./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fccd0da7383ea8f4dc1e1db10d13474c22452cb599ee4449d6079e41ee05e51d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:01:40,048 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:01:40,153 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 01:01:40,162 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:01:40,166 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:01:40,214 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:01:40,215 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:01:40,215 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:01:40,215 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:01:40,216 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 01:01:40,216 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:01:40,217 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:01:40,218 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:01:40,218 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 01:01:40,218 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 01:01:40,218 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:01:40,218 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:01:40,218 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 01:01:40,219 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 01:01:40,219 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:01:40,219 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:01:40,219 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:01:40,220 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 01:01:40,220 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:01:40,220 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 01:01:40,220 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:01:40,220 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:01:40,220 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:01:40,221 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:01:40,221 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:01:40,221 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:01:40,221 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:01:40,222 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 01:01:40,222 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:01:40,223 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:01:40,223 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_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fccd0da7383ea8f4dc1e1db10d13474c22452cb599ee4449d6079e41ee05e51d
[2024-11-24 01:01:40,582 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:01:40,593 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:01:40,596 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:01:40,599 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 01:01:40,600 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 01:01:40,601 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c
[2024-11-24 01:01:43,868 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/data/981766423/1b3430290cd346fc942f8f78a545255a/FLAG8dd06d52e
[2024-11-24 01:01:44,469 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 01:01:44,470 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c
[2024-11-24 01:01:44,505 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/data/981766423/1b3430290cd346fc942f8f78a545255a/FLAG8dd06d52e
[2024-11-24 01:01:44,959 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/data/981766423/1b3430290cd346fc942f8f78a545255a
[2024-11-24 01:01:44,961 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:01:44,963 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:01:44,964 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:01:44,964 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:01:44,969 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:01:44,970 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:44" (1/1) ...
[2024-11-24 01:01:44,971 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c9ee7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:44, skipping insertion in model container
[2024-11-24 01:01:44,971 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:44" (1/1) ...
[2024-11-24 01:01:45,079 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:01:45,397 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_5caeee27-39f2-4e9f-ada6-2ed2e7901684/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c[1183,1196]
[2024-11-24 01:01:46,376 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:01:46,390 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 01:01:46,406 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_5caeee27-39f2-4e9f-ada6-2ed2e7901684/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c[1183,1196]
[2024-11-24 01:01:47,052 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:01:47,068 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 01:01:47,069 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47 WrapperNode
[2024-11-24 01:01:47,069 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:01:47,071 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:01:47,071 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:01:47,071 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:01:47,080 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:47,275 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:49,371 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19612
[2024-11-24 01:01:49,371 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:01:49,372 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:01:49,372 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:01:49,373 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:01:49,383 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:49,383 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:50,066 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:50,360 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:01:50,361 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:50,361 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,052 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,107 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,201 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,283 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,362 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,861 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:01:51,863 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:01:51,863 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:01:51,863 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:01:51,865 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (1/1) ...
[2024-11-24 01:01:51,875 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:01:51,890 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:01:51,907 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:01:51,914 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:01:51,946 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:01:51,947 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:01:51,947 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:01:51,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:01:53,430 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 01:01:53,432 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:02:47,557 INFO  L?                        ?]: Removed 10884 outVars from TransFormulas that were not future-live.
[2024-11-24 01:02:47,558 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 01:02:47,653 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:02:47,655 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 01:02:47,656 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:47 BoogieIcfgContainer
[2024-11-24 01:02:47,656 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:02:47,658 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:02:47,658 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:02:47,665 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:02:47,665 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:01:44" (1/3) ...
[2024-11-24 01:02:47,666 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02552e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:47, skipping insertion in model container
[2024-11-24 01:02:47,667 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:47" (2/3) ...
[2024-11-24 01:02:47,667 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02552e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:47, skipping insertion in model container
[2024-11-24 01:02:47,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:47" (3/3) ...
[2024-11-24 01:02:47,669 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c
[2024-11-24 01:02:47,688 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:02:47,690 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cyclic_scheduler.3.prop1-func-interl.c that has 1 procedures, 7002 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:02:47,929 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:02:47,950 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;@79c0c7f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:02:47,951 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:02:47,980 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7002 states, 7000 states have (on average 1.4998571428571428) internal successors, (10499), 7001 states have internal predecessors, (10499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:48,020 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-11-24 01:02:48,023 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:02:48,024 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]
[2024-11-24 01:02:48,025 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:48,032 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:48,033 INFO  L85        PathProgramCache]: Analyzing trace with hash 131367883, now seen corresponding path program 1 times
[2024-11-24 01:02:48,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:48,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486010943]
[2024-11-24 01:02:48,043 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:48,043 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:48,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:50,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:02:50,467 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:50,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486010943]
[2024-11-24 01:02:50,468 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486010943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:50,468 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:50,468 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:02:50,471 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332014157]
[2024-11-24 01:02:50,472 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:50,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:02:50,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:50,510 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:02:50,510 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:50,529 INFO  L87              Difference]: Start difference. First operand  has 7002 states, 7000 states have (on average 1.4998571428571428) internal successors, (10499), 7001 states have internal predecessors, (10499), 0 states have call successors, (0), 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 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:51,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:51,040 INFO  L93              Difference]: Finished difference Result 13529 states and 20289 transitions.
[2024-11-24 01:02:51,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:02:51,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 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 325
[2024-11-24 01:02:51,047 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:51,101 INFO  L225             Difference]: With dead ends: 13529
[2024-11-24 01:02:51,101 INFO  L226             Difference]: Without dead ends: 7001
[2024-11-24 01:02:51,114 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:51,122 INFO  L435           NwaCegarLoop]: 10493 mSDtfsCounter, 0 mSDsluCounter, 20980 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31473 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:51,123 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31473 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:02:51,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7001 states.
[2024-11-24 01:02:51,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 7001.
[2024-11-24 01:02:51,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7001 states, 7000 states have (on average 1.4995714285714286) internal successors, (10497), 7000 states have internal predecessors, (10497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:51,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 10497 transitions.
[2024-11-24 01:02:51,504 INFO  L78                 Accepts]: Start accepts. Automaton has 7001 states and 10497 transitions. Word has length 325
[2024-11-24 01:02:51,508 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:51,510 INFO  L471      AbstractCegarLoop]: Abstraction has 7001 states and 10497 transitions.
[2024-11-24 01:02:51,510 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:51,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 7001 states and 10497 transitions.
[2024-11-24 01:02:51,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 327
[2024-11-24 01:02:51,520 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:02:51,520 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]
[2024-11-24 01:02:51,521 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:02:51,521 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:51,522 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:51,522 INFO  L85        PathProgramCache]: Analyzing trace with hash -220865690, now seen corresponding path program 1 times
[2024-11-24 01:02:51,522 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:51,522 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752058697]
[2024-11-24 01:02:51,522 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:51,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:51,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:52,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:02:52,549 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:52,550 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752058697]
[2024-11-24 01:02:52,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752058697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:52,550 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:52,550 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:02:52,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599987265]
[2024-11-24 01:02:52,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:52,552 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:02:52,554 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:52,555 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:02:52,555 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:52,556 INFO  L87              Difference]: Start difference. First operand 7001 states and 10497 transitions. Second operand  has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:52,856 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:52,857 INFO  L93              Difference]: Finished difference Result 13530 states and 20287 transitions.
[2024-11-24 01:02:52,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:02:52,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 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 326
[2024-11-24 01:02:52,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:52,884 INFO  L225             Difference]: With dead ends: 13530
[2024-11-24 01:02:52,884 INFO  L226             Difference]: Without dead ends: 7003
[2024-11-24 01:02:52,890 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:52,893 INFO  L435           NwaCegarLoop]: 10493 mSDtfsCounter, 0 mSDsluCounter, 20976 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31469 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:52,893 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31469 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:02:52,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7003 states.
[2024-11-24 01:02:53,014 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 7003.
[2024-11-24 01:02:53,033 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7003 states, 7002 states have (on average 1.4994287346472437) internal successors, (10499), 7002 states have internal predecessors, (10499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:53,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7003 states to 7003 states and 10499 transitions.
[2024-11-24 01:02:53,066 INFO  L78                 Accepts]: Start accepts. Automaton has 7003 states and 10499 transitions. Word has length 326
[2024-11-24 01:02:53,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:53,066 INFO  L471      AbstractCegarLoop]: Abstraction has 7003 states and 10499 transitions.
[2024-11-24 01:02:53,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:53,071 INFO  L276                IsEmpty]: Start isEmpty. Operand 7003 states and 10499 transitions.
[2024-11-24 01:02:53,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-11-24 01:02:53,076 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:02:53,076 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]
[2024-11-24 01:02:53,076 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:02:53,077 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:53,077 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:53,078 INFO  L85        PathProgramCache]: Analyzing trace with hash 645134340, now seen corresponding path program 1 times
[2024-11-24 01:02:53,078 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:53,078 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650997655]
[2024-11-24 01:02:53,078 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:53,079 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:53,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:53,934 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:02:53,935 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:53,935 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650997655]
[2024-11-24 01:02:53,935 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650997655] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:53,935 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:53,935 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:02:53,935 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810344607]
[2024-11-24 01:02:53,935 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:53,939 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:02:53,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:53,940 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:02:53,940 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:53,941 INFO  L87              Difference]: Start difference. First operand 7003 states and 10499 transitions. Second operand  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:54,252 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:54,253 INFO  L93              Difference]: Finished difference Result 13534 states and 20291 transitions.
[2024-11-24 01:02:54,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:02:54,254 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 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 327
[2024-11-24 01:02:54,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:54,282 INFO  L225             Difference]: With dead ends: 13534
[2024-11-24 01:02:54,283 INFO  L226             Difference]: Without dead ends: 7005
[2024-11-24 01:02:54,290 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:02:54,291 INFO  L435           NwaCegarLoop]: 10493 mSDtfsCounter, 0 mSDsluCounter, 20970 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31463 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:54,293 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31463 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:02:54,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7005 states.
[2024-11-24 01:02:54,412 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7005 to 7005.
[2024-11-24 01:02:54,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7005 states, 7004 states have (on average 1.4992861222158766) internal successors, (10501), 7004 states have internal predecessors, (10501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:54,462 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 10501 transitions.
[2024-11-24 01:02:54,463 INFO  L78                 Accepts]: Start accepts. Automaton has 7005 states and 10501 transitions. Word has length 327
[2024-11-24 01:02:54,463 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:54,463 INFO  L471      AbstractCegarLoop]: Abstraction has 7005 states and 10501 transitions.
[2024-11-24 01:02:54,463 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:54,464 INFO  L276                IsEmpty]: Start isEmpty. Operand 7005 states and 10501 transitions.
[2024-11-24 01:02:54,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 329
[2024-11-24 01:02:54,474 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:02:54,475 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]
[2024-11-24 01:02:54,475 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:02:54,475 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:54,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:54,476 INFO  L85        PathProgramCache]: Analyzing trace with hash -566783059, now seen corresponding path program 1 times
[2024-11-24 01:02:54,477 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:54,477 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531206577]
[2024-11-24 01:02:54,477 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:54,477 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:54,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:55,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:02:55,462 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:55,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531206577]
[2024-11-24 01:02:55,462 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531206577] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:55,462 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:55,462 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:02:55,462 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156998125]
[2024-11-24 01:02:55,462 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:55,463 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:02:55,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:55,466 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:02:55,466 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:02:55,467 INFO  L87              Difference]: Start difference. First operand 7005 states and 10501 transitions. Second operand  has 5 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:55,953 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:55,954 INFO  L93              Difference]: Finished difference Result 17885 states and 26812 transitions.
[2024-11-24 01:02:55,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:02:55,954 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 0 states have call successors, (0), 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 328
[2024-11-24 01:02:55,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:56,008 INFO  L225             Difference]: With dead ends: 17885
[2024-11-24 01:02:56,009 INFO  L226             Difference]: Without dead ends: 11354
[2024-11-24 01:02:56,017 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:02:56,022 INFO  L435           NwaCegarLoop]: 10489 mSDtfsCounter, 6913 mSDsluCounter, 30752 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 41241 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
[2024-11-24 01:02:56,023 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6913 Valid, 41241 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:02:56,044 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11354 states.
[2024-11-24 01:02:56,188 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11354 to 7165.
[2024-11-24 01:02:56,199 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7165 states, 7164 states have (on average 1.4993020658849805) internal successors, (10741), 7164 states have internal predecessors, (10741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:56,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7165 states to 7165 states and 10741 transitions.
[2024-11-24 01:02:56,226 INFO  L78                 Accepts]: Start accepts. Automaton has 7165 states and 10741 transitions. Word has length 328
[2024-11-24 01:02:56,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:56,227 INFO  L471      AbstractCegarLoop]: Abstraction has 7165 states and 10741 transitions.
[2024-11-24 01:02:56,227 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:02:56,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 7165 states and 10741 transitions.
[2024-11-24 01:02:56,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3592
[2024-11-24 01:02:56,447 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:02:56,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:02:56,449 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:02:56,449 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:56,451 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:56,453 INFO  L85        PathProgramCache]: Analyzing trace with hash -316577823, now seen corresponding path program 1 times
[2024-11-24 01:02:56,453 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:56,453 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842891411]
[2024-11-24 01:02:56,454 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:56,454 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:27,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:45,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:45,218 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:45,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842891411]
[2024-11-24 01:03:45,218 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842891411] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:03:45,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658360638]
[2024-11-24 01:03:45,224 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:45,224 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:45,224 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:03:45,236 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:03:45,247 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:03:53,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:53,656 INFO  L256         TraceCheckSpWp]: Trace formula consists of 15622 conjuncts, 80 conjuncts are in the unsatisfiable core
[2024-11-24 01:03:53,780 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:04:19,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 4 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:04:19,699 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:04:45,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:04:45,203 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658360638] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:04:45,203 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-11-24 01:04:45,204 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [6, 27] total 45
[2024-11-24 01:04:45,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033921757]
[2024-11-24 01:04:45,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:04:45,210 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-24 01:04:45,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:04:45,223 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-24 01:04:45,225 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1769, Unknown=0, NotChecked=0, Total=1980
[2024-11-24 01:04:45,229 INFO  L87              Difference]: Start difference. First operand 7165 states and 10741 transitions. Second operand  has 16 states, 16 states have (on average 224.4375) internal successors, (3591), 16 states have internal predecessors, (3591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:05:27,141 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:05:27,141 INFO  L93              Difference]: Finished difference Result 29008 states and 43492 transitions.
[2024-11-24 01:05:27,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-11-24 01:05:27,144 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 224.4375) internal successors, (3591), 16 states have internal predecessors, (3591), 0 states have call successors, (0), 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 3591
[2024-11-24 01:05:27,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:05:27,227 INFO  L225             Difference]: With dead ends: 29008
[2024-11-24 01:05:27,228 INFO  L226             Difference]: Without dead ends: 22477
[2024-11-24 01:05:27,240 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7203 GetRequests, 7146 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 955 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=327, Invalid=3095, Unknown=0, NotChecked=0, Total=3422
[2024-11-24 01:05:27,241 INFO  L435           NwaCegarLoop]: 13487 mSDtfsCounter, 25568 mSDsluCounter, 159519 mSDsCounter, 0 mSdLazyCounter, 53134 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25568 SdHoareTripleChecker+Valid, 173006 SdHoareTripleChecker+Invalid, 53140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:05:27,241 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25568 Valid, 173006 Invalid, 53140 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [6 Valid, 53134 Invalid, 0 Unknown, 0 Unchecked, 39.7s Time]
[2024-11-24 01:05:27,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22477 states.
[2024-11-24 01:05:27,629 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22477 to 13528.
[2024-11-24 01:05:27,650 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13528 states, 13527 states have (on average 1.4995934057810305) internal successors, (20285), 13527 states have internal predecessors, (20285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:05:27,669 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13528 states to 13528 states and 20285 transitions.
[2024-11-24 01:05:27,669 INFO  L78                 Accepts]: Start accepts. Automaton has 13528 states and 20285 transitions. Word has length 3591
[2024-11-24 01:05:27,676 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:05:27,676 INFO  L471      AbstractCegarLoop]: Abstraction has 13528 states and 20285 transitions.
[2024-11-24 01:05:27,677 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 224.4375) internal successors, (3591), 16 states have internal predecessors, (3591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:05:27,678 INFO  L276                IsEmpty]: Start isEmpty. Operand 13528 states and 20285 transitions.
[2024-11-24 01:05:27,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3593
[2024-11-24 01:05:27,871 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:05:27,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:05:27,929 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 01:05:28,078 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:05:28,078 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:05:28,080 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:05:28,082 INFO  L85        PathProgramCache]: Analyzing trace with hash 340569260, now seen corresponding path program 1 times
[2024-11-24 01:05:28,083 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:05:28,083 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181959027]
[2024-11-24 01:05:28,085 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:05:28,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:05:53,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:06:06,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:06:06,995 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:06:06,995 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181959027]
[2024-11-24 01:06:06,995 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181959027] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:06:06,996 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94880424]
[2024-11-24 01:06:06,997 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:06:07,001 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:06:07,001 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:06:07,005 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:06:07,018 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:06:14,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:06:14,414 INFO  L256         TraceCheckSpWp]: Trace formula consists of 15623 conjuncts, 132 conjuncts are in the unsatisfiable core
[2024-11-24 01:06:14,510 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:06:33,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:06:33,771 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:06:33,772 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [94880424] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:06:33,772 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:06:33,773 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [6] total 51
[2024-11-24 01:06:33,774 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009012389]
[2024-11-24 01:06:33,774 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:06:33,780 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 47 states
[2024-11-24 01:06:33,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:06:33,793 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants.
[2024-11-24 01:06:33,796 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2383, Unknown=0, NotChecked=0, Total=2550
[2024-11-24 01:06:33,800 INFO  L87              Difference]: Start difference. First operand 13528 states and 20285 transitions. Second operand  has 47 states, 47 states have (on average 76.42553191489361) internal successors, (3592), 47 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:06:45,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:06:45,660 INFO  L93              Difference]: Finished difference Result 77659 states and 116459 transitions.
[2024-11-24 01:06:45,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. 
[2024-11-24 01:06:45,662 INFO  L78                 Accepts]: Start accepts. Automaton has  has 47 states, 47 states have (on average 76.42553191489361) internal successors, (3592), 47 states have internal predecessors, (3592), 0 states have call successors, (0), 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 3592
[2024-11-24 01:06:45,674 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:06:46,043 INFO  L225             Difference]: With dead ends: 77659
[2024-11-24 01:06:46,044 INFO  L226             Difference]: Without dead ends: 64765
[2024-11-24 01:06:46,066 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3648 GetRequests, 3550 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2011 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=730, Invalid=9170, Unknown=0, NotChecked=0, Total=9900
[2024-11-24 01:06:46,069 INFO  L435           NwaCegarLoop]: 27270 mSDtfsCounter, 61974 mSDsluCounter, 763130 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61974 SdHoareTripleChecker+Valid, 790400 SdHoareTripleChecker+Invalid, 3988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.8s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:06:46,073 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [61974 Valid, 790400 Invalid, 3988 Unknown, 0 Unchecked, 1.8s Time], IncrementalHoareTripleChecker [27 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-24 01:06:46,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64765 states.
[2024-11-24 01:06:46,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64765 to 27034.
[2024-11-24 01:06:47,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27034 states, 27033 states have (on average 1.4994266267154959) internal successors, (40534), 27033 states have internal predecessors, (40534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:06:47,057 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27034 states to 27034 states and 40534 transitions.
[2024-11-24 01:06:47,057 INFO  L78                 Accepts]: Start accepts. Automaton has 27034 states and 40534 transitions. Word has length 3592
[2024-11-24 01:06:47,065 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:06:47,065 INFO  L471      AbstractCegarLoop]: Abstraction has 27034 states and 40534 transitions.
[2024-11-24 01:06:47,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 47 states, 47 states have (on average 76.42553191489361) internal successors, (3592), 47 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:06:47,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 27034 states and 40534 transitions.
[2024-11-24 01:06:47,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3593
[2024-11-24 01:06:47,422 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:06:47,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:06:47,476 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:06:47,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:06:47,626 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:06:47,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:06:47,630 INFO  L85        PathProgramCache]: Analyzing trace with hash -1493923168, now seen corresponding path program 1 times
[2024-11-24 01:06:47,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:06:47,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089471647]
[2024-11-24 01:06:47,631 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:06:47,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:07:16,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:07:26,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:07:26,492 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:07:26,493 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089471647]
[2024-11-24 01:07:26,493 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089471647] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:07:26,493 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162838644]
[2024-11-24 01:07:26,494 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:07:26,494 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:07:26,494 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:07:26,503 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:07:26,514 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:07:34,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:07:34,935 INFO  L256         TraceCheckSpWp]: Trace formula consists of 15625 conjuncts, 198 conjuncts are in the unsatisfiable core
[2024-11-24 01:07:35,011 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:08:24,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:08:24,560 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:08:24,560 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162838644] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:08:24,560 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:08:24,561 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [6] total 38
[2024-11-24 01:08:24,561 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171655842]
[2024-11-24 01:08:24,561 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:08:24,564 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2024-11-24 01:08:24,564 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:08:24,568 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2024-11-24 01:08:24,568 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1240, Unknown=0, NotChecked=0, Total=1406
[2024-11-24 01:08:24,570 INFO  L87              Difference]: Start difference. First operand 27034 states and 40534 transitions. Second operand  has 34 states, 34 states have (on average 105.6470588235294) internal successors, (3592), 34 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:09,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:09:09,181 INFO  L93              Difference]: Finished difference Result 71801 states and 107656 transitions.
[2024-11-24 01:09:09,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2024-11-24 01:09:09,183 INFO  L78                 Accepts]: Start accepts. Automaton has  has 34 states, 34 states have (on average 105.6470588235294) internal successors, (3592), 34 states have internal predecessors, (3592), 0 states have call successors, (0), 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 3592
[2024-11-24 01:09:09,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:09:09,275 INFO  L225             Difference]: With dead ends: 71801
[2024-11-24 01:09:09,275 INFO  L226             Difference]: Without dead ends: 45241
[2024-11-24 01:09:09,297 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3630 GetRequests, 3562 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=473, Invalid=4357, Unknown=0, NotChecked=0, Total=4830
[2024-11-24 01:09:09,298 INFO  L435           NwaCegarLoop]: 10579 mSDtfsCounter, 58681 mSDsluCounter, 168634 mSDsCounter, 0 mSdLazyCounter, 50191 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58681 SdHoareTripleChecker+Valid, 179213 SdHoareTripleChecker+Invalid, 50199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:09:09,299 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [58681 Valid, 179213 Invalid, 50199 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [8 Valid, 50191 Invalid, 0 Unknown, 0 Unchecked, 40.6s Time]
[2024-11-24 01:09:09,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45241 states.
[2024-11-24 01:09:09,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45241 to 31431.
[2024-11-24 01:09:09,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31431 states, 31430 states have (on average 1.4993954820235444) internal successors, (47126), 31430 states have internal predecessors, (47126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:10,255 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31431 states to 31431 states and 47126 transitions.
[2024-11-24 01:09:10,259 INFO  L78                 Accepts]: Start accepts. Automaton has 31431 states and 47126 transitions. Word has length 3592
[2024-11-24 01:09:10,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:09:10,267 INFO  L471      AbstractCegarLoop]: Abstraction has 31431 states and 47126 transitions.
[2024-11-24 01:09:10,268 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 105.6470588235294) internal successors, (3592), 34 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:10,268 INFO  L276                IsEmpty]: Start isEmpty. Operand 31431 states and 47126 transitions.
[2024-11-24 01:09:10,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3593
[2024-11-24 01:09:10,598 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:09:10,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:09:10,722 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 01:09:10,807 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:09:10,807 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:09:10,809 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:09:10,811 INFO  L85        PathProgramCache]: Analyzing trace with hash -53998593, now seen corresponding path program 1 times
[2024-11-24 01:09:10,820 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:09:10,820 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689595145]
[2024-11-24 01:09:10,822 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:09:10,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:09:16,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:09:27,552 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:09:27,553 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:09:27,553 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689595145]
[2024-11-24 01:09:27,553 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689595145] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:09:27,553 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:09:27,553 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:09:27,553 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164204502]
[2024-11-24 01:09:27,553 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:09:27,555 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:09:27,556 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:09:27,558 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:09:27,558 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:09:27,560 INFO  L87              Difference]: Start difference. First operand 31431 states and 47126 transitions. Second operand  has 5 states, 5 states have (on average 718.4) internal successors, (3592), 5 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:28,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:09:28,203 INFO  L93              Difference]: Finished difference Result 80104 states and 120103 transitions.
[2024-11-24 01:09:28,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 01:09:28,205 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 718.4) internal successors, (3592), 5 states have internal predecessors, (3592), 0 states have call successors, (0), 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 3592
[2024-11-24 01:09:28,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:09:28,282 INFO  L225             Difference]: With dead ends: 80104
[2024-11-24 01:09:28,282 INFO  L226             Difference]: Without dead ends: 49147
[2024-11-24 01:09:28,301 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:09:28,302 INFO  L435           NwaCegarLoop]: 10489 mSDtfsCounter, 6826 mSDsluCounter, 30753 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6826 SdHoareTripleChecker+Valid, 41242 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:09:28,304 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6826 Valid, 41242 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:09:28,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49147 states.
[2024-11-24 01:09:28,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49147 to 31743.
[2024-11-24 01:09:28,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31743 states, 31742 states have (on average 1.4992754079768131) internal successors, (47590), 31742 states have internal predecessors, (47590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:29,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31743 states to 31743 states and 47590 transitions.
[2024-11-24 01:09:29,010 INFO  L78                 Accepts]: Start accepts. Automaton has 31743 states and 47590 transitions. Word has length 3592
[2024-11-24 01:09:29,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:09:29,011 INFO  L471      AbstractCegarLoop]: Abstraction has 31743 states and 47590 transitions.
[2024-11-24 01:09:29,012 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 718.4) internal successors, (3592), 5 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:29,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 31743 states and 47590 transitions.
[2024-11-24 01:09:29,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3594
[2024-11-24 01:09:29,115 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:09:29,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:09:29,117 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-24 01:09:29,117 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:09:29,119 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:09:29,121 INFO  L85        PathProgramCache]: Analyzing trace with hash -2126757962, now seen corresponding path program 1 times
[2024-11-24 01:09:29,121 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:09:29,121 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187296075]
[2024-11-24 01:09:29,122 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:09:29,122 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:09:34,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:09:44,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:09:44,240 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:09:44,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187296075]
[2024-11-24 01:09:44,240 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187296075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:09:44,240 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:09:44,241 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 01:09:44,241 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171177516]
[2024-11-24 01:09:44,241 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:09:44,244 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:09:44,244 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:09:44,248 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:09:44,248 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:09:44,250 INFO  L87              Difference]: Start difference. First operand 31743 states and 47590 transitions. Second operand  has 4 states, 4 states have (on average 898.25) internal successors, (3593), 4 states have internal predecessors, (3593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:44,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:09:44,557 INFO  L93              Difference]: Finished difference Result 62736 states and 94060 transitions.
[2024-11-24 01:09:44,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 01:09:44,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 898.25) internal successors, (3593), 4 states have internal predecessors, (3593), 0 states have call successors, (0), 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 3593
[2024-11-24 01:09:44,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:09:44,612 INFO  L225             Difference]: With dead ends: 62736
[2024-11-24 01:09:44,612 INFO  L226             Difference]: Without dead ends: 31779
[2024-11-24 01:09:44,636 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:09:44,639 INFO  L435           NwaCegarLoop]: 10493 mSDtfsCounter, 4 mSDsluCounter, 20970 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31463 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:09:44,644 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31463 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:09:45,001 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31779 states.
[2024-11-24 01:09:45,627 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31779 to 31779.
[2024-11-24 01:09:45,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31779 states, 31778 states have (on average 1.4990874189690981) internal successors, (47638), 31778 states have internal predecessors, (47638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:45,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31779 states to 31779 states and 47638 transitions.
[2024-11-24 01:09:45,756 INFO  L78                 Accepts]: Start accepts. Automaton has 31779 states and 47638 transitions. Word has length 3593
[2024-11-24 01:09:45,758 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:09:45,762 INFO  L471      AbstractCegarLoop]: Abstraction has 31779 states and 47638 transitions.
[2024-11-24 01:09:45,763 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 898.25) internal successors, (3593), 4 states have internal predecessors, (3593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:09:45,763 INFO  L276                IsEmpty]: Start isEmpty. Operand 31779 states and 47638 transitions.
[2024-11-24 01:09:46,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3594
[2024-11-24 01:09:46,132 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:09:46,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:09:46,140 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-24 01:09:46,140 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:09:46,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:09:46,144 INFO  L85        PathProgramCache]: Analyzing trace with hash -596160904, now seen corresponding path program 1 times
[2024-11-24 01:09:46,144 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:09:46,144 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814583218]
[2024-11-24 01:09:46,145 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:09:46,145 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:10:20,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:10:34,187 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:10:34,188 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:10:34,188 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814583218]
[2024-11-24 01:10:34,188 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814583218] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:10:34,188 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844943123]
[2024-11-24 01:10:34,189 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:10:34,190 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:10:34,190 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:10:34,195 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:10:34,196 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 01:10:47,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:10:47,464 INFO  L256         TraceCheckSpWp]: Trace formula consists of 15628 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-24 01:10:47,590 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:10:57,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:10:57,769 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:11:09,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:11:09,095 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844943123] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:11:09,095 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:11:09,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10
[2024-11-24 01:11:09,096 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713637614]
[2024-11-24 01:11:09,096 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:11:09,106 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 01:11:09,106 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:11:09,109 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 01:11:09,110 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:11:09,111 INFO  L87              Difference]: Start difference. First operand 31779 states and 47638 transitions. Second operand  has 10 states, 10 states have (on average 391.2) internal successors, (3912), 10 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:11:16,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:11:16,466 INFO  L93              Difference]: Finished difference Result 141599 states and 212275 transitions.
[2024-11-24 01:11:16,466 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-24 01:11:16,467 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 391.2) internal successors, (3912), 10 states have internal predecessors, (3912), 0 states have call successors, (0), 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 3593
[2024-11-24 01:11:16,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:11:16,509 INFO  L225             Difference]: With dead ends: 141599
[2024-11-24 01:11:16,509 INFO  L226             Difference]: Without dead ends: 58952
[2024-11-24 01:11:16,546 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7192 GetRequests, 7183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:11:16,547 INFO  L435           NwaCegarLoop]: 10142 mSDtfsCounter, 27780 mSDsluCounter, 57046 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27780 SdHoareTripleChecker+Valid, 67188 SdHoareTripleChecker+Invalid, 5979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time
[2024-11-24 01:11:16,547 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [27780 Valid, 67188 Invalid, 5979 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [801 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time]
[2024-11-24 01:11:16,590 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58952 states.
[2024-11-24 01:11:17,670 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58952 to 31779.
[2024-11-24 01:11:17,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31779 states, 31778 states have (on average 1.4990559506576877) internal successors, (47637), 31778 states have internal predecessors, (47637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:11:17,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31779 states to 31779 states and 47637 transitions.
[2024-11-24 01:11:17,743 INFO  L78                 Accepts]: Start accepts. Automaton has 31779 states and 47637 transitions. Word has length 3593
[2024-11-24 01:11:17,744 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:11:17,744 INFO  L471      AbstractCegarLoop]: Abstraction has 31779 states and 47637 transitions.
[2024-11-24 01:11:17,745 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 391.2) internal successors, (3912), 10 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:11:17,746 INFO  L276                IsEmpty]: Start isEmpty. Operand 31779 states and 47637 transitions.
[2024-11-24 01:11:17,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3595
[2024-11-24 01:11:17,943 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:11:17,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:11:18,040 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-24 01:11:18,150 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caeee27-39f2-4e9f-ada6-2ed2e7901684/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-24 01:11:18,151 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:11:18,153 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:11:18,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 330157025, now seen corresponding path program 1 times
[2024-11-24 01:11:18,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:11:18,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707815880]
[2024-11-24 01:11:18,158 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:18,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:11:52,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:12:03,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:12:03,105 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:12:03,105 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707815880]
[2024-11-24 01:12:03,105 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707815880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:12:03,106 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:12:03,106 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:12:03,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579060066]
[2024-11-24 01:12:03,107 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:12:03,110 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:12:03,110 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:12:03,114 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:12:03,115 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:12:03,116 INFO  L87              Difference]: Start difference. First operand 31779 states and 47637 transitions. Second operand  has 6 states, 6 states have (on average 599.0) internal successors, (3594), 6 states have internal predecessors, (3594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:12:12,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:12:12,357 INFO  L93              Difference]: Finished difference Result 80242 states and 120289 transitions.
[2024-11-24 01:12:12,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:12:12,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 599.0) internal successors, (3594), 6 states have internal predecessors, (3594), 0 states have call successors, (0), 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 3594
[2024-11-24 01:12:12,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:12:12,390 INFO  L225             Difference]: With dead ends: 80242
[2024-11-24 01:12:12,390 INFO  L226             Difference]: Without dead ends: 49211
[2024-11-24 01:12:12,403 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:12:12,403 INFO  L435           NwaCegarLoop]: 9029 mSDtfsCounter, 6856 mSDsluCounter, 34678 mSDsCounter, 0 mSdLazyCounter, 8407 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6856 SdHoareTripleChecker+Valid, 43707 SdHoareTripleChecker+Invalid, 8446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 8407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:12:12,404 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6856 Valid, 43707 Invalid, 8446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 8407 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time]
[2024-11-24 01:12:12,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49211 states.
[2024-11-24 01:12:12,819 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49211 to 31779.
[2024-11-24 01:12:12,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31779 states, 31778 states have (on average 1.4990244823462773) internal successors, (47636), 31778 states have internal predecessors, (47636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:12:12,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31779 states to 31779 states and 47636 transitions.
[2024-11-24 01:12:12,871 INFO  L78                 Accepts]: Start accepts. Automaton has 31779 states and 47636 transitions. Word has length 3594
[2024-11-24 01:12:12,871 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:12:12,871 INFO  L471      AbstractCegarLoop]: Abstraction has 31779 states and 47636 transitions.
[2024-11-24 01:12:12,872 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 599.0) internal successors, (3594), 6 states have internal predecessors, (3594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:12:12,872 INFO  L276                IsEmpty]: Start isEmpty. Operand 31779 states and 47636 transitions.
[2024-11-24 01:12:13,092 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3596
[2024-11-24 01:12:13,092 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:12:13,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:12:13,095 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:12:13,095 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:12:13,096 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:12:13,098 INFO  L85        PathProgramCache]: Analyzing trace with hash 1502361171, now seen corresponding path program 1 times
[2024-11-24 01:12:13,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:12:13,098 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260774880]
[2024-11-24 01:12:13,098 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:12:13,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:12:49,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:13:00,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:13:00,887 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:13:00,887 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260774880]
[2024-11-24 01:13:00,887 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260774880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:13:00,887 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:13:00,888 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 01:13:00,891 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304554197]
[2024-11-24 01:13:00,891 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:13:00,894 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:13:00,894 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:13:00,898 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:13:00,898 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:13:00,900 INFO  L87              Difference]: Start difference. First operand 31779 states and 47636 transitions. Second operand  has 6 states, 6 states have (on average 599.1666666666666) internal successors, (3595), 6 states have internal predecessors, (3595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:13:10,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:13:10,152 INFO  L93              Difference]: Finished difference Result 97416 states and 146018 transitions.
[2024-11-24 01:13:10,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 01:13:10,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 599.1666666666666) internal successors, (3595), 6 states have internal predecessors, (3595), 0 states have call successors, (0), 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 3595
[2024-11-24 01:13:10,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:13:10,342 INFO  L225             Difference]: With dead ends: 97416
[2024-11-24 01:13:10,342 INFO  L226             Difference]: Without dead ends: 66417
[2024-11-24 01:13:10,354 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:13:10,355 INFO  L435           NwaCegarLoop]: 9045 mSDtfsCounter, 9965 mSDsluCounter, 35658 mSDsCounter, 0 mSdLazyCounter, 7607 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9965 SdHoareTripleChecker+Valid, 44703 SdHoareTripleChecker+Invalid, 7917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 7607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:13:10,356 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9965 Valid, 44703 Invalid, 7917 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [310 Valid, 7607 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time]
[2024-11-24 01:13:10,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66417 states.
[2024-11-24 01:13:10,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66417 to 33017.
[2024-11-24 01:13:10,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33017 states, 33016 states have (on average 1.4986673128180277) internal successors, (49480), 33016 states have internal predecessors, (49480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:13:10,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33017 states to 33017 states and 49480 transitions.
[2024-11-24 01:13:10,854 INFO  L78                 Accepts]: Start accepts. Automaton has 33017 states and 49480 transitions. Word has length 3595
[2024-11-24 01:13:10,855 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:13:10,855 INFO  L471      AbstractCegarLoop]: Abstraction has 33017 states and 49480 transitions.
[2024-11-24 01:13:10,856 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 599.1666666666666) internal successors, (3595), 6 states have internal predecessors, (3595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:13:10,856 INFO  L276                IsEmpty]: Start isEmpty. Operand 33017 states and 49480 transitions.
[2024-11-24 01:13:11,060 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3597
[2024-11-24 01:13:11,060 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 01:13:11,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-24 01:13:11,062 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-24 01:13:11,063 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:13:11,064 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:13:11,065 INFO  L85        PathProgramCache]: Analyzing trace with hash -2072322327, now seen corresponding path program 1 times
[2024-11-24 01:13:11,066 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:13:11,066 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690919217]
[2024-11-24 01:13:11,066 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:13:11,067 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:13:40,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat