9856 states have (on average 1.5031452922077921) internal successors, (14815), 9856 states have internal predecessors, (14815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:51,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9857 states to 9857 states and 14815 transitions.
[2024-12-02 07:14:51,128 INFO  L78                 Accepts]: Start accepts. Automaton has 9857 states and 14815 transitions. Word has length 417
[2024-12-02 07:14:51,129 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:51,129 INFO  L471      AbstractCegarLoop]: Abstraction has 9857 states and 14815 transitions.
[2024-12-02 07:14:51,129 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:51,129 INFO  L276                IsEmpty]: Start isEmpty. Operand 9857 states and 14815 transitions.
[2024-12-02 07:14:51,137 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 419
[2024-12-02 07:14:51,137 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:51,137 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]
[2024-12-02 07:14:51,137 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:14:51,138 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:51,138 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:51,138 INFO  L85        PathProgramCache]: Analyzing trace with hash -904585180, now seen corresponding path program 1 times
[2024-12-02 07:14:51,138 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:51,138 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598404430]
[2024-12-02 07:14:51,139 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:51,139 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:51,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:51,834 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:51,834 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:51,834 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598404430]
[2024-12-02 07:14:51,834 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598404430] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:51,834 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:51,835 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:14:51,835 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149395942]
[2024-12-02 07:14:51,835 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:51,835 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:14:51,835 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:51,836 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:14:51,836 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:14:51,836 INFO  L87              Difference]: Start difference. First operand 9857 states and 14815 transitions. Second operand  has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:52,062 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:52,062 INFO  L93              Difference]: Finished difference Result 19440 states and 29219 transitions.
[2024-12-02 07:14:52,063 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 07:14:52,063 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 0 states have call successors, (0), 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 418
[2024-12-02 07:14:52,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:52,077 INFO  L225             Difference]: With dead ends: 19440
[2024-12-02 07:14:52,077 INFO  L226             Difference]: Without dead ends: 9861
[2024-12-02 07:14:52,085 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
[2024-12-02 07:14:52,086 INFO  L435           NwaCegarLoop]: 14801 mSDtfsCounter, 0 mSDsluCounter, 44375 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59176 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:52,086 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59176 Invalid, 36 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:14:52,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9861 states.
[2024-12-02 07:14:52,186 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 9857.
[2024-12-02 07:14:52,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9857 states, 9856 states have (on average 1.5031452922077921) internal successors, (14815), 9856 states have internal predecessors, (14815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:52,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9857 states to 9857 states and 14815 transitions.
[2024-12-02 07:14:52,210 INFO  L78                 Accepts]: Start accepts. Automaton has 9857 states and 14815 transitions. Word has length 418
[2024-12-02 07:14:52,210 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:52,211 INFO  L471      AbstractCegarLoop]: Abstraction has 9857 states and 14815 transitions.
[2024-12-02 07:14:52,211 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:52,211 INFO  L276                IsEmpty]: Start isEmpty. Operand 9857 states and 14815 transitions.
[2024-12-02 07:14:52,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 420
[2024-12-02 07:14:52,215 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:52,215 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]
[2024-12-02 07:14:52,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:14:52,216 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:52,216 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:52,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -1363447311, now seen corresponding path program 1 times
[2024-12-02 07:14:52,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:52,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235201061]
[2024-12-02 07:14:52,217 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:52,217 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:52,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:52,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:52,935 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:52,935 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235201061]
[2024-12-02 07:14:52,935 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235201061] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:52,935 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:52,935 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:14:52,935 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751132950]
[2024-12-02 07:14:52,935 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:52,936 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:14:52,936 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:52,937 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:14:52,937 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:14:52,937 INFO  L87              Difference]: Start difference. First operand 9857 states and 14815 transitions. Second operand  has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:53,316 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:53,316 INFO  L93              Difference]: Finished difference Result 28141 states and 42304 transitions.
[2024-12-02 07:14:53,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 07:14:53,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 0 states have call successors, (0), 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 419
[2024-12-02 07:14:53,317 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:53,353 INFO  L225             Difference]: With dead ends: 28141
[2024-12-02 07:14:53,354 INFO  L226             Difference]: Without dead ends: 18562
[2024-12-02 07:14:53,367 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
[2024-12-02 07:14:53,367 INFO  L435           NwaCegarLoop]: 14797 mSDtfsCounter, 13100 mSDsluCounter, 43970 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13100 SdHoareTripleChecker+Valid, 58767 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:53,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13100 Valid, 58767 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 07:14:53,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18562 states.
[2024-12-02 07:14:53,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18562 to 10394.
[2024-12-02 07:14:53,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10394 states, 10393 states have (on average 1.502934667564707) internal successors, (15620), 10393 states have internal predecessors, (15620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:53,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10394 states to 10394 states and 15620 transitions.
[2024-12-02 07:14:53,603 INFO  L78                 Accepts]: Start accepts. Automaton has 10394 states and 15620 transitions. Word has length 419
[2024-12-02 07:14:53,604 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:53,604 INFO  L471      AbstractCegarLoop]: Abstraction has 10394 states and 15620 transitions.
[2024-12-02 07:14:53,604 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:53,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 10394 states and 15620 transitions.
[2024-12-02 07:14:53,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:14:53,904 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:14:53,907 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:14:53,908 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:14:53,908 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:53,910 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:53,913 INFO  L85        PathProgramCache]: Analyzing trace with hash -2112444945, now seen corresponding path program 1 times
[2024-12-02 07:14:53,913 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:53,913 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988504541]
[2024-12-02 07:14:53,915 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:53,915 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:15:00,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:15:08,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:15:08,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:15:08,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988504541]
[2024-12-02 07:15:08,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988504541] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:15:08,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:15:08,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:15:08,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249683890]
[2024-12-02 07:15:08,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:15:08,906 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:15:08,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:15:08,910 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:15:08,910 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:08,911 INFO  L87              Difference]: Start difference. First operand 10394 states and 15620 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:09,219 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:15:09,220 INFO  L93              Difference]: Finished difference Result 19974 states and 30021 transitions.
[2024-12-02 07:15:09,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:15:09,221 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:15:09,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:15:09,232 INFO  L225             Difference]: With dead ends: 19974
[2024-12-02 07:15:09,232 INFO  L226             Difference]: Without dead ends: 10395
[2024-12-02 07:15:09,235 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:09,236 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:15:09,236 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:15:09,246 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10395 states.
[2024-12-02 07:15:09,312 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10395 to 10395.
[2024-12-02 07:15:09,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10395 states, 10394 states have (on average 1.5028862805464691) internal successors, (15621), 10394 states have internal predecessors, (15621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:09,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 15621 transitions.
[2024-12-02 07:15:09,330 INFO  L78                 Accepts]: Start accepts. Automaton has 10395 states and 15621 transitions. Word has length 5064
[2024-12-02 07:15:09,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:15:09,331 INFO  L471      AbstractCegarLoop]: Abstraction has 10395 states and 15621 transitions.
[2024-12-02 07:15:09,332 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:09,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 10395 states and 15621 transitions.
[2024-12-02 07:15:09,500 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:15:09,500 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:15:09,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:15:09,503 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:15:09,503 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:15:09,504 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:15:09,507 INFO  L85        PathProgramCache]: Analyzing trace with hash -1227537056, now seen corresponding path program 1 times
[2024-12-02 07:15:09,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:15:09,507 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793361558]
[2024-12-02 07:15:09,508 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:15:09,508 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:15:15,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:15:23,886 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:15:23,886 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:15:23,886 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793361558]
[2024-12-02 07:15:23,886 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793361558] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:15:23,886 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:15:23,887 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:15:23,887 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386050436]
[2024-12-02 07:15:23,887 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:15:23,889 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:15:23,889 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:15:23,891 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:15:23,891 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:23,893 INFO  L87              Difference]: Start difference. First operand 10395 states and 15621 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:23,982 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:15:23,983 INFO  L93              Difference]: Finished difference Result 19976 states and 30023 transitions.
[2024-12-02 07:15:23,983 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:15:23,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:15:23,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:15:23,993 INFO  L225             Difference]: With dead ends: 19976
[2024-12-02 07:15:23,993 INFO  L226             Difference]: Without dead ends: 10396
[2024-12-02 07:15:23,999 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:24,000 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:15:24,000 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:15:24,009 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10396 states.
[2024-12-02 07:15:24,079 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10396 to 10396.
[2024-12-02 07:15:24,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10396 states, 10395 states have (on average 1.5028379028379029) internal successors, (15622), 10395 states have internal predecessors, (15622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:24,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10396 states to 10396 states and 15622 transitions.
[2024-12-02 07:15:24,097 INFO  L78                 Accepts]: Start accepts. Automaton has 10396 states and 15622 transitions. Word has length 5064
[2024-12-02 07:15:24,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:15:24,098 INFO  L471      AbstractCegarLoop]: Abstraction has 10396 states and 15622 transitions.
[2024-12-02 07:15:24,099 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:24,099 INFO  L276                IsEmpty]: Start isEmpty. Operand 10396 states and 15622 transitions.
[2024-12-02 07:15:24,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:15:24,329 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:15:24,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:15:24,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:15:24,332 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:15:24,333 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:15:24,336 INFO  L85        PathProgramCache]: Analyzing trace with hash 1913764175, now seen corresponding path program 1 times
[2024-12-02 07:15:24,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:15:24,336 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524514238]
[2024-12-02 07:15:24,337 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:15:24,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:15:29,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:15:37,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:15:37,679 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:15:37,679 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524514238]
[2024-12-02 07:15:37,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524514238] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:15:37,680 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:15:37,680 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:15:37,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210649261]
[2024-12-02 07:15:37,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:15:37,682 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:15:37,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:15:37,684 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:15:37,684 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:37,686 INFO  L87              Difference]: Start difference. First operand 10396 states and 15622 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:37,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:15:37,768 INFO  L93              Difference]: Finished difference Result 19978 states and 30025 transitions.
[2024-12-02 07:15:37,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:15:37,769 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:15:37,770 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:15:37,780 INFO  L225             Difference]: With dead ends: 19978
[2024-12-02 07:15:37,780 INFO  L226             Difference]: Without dead ends: 10397
[2024-12-02 07:15:37,785 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:37,786 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:15:37,786 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:15:37,795 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10397 states.
[2024-12-02 07:15:37,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10397 to 10397.
[2024-12-02 07:15:37,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10397 states, 10396 states have (on average 1.5027895344363216) internal successors, (15623), 10396 states have internal predecessors, (15623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:37,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10397 states to 10397 states and 15623 transitions.
[2024-12-02 07:15:37,876 INFO  L78                 Accepts]: Start accepts. Automaton has 10397 states and 15623 transitions. Word has length 5064
[2024-12-02 07:15:37,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:15:37,877 INFO  L471      AbstractCegarLoop]: Abstraction has 10397 states and 15623 transitions.
[2024-12-02 07:15:37,878 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:37,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 10397 states and 15623 transitions.
[2024-12-02 07:15:37,979 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:15:37,979 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:15:37,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:15:37,980 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 07:15:37,981 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:15:37,982 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:15:37,984 INFO  L85        PathProgramCache]: Analyzing trace with hash 657811136, now seen corresponding path program 1 times
[2024-12-02 07:15:37,984 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:15:37,984 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608827456]
[2024-12-02 07:15:37,985 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:15:37,985 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:15:43,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:15:49,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:15:49,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:15:49,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608827456]
[2024-12-02 07:15:49,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608827456] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:15:49,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:15:49,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:15:49,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630636255]
[2024-12-02 07:15:49,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:15:49,802 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:15:49,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:15:49,805 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:15:49,805 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:49,806 INFO  L87              Difference]: Start difference. First operand 10397 states and 15623 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:49,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:15:49,892 INFO  L93              Difference]: Finished difference Result 19980 states and 30027 transitions.
[2024-12-02 07:15:49,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:15:49,894 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:15:49,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:15:49,901 INFO  L225             Difference]: With dead ends: 19980
[2024-12-02 07:15:49,902 INFO  L226             Difference]: Without dead ends: 10398
[2024-12-02 07:15:49,907 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:15:49,907 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:15:49,908 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:15:49,916 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10398 states.
[2024-12-02 07:15:49,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10398 to 10398.
[2024-12-02 07:15:50,009 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10398 states, 10397 states have (on average 1.50274117533904) internal successors, (15624), 10397 states have internal predecessors, (15624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:50,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10398 states to 10398 states and 15624 transitions.
[2024-12-02 07:15:50,021 INFO  L78                 Accepts]: Start accepts. Automaton has 10398 states and 15624 transitions. Word has length 5064
[2024-12-02 07:15:50,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:15:50,022 INFO  L471      AbstractCegarLoop]: Abstraction has 10398 states and 15624 transitions.
[2024-12-02 07:15:50,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:15:50,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 10398 states and 15624 transitions.
[2024-12-02 07:15:50,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:15:50,128 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:15:50,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:15:50,130 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 07:15:50,130 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:15:50,131 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:15:50,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 1778512879, now seen corresponding path program 1 times
[2024-12-02 07:15:50,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:15:50,132 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160259144]
[2024-12-02 07:15:50,133 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:15:50,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:15:55,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:16:05,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:16:05,172 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:16:05,172 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160259144]
[2024-12-02 07:16:05,172 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160259144] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:16:05,172 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:16:05,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:16:05,173 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948486107]
[2024-12-02 07:16:05,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:16:05,175 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:16:05,176 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:16:05,178 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:16:05,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:05,178 INFO  L87              Difference]: Start difference. First operand 10398 states and 15624 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:05,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:16:05,259 INFO  L93              Difference]: Finished difference Result 19982 states and 30029 transitions.
[2024-12-02 07:16:05,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:16:05,260 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:16:05,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:16:05,270 INFO  L225             Difference]: With dead ends: 19982
[2024-12-02 07:16:05,270 INFO  L226             Difference]: Without dead ends: 10399
[2024-12-02 07:16:05,277 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:05,279 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:16:05,282 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:16:05,293 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10399 states.
[2024-12-02 07:16:05,378 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10399 to 10399.
[2024-12-02 07:16:05,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10399 states, 10398 states have (on average 1.5026928255433738) internal successors, (15625), 10398 states have internal predecessors, (15625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:05,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10399 states to 10399 states and 15625 transitions.
[2024-12-02 07:16:05,399 INFO  L78                 Accepts]: Start accepts. Automaton has 10399 states and 15625 transitions. Word has length 5064
[2024-12-02 07:16:05,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:16:05,400 INFO  L471      AbstractCegarLoop]: Abstraction has 10399 states and 15625 transitions.
[2024-12-02 07:16:05,401 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:05,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 10399 states and 15625 transitions.
[2024-12-02 07:16:05,670 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:16:05,670 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:16:05,672 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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]
[2024-12-02 07:16:05,673 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 07:16:05,674 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:16:05,676 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:16:05,678 INFO  L85        PathProgramCache]: Analyzing trace with hash 1421089056, now seen corresponding path program 1 times
[2024-12-02 07:16:05,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:16:05,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301999290]
[2024-12-02 07:16:05,679 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:16:05,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:16:10,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:16:18,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:16:18,226 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:16:18,226 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301999290]
[2024-12-02 07:16:18,226 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301999290] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:16:18,226 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:16:18,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:16:18,226 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093439329]
[2024-12-02 07:16:18,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:16:18,229 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:16:18,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:16:18,233 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:16:18,233 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:18,234 INFO  L87              Difference]: Start difference. First operand 10399 states and 15625 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:18,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:16:18,313 INFO  L93              Difference]: Finished difference Result 19984 states and 30031 transitions.
[2024-12-02 07:16:18,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:16:18,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:16:18,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:16:18,322 INFO  L225             Difference]: With dead ends: 19984
[2024-12-02 07:16:18,322 INFO  L226             Difference]: Without dead ends: 10400
[2024-12-02 07:16:18,328 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:18,328 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:16:18,328 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:16:18,337 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10400 states.
[2024-12-02 07:16:18,570 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10400 to 10400.
[2024-12-02 07:16:18,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10400 states, 10399 states have (on average 1.5026444850466392) internal successors, (15626), 10399 states have internal predecessors, (15626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:18,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10400 states to 10400 states and 15626 transitions.
[2024-12-02 07:16:18,585 INFO  L78                 Accepts]: Start accepts. Automaton has 10400 states and 15626 transitions. Word has length 5064
[2024-12-02 07:16:18,586 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:16:18,586 INFO  L471      AbstractCegarLoop]: Abstraction has 10400 states and 15626 transitions.
[2024-12-02 07:16:18,587 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:18,587 INFO  L276                IsEmpty]: Start isEmpty. Operand 10400 states and 15626 transitions.
[2024-12-02 07:16:18,684 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:16:18,684 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:16:18,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:16:18,686 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 07:16:18,686 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:16:18,687 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:16:18,688 INFO  L85        PathProgramCache]: Analyzing trace with hash 1210293457, now seen corresponding path program 1 times
[2024-12-02 07:16:18,688 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:16:18,688 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933504173]
[2024-12-02 07:16:18,689 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:16:18,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:16:23,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:16:31,437 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:16:31,437 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:16:31,437 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933504173]
[2024-12-02 07:16:31,437 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933504173] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:16:31,437 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:16:31,438 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:16:31,438 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216585025]
[2024-12-02 07:16:31,438 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:16:31,440 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:16:31,440 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:16:31,442 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:16:31,442 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:31,443 INFO  L87              Difference]: Start difference. First operand 10400 states and 15626 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:31,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:16:31,522 INFO  L93              Difference]: Finished difference Result 19986 states and 30033 transitions.
[2024-12-02 07:16:31,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:16:31,524 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:16:31,525 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:16:31,531 INFO  L225             Difference]: With dead ends: 19986
[2024-12-02 07:16:31,531 INFO  L226             Difference]: Without dead ends: 10401
[2024-12-02 07:16:31,536 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:31,537 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:16:31,537 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:16:31,545 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10401 states.
[2024-12-02 07:16:31,601 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10401 to 10401.
[2024-12-02 07:16:31,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10401 states, 10400 states have (on average 1.5025961538461539) internal successors, (15627), 10400 states have internal predecessors, (15627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:31,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10401 states to 10401 states and 15627 transitions.
[2024-12-02 07:16:31,617 INFO  L78                 Accepts]: Start accepts. Automaton has 10401 states and 15627 transitions. Word has length 5064
[2024-12-02 07:16:31,618 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:16:31,618 INFO  L471      AbstractCegarLoop]: Abstraction has 10401 states and 15627 transitions.
[2024-12-02 07:16:31,619 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:31,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 10401 states and 15627 transitions.
[2024-12-02 07:16:31,825 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:16:31,825 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:16:31,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:16:31,827 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 07:16:31,827 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:16:31,828 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:16:31,829 INFO  L85        PathProgramCache]: Analyzing trace with hash 177694210, now seen corresponding path program 1 times
[2024-12-02 07:16:31,829 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:16:31,829 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863376929]
[2024-12-02 07:16:31,830 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:16:31,830 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:16:36,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:16:45,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:16:45,026 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:16:45,026 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863376929]
[2024-12-02 07:16:45,026 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863376929] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:16:45,026 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:16:45,027 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:16:45,027 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002921571]
[2024-12-02 07:16:45,027 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:16:45,028 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:16:45,029 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:16:45,030 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:16:45,030 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:45,031 INFO  L87              Difference]: Start difference. First operand 10401 states and 15627 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:45,109 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:16:45,109 INFO  L93              Difference]: Finished difference Result 19988 states and 30035 transitions.
[2024-12-02 07:16:45,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:16:45,110 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:16:45,112 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:16:45,118 INFO  L225             Difference]: With dead ends: 19988
[2024-12-02 07:16:45,118 INFO  L226             Difference]: Without dead ends: 10402
[2024-12-02 07:16:45,122 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:45,123 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:16:45,123 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:16:45,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10402 states.
[2024-12-02 07:16:45,187 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 10402.
[2024-12-02 07:16:45,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10402 states, 10401 states have (on average 1.5025478319392367) internal successors, (15628), 10401 states have internal predecessors, (15628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:45,202 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10402 states to 10402 states and 15628 transitions.
[2024-12-02 07:16:45,203 INFO  L78                 Accepts]: Start accepts. Automaton has 10402 states and 15628 transitions. Word has length 5064
[2024-12-02 07:16:45,204 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:16:45,204 INFO  L471      AbstractCegarLoop]: Abstraction has 10402 states and 15628 transitions.
[2024-12-02 07:16:45,204 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:45,205 INFO  L276                IsEmpty]: Start isEmpty. Operand 10402 states and 15628 transitions.
[2024-12-02 07:16:45,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:16:45,438 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:16:45,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:16:45,440 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 07:16:45,440 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:16:45,441 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:16:45,443 INFO  L85        PathProgramCache]: Analyzing trace with hash -811486029, now seen corresponding path program 1 times
[2024-12-02 07:16:45,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:16:45,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923549221]
[2024-12-02 07:16:45,443 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:16:45,444 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:16:50,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:16:58,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 274 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:16:58,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:16:58,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923549221]
[2024-12-02 07:16:58,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923549221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:16:58,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:16:58,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:16:58,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229880511]
[2024-12-02 07:16:58,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:16:58,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:16:58,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:16:58,188 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:16:58,188 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:58,189 INFO  L87              Difference]: Start difference. First operand 10402 states and 15628 transitions. Second operand  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:58,568 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:16:58,568 INFO  L93              Difference]: Finished difference Result 19990 states and 30037 transitions.
[2024-12-02 07:16:58,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 07:16:58,569 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 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 5064
[2024-12-02 07:16:58,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:16:58,574 INFO  L225             Difference]: With dead ends: 19990
[2024-12-02 07:16:58,574 INFO  L226             Difference]: Without dead ends: 10403
[2024-12-02 07:16:58,577 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:16:58,577 INFO  L435           NwaCegarLoop]: 14802 mSDtfsCounter, 0 mSDsluCounter, 14796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:16:58,578 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:16:58,584 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10403 states.
[2024-12-02 07:16:58,631 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10403 to 10403.
[2024-12-02 07:16:58,639 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10403 states, 10402 states have (on average 1.5024995193232071) internal successors, (15629), 10402 states have internal predecessors, (15629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:58,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10403 states to 10403 states and 15629 transitions.
[2024-12-02 07:16:58,647 INFO  L78                 Accepts]: Start accepts. Automaton has 10403 states and 15629 transitions. Word has length 5064
[2024-12-02 07:16:58,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:16:58,648 INFO  L471      AbstractCegarLoop]: Abstraction has 10403 states and 15629 transitions.
[2024-12-02 07:16:58,649 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1688.0) internal successors, (5064), 3 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:16:58,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 10403 states and 15629 transitions.
[2024-12-02 07:16:58,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5065
[2024-12-02 07:16:58,746 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 07:16:58,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-12-02 07:16:58,748 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 07:16:58,748 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:16:58,749 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:16:58,750 INFO  L85        PathProgramCache]: Analyzing trace with hash -29712028, now seen corresponding path program 1 times
[2024-12-02 07:16:58,750 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:16:58,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584132309]
[2024-12-02 07:16:58,750 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:16:58,750 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms