./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:01:02,986 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:01:03,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 07:01:03,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:01:03,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:01:03,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:01:03,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:01:03,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:01:03,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:01:03,065 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:01:03,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:01:03,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:01:03,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:01:03,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:01:03,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:01:03,067 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:01:03,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:01:03,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:01:03,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:01:03,068 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:01:03,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:01:03,069 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_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce
[2024-12-02 07:01:03,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:01:03,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:01:03,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:01:03,293 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:01:03,293 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:01:03,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c
[2024-12-02 07:01:05,971 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/data/58d7d2d9f/e6e273b4504e4b95b1eee467b411f5e4/FLAG8f1ae14f5
[2024-12-02 07:01:06,269 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:01:06,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/sv-benchmarks/c/eca-rers2012/Problem11_label10.c
[2024-12-02 07:01:06,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/data/58d7d2d9f/e6e273b4504e4b95b1eee467b411f5e4/FLAG8f1ae14f5
[2024-12-02 07:01:06,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/data/58d7d2d9f/e6e273b4504e4b95b1eee467b411f5e4
[2024-12-02 07:01:06,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:01:06,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:01:06,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:01:06,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:01:06,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:01:06,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:06" (1/1) ...
[2024-12-02 07:01:06,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82cbf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:06, skipping insertion in model container
[2024-12-02 07:01:06,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:06" (1/1) ...
[2024-12-02 07:01:06,590 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:01:06,722 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_7d73e5d7-f715-4e1d-b023-899b8549b2ef/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281]
[2024-12-02 07:01:06,909 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:01:06,917 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:01:06,932 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_7d73e5d7-f715-4e1d-b023-899b8549b2ef/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281]
[2024-12-02 07:01:07,020 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:01:07,031 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:01:07,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07 WrapperNode
[2024-12-02 07:01:07,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:01:07,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:01:07,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:01:07,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:01:07,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,141 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999
[2024-12-02 07:01:07,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:01:07,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:01:07,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:01:07,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:01:07,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,193 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 07:01:07,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:01:07,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:01:07,268 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:01:07,268 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:01:07,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (1/1) ...
[2024-12-02 07:01:07,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:01:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:01:07,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:01:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:01:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:01:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:01:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:01:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:01:07,366 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:01:07,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:01:08,878 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-12-02 07:01:08,879 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:01:08,894 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:01:08,894 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 07:01:08,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:08 BoogieIcfgContainer
[2024-12-02 07:01:08,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:01:08,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:01:08,898 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:01:08,903 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:01:08,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:01:06" (1/3) ...
[2024-12-02 07:01:08,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d311f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:08, skipping insertion in model container
[2024-12-02 07:01:08,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:07" (2/3) ...
[2024-12-02 07:01:08,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d311f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:01:08, skipping insertion in model container
[2024-12-02 07:01:08,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:08" (3/3) ...
[2024-12-02 07:01:08,905 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c
[2024-12-02 07:01:08,920 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:01:08,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem11_label10.c that has 1 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 07:01:08,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:01:08,991 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;@4735e1eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:01:08,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:01:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 07:01:09,001 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:09,002 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]
[2024-12-02 07:01:09,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:09,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:09,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times
[2024-12-02 07:01:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:09,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847883533]
[2024-12-02 07:01:09,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:09,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:09,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847883533]
[2024-12-02 07:01:09,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847883533] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:09,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:09,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:01:09,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101629425]
[2024-12-02 07:01:09,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:09,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:09,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:09,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:09,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:09,285 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:10,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:10,363 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions.
[2024-12-02 07:01:10,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:10,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22
[2024-12-02 07:01:10,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:10,374 INFO L225 Difference]: With dead ends: 776
[2024-12-02 07:01:10,374 INFO L226 Difference]: Without dead ends: 413
[2024-12-02 07:01:10,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:10,379 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:10,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 07:01:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states.
[2024-12-02 07:01:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411.
[2024-12-02 07:01:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions.
[2024-12-02 07:01:10,425 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 22
[2024-12-02 07:01:10,425 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:10,425 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions.
[2024-12-02 07:01:10,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions.
[2024-12-02 07:01:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-12-02 07:01:10,427 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:10,428 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:01:10,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:01:10,428 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:10,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:10,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415266, now seen corresponding path program 1 times
[2024-12-02 07:01:10,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:10,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046147370]
[2024-12-02 07:01:10,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:10,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:10,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046147370]
[2024-12-02 07:01:10,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046147370] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:10,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:10,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:01:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915595185]
[2024-12-02 07:01:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:10,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:10,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:10,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:10,694 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:11,449 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions.
[2024-12-02 07:01:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:11,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90
[2024-12-02 07:01:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:11,452 INFO L225 Difference]: With dead ends: 1209
[2024-12-02 07:01:11,453 INFO L226 Difference]: Without dead ends: 800
[2024-12-02 07:01:11,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:11,454 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:11,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:01:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states.
[2024-12-02 07:01:11,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787.
[2024-12-02 07:01:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions.
[2024-12-02 07:01:11,483 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 90
[2024-12-02 07:01:11,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:11,483 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions.
[2024-12-02 07:01:11,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions.
[2024-12-02 07:01:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-12-02 07:01:11,485 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:11,486 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:01:11,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:01:11,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:11,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash 562007972, now seen corresponding path program 1 times
[2024-12-02 07:01:11,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:11,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205306210]
[2024-12-02 07:01:11,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:11,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:11,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:11,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205306210]
[2024-12-02 07:01:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205306210] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:11,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:01:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066611983]
[2024-12-02 07:01:11,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:11,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:11,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:11,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:11,745 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:12,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:12,457 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions.
[2024-12-02 07:01:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:12,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91
[2024-12-02 07:01:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:12,464 INFO L225 Difference]: With dead ends: 1942
[2024-12-02 07:01:12,464 INFO L226 Difference]: Without dead ends: 1157
[2024-12-02 07:01:12,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:12,466 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:12,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:01:12,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states.
[2024-12-02 07:01:12,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156.
[2024-12-02 07:01:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions.
[2024-12-02 07:01:12,487 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 91
[2024-12-02 07:01:12,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:12,488 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions.
[2024-12-02 07:01:12,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions.
[2024-12-02 07:01:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-12-02 07:01:12,490 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:12,490 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:01:12,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:01:12,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:12,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -945177690, now seen corresponding path program 1 times
[2024-12-02 07:01:12,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:12,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482643314]
[2024-12-02 07:01:12,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:12,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 07:01:12,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:12,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482643314]
[2024-12-02 07:01:12,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482643314] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:12,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:12,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:01:12,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910996499]
[2024-12-02 07:01:12,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:12,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:12,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:12,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:12,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:12,673 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:13,482 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions.
[2024-12-02 07:01:13,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:13,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 134
[2024-12-02 07:01:13,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:13,489 INFO L225 Difference]: With dead ends: 2502
[2024-12-02 07:01:13,489 INFO L226 Difference]: Without dead ends: 1532
[2024-12-02 07:01:13,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:13,491 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:13,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:01:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states.
[2024-12-02 07:01:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532.
[2024-12-02 07:01:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions.
[2024-12-02 07:01:13,530 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 134
[2024-12-02 07:01:13,531 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:13,531 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions.
[2024-12-02 07:01:13,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions.
[2024-12-02 07:01:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2024-12-02 07:01:13,533 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:13,534 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 07:01:13,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:01:13,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:13,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:13,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2122268031, now seen corresponding path program 1 times
[2024-12-02 07:01:13,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:13,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217738727]
[2024-12-02 07:01:13,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:13,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:13,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217738727]
[2024-12-02 07:01:13,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217738727] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:13,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:13,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:13,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540422694]
[2024-12-02 07:01:13,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:13,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:13,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:13,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:13,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:13,751 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:14,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:14,482 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions.
[2024-12-02 07:01:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:14,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149
[2024-12-02 07:01:14,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:14,490 INFO L225 Difference]: With dead ends: 3644
[2024-12-02 07:01:14,490 INFO L226 Difference]: Without dead ends: 2298
[2024-12-02 07:01:14,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:14,493 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 213 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:14,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:01:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states.
[2024-12-02 07:01:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295.
[2024-12-02 07:01:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions.
[2024-12-02 07:01:14,540 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 149
[2024-12-02 07:01:14,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:14,541 INFO L471 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions.
[2024-12-02 07:01:14,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions.
[2024-12-02 07:01:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2024-12-02 07:01:14,544 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:14,544 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:14,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:01:14,544 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:14,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:14,545 INFO L85 PathProgramCache]: Analyzing trace with hash -259742338, now seen corresponding path program 1 times
[2024-12-02 07:01:14,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:14,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518151651]
[2024-12-02 07:01:14,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:14,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:14,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518151651]
[2024-12-02 07:01:14,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518151651] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:14,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:14,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:14,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551284999]
[2024-12-02 07:01:14,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:14,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:14,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:14,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:14,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:14,821 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:15,542 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions.
[2024-12-02 07:01:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:15,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 202
[2024-12-02 07:01:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:15,550 INFO L225 Difference]: With dead ends: 5528
[2024-12-02 07:01:15,550 INFO L226 Difference]: Without dead ends: 3419
[2024-12-02 07:01:15,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:15,553 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:15,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:01:15,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states.
[2024-12-02 07:01:15,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218.
[2024-12-02 07:01:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions.
[2024-12-02 07:01:15,597 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 202
[2024-12-02 07:01:15,597 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:15,598 INFO L471 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions.
[2024-12-02 07:01:15,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions.
[2024-12-02 07:01:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-12-02 07:01:15,600 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:15,600 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:15,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:01:15,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:15,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:15,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1079368312, now seen corresponding path program 1 times
[2024-12-02 07:01:15,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:15,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793274566]
[2024-12-02 07:01:15,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:15,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-12-02 07:01:15,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:15,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793274566]
[2024-12-02 07:01:15,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793274566] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:15,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:15,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:15,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22779292]
[2024-12-02 07:01:15,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:15,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:15,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:15,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:15,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:15,753 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:16,430 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions.
[2024-12-02 07:01:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:16,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 203
[2024-12-02 07:01:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:16,440 INFO L225 Difference]: With dead ends: 7371
[2024-12-02 07:01:16,440 INFO L226 Difference]: Without dead ends: 4155
[2024-12-02 07:01:16,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:16,444 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 180 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:16,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:01:16,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states.
[2024-12-02 07:01:16,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138.
[2024-12-02 07:01:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions.
[2024-12-02 07:01:16,513 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 203
[2024-12-02 07:01:16,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:16,514 INFO L471 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions.
[2024-12-02 07:01:16,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions.
[2024-12-02 07:01:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2024-12-02 07:01:16,517 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:16,517 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:16,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:01:16,517 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:16,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1976650713, now seen corresponding path program 1 times
[2024-12-02 07:01:16,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:16,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507982022]
[2024-12-02 07:01:16,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-12-02 07:01:16,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:16,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507982022]
[2024-12-02 07:01:16,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507982022] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:16,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:16,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:16,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559058714]
[2024-12-02 07:01:16,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:16,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:16,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:16,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:16,732 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:17,563 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions.
[2024-12-02 07:01:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:17,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 204
[2024-12-02 07:01:17,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:17,577 INFO L225 Difference]: With dead ends: 9207
[2024-12-02 07:01:17,577 INFO L226 Difference]: Without dead ends: 5071
[2024-12-02 07:01:17,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:17,581 INFO L435 NwaCegarLoop]: 358 mSDtfsCounter, 175 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:17,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:01:17,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states.
[2024-12-02 07:01:17,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874.
[2024-12-02 07:01:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions.
[2024-12-02 07:01:17,680 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 204
[2024-12-02 07:01:17,680 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:17,680 INFO L471 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions.
[2024-12-02 07:01:17,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions.
[2024-12-02 07:01:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2024-12-02 07:01:17,682 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:17,682 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:17,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 07:01:17,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:17,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1214132377, now seen corresponding path program 1 times
[2024-12-02 07:01:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976605079]
[2024-12-02 07:01:17,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:17,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:17,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976605079]
[2024-12-02 07:01:17,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976605079] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:17,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:17,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:01:17,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040405303]
[2024-12-02 07:01:17,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:17,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:01:17,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:17,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:01:17,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:17,938 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:19,237 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions.
[2024-12-02 07:01:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:01:19,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 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 224
[2024-12-02 07:01:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:19,265 INFO L225 Difference]: With dead ends: 15870
[2024-12-02 07:01:19,265 INFO L226 Difference]: Without dead ends: 10998
[2024-12-02 07:01:19,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:19,271 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 313 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:19,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 193 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 07:01:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states.
[2024-12-02 07:01:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953.
[2024-12-02 07:01:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions.
[2024-12-02 07:01:19,391 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 224
[2024-12-02 07:01:19,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:19,391 INFO L471 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions.
[2024-12-02 07:01:19,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions.
[2024-12-02 07:01:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2024-12-02 07:01:19,395 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:19,396 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:19,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 07:01:19,396 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:19,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash -205904018, now seen corresponding path program 1 times
[2024-12-02 07:01:19,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:19,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011469872]
[2024-12-02 07:01:19,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:19,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:19,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011469872]
[2024-12-02 07:01:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011469872] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:01:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589930757]
[2024-12-02 07:01:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:19,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:01:19,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:19,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:01:19,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:19,755 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:20,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:20,838 INFO L93 Difference]: Finished difference Result 22715 states and 27384 transitions.
[2024-12-02 07:01:20,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:01:20,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 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 234
[2024-12-02 07:01:20,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:20,861 INFO L225 Difference]: With dead ends: 22715
[2024-12-02 07:01:20,861 INFO L226 Difference]: Without dead ends: 13764
[2024-12-02 07:01:20,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:20,870 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 325 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:20,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 122 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 07:01:20,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13764 states.
[2024-12-02 07:01:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13764 to 13378.
[2024-12-02 07:01:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1921955595424982) internal successors, (15948), 13377 states have internal predecessors, (15948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15948 transitions.
[2024-12-02 07:01:21,063 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15948 transitions. Word has length 234
[2024-12-02 07:01:21,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:21,063 INFO L471 AbstractCegarLoop]: Abstraction has 13378 states and 15948 transitions.
[2024-12-02 07:01:21,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:21,063 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15948 transitions.
[2024-12-02 07:01:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-12-02 07:01:21,068 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:21,068 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:21,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 07:01:21,068 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:21,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 947970210, now seen corresponding path program 1 times
[2024-12-02 07:01:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691913546]
[2024-12-02 07:01:21,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:21,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:21,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691913546]
[2024-12-02 07:01:21,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691913546] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:01:21,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86769581]
[2024-12-02 07:01:21,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:21,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:01:21,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:01:21,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:01:21,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 07:01:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:21,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-02 07:01:21,893 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:01:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:22,842 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:01:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:24,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86769581] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 07:01:24,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 07:01:24,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-12-02 07:01:24,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679018210]
[2024-12-02 07:01:24,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 07:01:24,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 07:01:24,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:24,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 07:01:24,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2024-12-02 07:01:24,134 INFO L87 Difference]: Start difference. First operand 13378 states and 15948 transitions. Second operand has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:26,900 INFO L93 Difference]: Finished difference Result 28502 states and 34240 transitions.
[2024-12-02 07:01:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-02 07:01:26,901 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 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 236
[2024-12-02 07:01:26,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:26,919 INFO L225 Difference]: With dead ends: 28502
[2024-12-02 07:01:26,919 INFO L226 Difference]: Without dead ends: 15114
[2024-12-02 07:01:26,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342
[2024-12-02 07:01:26,928 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 1816 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 3669 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 3669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:26,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 111 Invalid, 4357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 3669 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 07:01:26,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15114 states.
[2024-12-02 07:01:27,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15114 to 13530.
[2024-12-02 07:01:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1665311552960307) internal successors, (15782), 13529 states have internal predecessors, (15782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15782 transitions.
[2024-12-02 07:01:27,092 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15782 transitions. Word has length 236
[2024-12-02 07:01:27,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:27,092 INFO L471 AbstractCegarLoop]: Abstraction has 13530 states and 15782 transitions.
[2024-12-02 07:01:27,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15782 transitions.
[2024-12-02 07:01:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256
[2024-12-02 07:01:27,097 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:27,097 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:27,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 07:01:27,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 07:01:27,298 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:27,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1148903582, now seen corresponding path program 1 times
[2024-12-02 07:01:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:27,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075747198]
[2024-12-02 07:01:27,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:27,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075747198]
[2024-12-02 07:01:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075747198] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:01:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869495784]
[2024-12-02 07:01:27,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:27,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:01:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:01:27,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:01:27,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 07:01:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:28,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 07:01:28,038 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:01:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:28,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:01:28,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869495784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:28,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:01:28,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-12-02 07:01:28,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965040561]
[2024-12-02 07:01:28,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:28,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:01:28,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:28,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:01:28,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-12-02 07:01:28,429 INFO L87 Difference]: Start difference. First operand 13530 states and 15782 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:29,229 INFO L93 Difference]: Finished difference Result 27246 states and 31762 transitions.
[2024-12-02 07:01:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:01:29,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 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 255
[2024-12-02 07:01:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:29,244 INFO L225 Difference]: With dead ends: 27246
[2024-12-02 07:01:29,244 INFO L226 Difference]: Without dead ends: 13718
[2024-12-02 07:01:29,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-12-02 07:01:29,252 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 171 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:29,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 164 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:01:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13718 states.
[2024-12-02 07:01:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13718 to 13530.
[2024-12-02 07:01:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1652006800206962) internal successors, (15764), 13529 states have internal predecessors, (15764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15764 transitions.
[2024-12-02 07:01:29,451 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15764 transitions. Word has length 255
[2024-12-02 07:01:29,451 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:29,451 INFO L471 AbstractCegarLoop]: Abstraction has 13530 states and 15764 transitions.
[2024-12-02 07:01:29,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15764 transitions.
[2024-12-02 07:01:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2024-12-02 07:01:29,459 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:29,459 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:29,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 07:01:29,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 07:01:29,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:29,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:29,661 INFO L85 PathProgramCache]: Analyzing trace with hash -632041158, now seen corresponding path program 1 times
[2024-12-02 07:01:29,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:29,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678434722]
[2024-12-02 07:01:29,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-12-02 07:01:29,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678434722]
[2024-12-02 07:01:29,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678434722] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:29,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920456869]
[2024-12-02 07:01:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:29,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:29,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:29,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:29,878 INFO L87 Difference]: Start difference. First operand 13530 states and 15764 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:30,537 INFO L93 Difference]: Finished difference Result 25732 states and 30045 transitions.
[2024-12-02 07:01:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 271
[2024-12-02 07:01:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:30,548 INFO L225 Difference]: With dead ends: 25732
[2024-12-02 07:01:30,548 INFO L226 Difference]: Without dead ends: 12204
[2024-12-02 07:01:30,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:30,556 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 168 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:30,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 132 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:01:30,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12204 states.
[2024-12-02 07:01:30,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12204 to 10913.
[2024-12-02 07:01:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 10912 states have (on average 1.1198680351906158) internal successors, (12220), 10912 states have internal predecessors, (12220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 12220 transitions.
[2024-12-02 07:01:30,648 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 12220 transitions. Word has length 271
[2024-12-02 07:01:30,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:30,648 INFO L471 AbstractCegarLoop]: Abstraction has 10913 states and 12220 transitions.
[2024-12-02 07:01:30,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 12220 transitions.
[2024-12-02 07:01:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-12-02 07:01:30,653 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:30,653 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:30,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 07:01:30,654 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:30,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash 323334857, now seen corresponding path program 1 times
[2024-12-02 07:01:30,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:30,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788159976]
[2024-12-02 07:01:30,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:01:31,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788159976]
[2024-12-02 07:01:31,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788159976] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:01:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440793165]
[2024-12-02 07:01:31,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:31,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:01:31,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:01:31,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:01:31,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 07:01:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:31,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 07:01:31,192 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:01:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-12-02 07:01:31,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:01:31,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440793165] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:31,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:01:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-12-02 07:01:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772143208]
[2024-12-02 07:01:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:31,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:31,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:31,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:31,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:01:31,455 INFO L87 Difference]: Start difference. First operand 10913 states and 12220 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:32,078 INFO L93 Difference]: Finished difference Result 22196 states and 24830 transitions.
[2024-12-02 07:01:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 293
[2024-12-02 07:01:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:32,086 INFO L225 Difference]: With dead ends: 22196
[2024-12-02 07:01:32,087 INFO L226 Difference]: Without dead ends: 11101
[2024-12-02 07:01:32,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-12-02 07:01:32,092 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:32,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 361 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:01:32,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11101 states.
[2024-12-02 07:01:32,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11101 to 10729.
[2024-12-02 07:01:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10729 states, 10728 states have (on average 1.1189410887397464) internal successors, (12004), 10728 states have internal predecessors, (12004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10729 states to 10729 states and 12004 transitions.
[2024-12-02 07:01:32,176 INFO L78 Accepts]: Start accepts. Automaton has 10729 states and 12004 transitions. Word has length 293
[2024-12-02 07:01:32,176 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:32,176 INFO L471 AbstractCegarLoop]: Abstraction has 10729 states and 12004 transitions.
[2024-12-02 07:01:32,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10729 states and 12004 transitions.
[2024-12-02 07:01:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310
[2024-12-02 07:01:32,182 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:32,182 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:32,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 07:01:32,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-12-02 07:01:32,383 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:32,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1215708833, now seen corresponding path program 1 times
[2024-12-02 07:01:32,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:32,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633827753]
[2024-12-02 07:01:32,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:32,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-12-02 07:01:32,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:32,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633827753]
[2024-12-02 07:01:32,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633827753] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:32,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:32,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:01:32,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087491877]
[2024-12-02 07:01:32,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:32,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:01:32,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:32,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:01:32,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:32,711 INFO L87 Difference]: Start difference. First operand 10729 states and 12004 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:33,860 INFO L93 Difference]: Finished difference Result 26254 states and 29361 transitions.
[2024-12-02 07:01:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:01:33,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 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 309
[2024-12-02 07:01:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:33,869 INFO L225 Difference]: With dead ends: 26254
[2024-12-02 07:01:33,869 INFO L226 Difference]: Without dead ends: 15343
[2024-12-02 07:01:33,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:33,875 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 341 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:33,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 70 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 07:01:33,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states.
[2024-12-02 07:01:33,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14231.
[2024-12-02 07:01:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 14230 states have (on average 1.1139142656359804) internal successors, (15851), 14230 states have internal predecessors, (15851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 15851 transitions.
[2024-12-02 07:01:34,003 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 15851 transitions. Word has length 309
[2024-12-02 07:01:34,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:34,003 INFO L471 AbstractCegarLoop]: Abstraction has 14231 states and 15851 transitions.
[2024-12-02 07:01:34,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 15851 transitions.
[2024-12-02 07:01:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321
[2024-12-02 07:01:34,007 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:34,008 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:34,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 07:01:34,008 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:34,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:34,009 INFO L85 PathProgramCache]: Analyzing trace with hash 384501595, now seen corresponding path program 1 times
[2024-12-02 07:01:34,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:34,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645048237]
[2024-12-02 07:01:34,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-12-02 07:01:34,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:34,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645048237]
[2024-12-02 07:01:34,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645048237] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:34,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:34,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:34,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107341094]
[2024-12-02 07:01:34,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:34,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:34,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:34,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:34,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:34,184 INFO L87 Difference]: Start difference. First operand 14231 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:34,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:34,813 INFO L93 Difference]: Finished difference Result 30493 states and 33970 transitions.
[2024-12-02 07:01:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:34,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 320
[2024-12-02 07:01:34,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:34,826 INFO L225 Difference]: With dead ends: 30493
[2024-12-02 07:01:34,826 INFO L226 Difference]: Without dead ends: 16264
[2024-12-02 07:01:34,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:34,834 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 195 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:34,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 119 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:01:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states.
[2024-12-02 07:01:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 14043.
[2024-12-02 07:01:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14043 states, 14042 states have (on average 1.1135165930779092) internal successors, (15636), 14042 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14043 states to 14043 states and 15636 transitions.
[2024-12-02 07:01:35,018 INFO L78 Accepts]: Start accepts. Automaton has 14043 states and 15636 transitions. Word has length 320
[2024-12-02 07:01:35,019 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:35,019 INFO L471 AbstractCegarLoop]: Abstraction has 14043 states and 15636 transitions.
[2024-12-02 07:01:35,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 14043 states and 15636 transitions.
[2024-12-02 07:01:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-12-02 07:01:35,025 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:35,026 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:35,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 07:01:35,026 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:35,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:35,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1637860003, now seen corresponding path program 1 times
[2024-12-02 07:01:35,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:35,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339287330]
[2024-12-02 07:01:35,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked.
[2024-12-02 07:01:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339287330]
[2024-12-02 07:01:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339287330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:35,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433165547]
[2024-12-02 07:01:35,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:35,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:35,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:35,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:35,140 INFO L87 Difference]: Start difference. First operand 14043 states and 15636 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:35,749 INFO L93 Difference]: Finished difference Result 29188 states and 32492 transitions.
[2024-12-02 07:01:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:35,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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
[2024-12-02 07:01:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:35,759 INFO L225 Difference]: With dead ends: 29188
[2024-12-02 07:01:35,759 INFO L226 Difference]: Without dead ends: 15147
[2024-12-02 07:01:35,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:35,768 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:35,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 110 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:01:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15147 states.
[2024-12-02 07:01:35,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15147 to 13117.
[2024-12-02 07:01:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13117 states, 13116 states have (on average 1.112458066483684) internal successors, (14591), 13116 states have internal predecessors, (14591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13117 states to 13117 states and 14591 transitions.
[2024-12-02 07:01:35,886 INFO L78 Accepts]: Start accepts. Automaton has 13117 states and 14591 transitions. Word has length 327
[2024-12-02 07:01:35,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:35,886 INFO L471 AbstractCegarLoop]: Abstraction has 13117 states and 14591 transitions.
[2024-12-02 07:01:35,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 13117 states and 14591 transitions.
[2024-12-02 07:01:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350
[2024-12-02 07:01:35,890 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:35,890 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:35,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 07:01:35,890 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:35,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:35,890 INFO L85 PathProgramCache]: Analyzing trace with hash -694285539, now seen corresponding path program 1 times
[2024-12-02 07:01:35,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:35,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160671017]
[2024-12-02 07:01:35,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:35,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-12-02 07:01:36,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:36,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160671017]
[2024-12-02 07:01:36,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160671017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:36,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:36,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:36,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592980612]
[2024-12-02 07:01:36,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:36,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 07:01:36,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:36,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 07:01:36,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:36,065 INFO L87 Difference]: Start difference. First operand 13117 states and 14591 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:36,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:37,000 INFO L93 Difference]: Finished difference Result 34708 states and 38542 transitions.
[2024-12-02 07:01:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:01:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 349
[2024-12-02 07:01:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:37,014 INFO L225 Difference]: With dead ends: 34708
[2024-12-02 07:01:37,014 INFO L226 Difference]: Without dead ends: 21225
[2024-12-02 07:01:37,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 07:01:37,022 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 199 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:37,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 57 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:01:37,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21225 states.
[2024-12-02 07:01:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21225 to 21037.
[2024-12-02 07:01:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21037 states, 21036 states have (on average 1.1072447233314318) internal successors, (23292), 21036 states have internal predecessors, (23292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21037 states to 21037 states and 23292 transitions.
[2024-12-02 07:01:37,209 INFO L78 Accepts]: Start accepts. Automaton has 21037 states and 23292 transitions. Word has length 349
[2024-12-02 07:01:37,209 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:37,209 INFO L471 AbstractCegarLoop]: Abstraction has 21037 states and 23292 transitions.
[2024-12-02 07:01:37,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 21037 states and 23292 transitions.
[2024-12-02 07:01:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386
[2024-12-02 07:01:37,216 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:37,216 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:37,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 07:01:37,216 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:37,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:37,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1678028432, now seen corresponding path program 1 times
[2024-12-02 07:01:37,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:37,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139329067]
[2024-12-02 07:01:37,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:37,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-12-02 07:01:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:37,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139329067]
[2024-12-02 07:01:37,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139329067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:37,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:37,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517822853]
[2024-12-02 07:01:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:37,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:37,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:37,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:37,427 INFO L87 Difference]: Start difference. First operand 21037 states and 23292 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:38,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:38,006 INFO L93 Difference]: Finished difference Result 42253 states and 46777 transitions.
[2024-12-02 07:01:38,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:38,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 385
[2024-12-02 07:01:38,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:38,023 INFO L225 Difference]: With dead ends: 42253
[2024-12-02 07:01:38,023 INFO L226 Difference]: Without dead ends: 24164
[2024-12-02 07:01:38,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:38,032 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:38,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 128 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:01:38,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24164 states.
[2024-12-02 07:01:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24164 to 15696.
[2024-12-02 07:01:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15696 states, 15695 states have (on average 1.1086333227142402) internal successors, (17400), 15695 states have internal predecessors, (17400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15696 states to 15696 states and 17400 transitions.
[2024-12-02 07:01:38,190 INFO L78 Accepts]: Start accepts. Automaton has 15696 states and 17400 transitions. Word has length 385
[2024-12-02 07:01:38,190 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:38,190 INFO L471 AbstractCegarLoop]: Abstraction has 15696 states and 17400 transitions.
[2024-12-02 07:01:38,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15696 states and 17400 transitions.
[2024-12-02 07:01:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439
[2024-12-02 07:01:38,197 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:38,197 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:38,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 07:01:38,197 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:38,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:38,198 INFO L85 PathProgramCache]: Analyzing trace with hash -404909594, now seen corresponding path program 1 times
[2024-12-02 07:01:38,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:38,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384077268]
[2024-12-02 07:01:38,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked.
[2024-12-02 07:01:38,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:38,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384077268]
[2024-12-02 07:01:38,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384077268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:38,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:38,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:38,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469649489]
[2024-12-02 07:01:38,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:38,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:38,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:38,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:38,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:38,536 INFO L87 Difference]: Start difference. First operand 15696 states and 17400 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:39,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:39,103 INFO L93 Difference]: Finished difference Result 30853 states and 34231 transitions.
[2024-12-02 07:01:39,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:39,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 438
[2024-12-02 07:01:39,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:39,115 INFO L225 Difference]: With dead ends: 30853
[2024-12-02 07:01:39,115 INFO L226 Difference]: Without dead ends: 15527
[2024-12-02 07:01:39,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:39,121 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 112 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:39,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 146 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:01:39,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states.
[2024-12-02 07:01:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 14408.
[2024-12-02 07:01:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14408 states, 14407 states have (on average 1.1028666620392864) internal successors, (15889), 14407 states have internal predecessors, (15889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 15889 transitions.
[2024-12-02 07:01:39,251 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 15889 transitions. Word has length 438
[2024-12-02 07:01:39,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:39,252 INFO L471 AbstractCegarLoop]: Abstraction has 14408 states and 15889 transitions.
[2024-12-02 07:01:39,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 15889 transitions.
[2024-12-02 07:01:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488
[2024-12-02 07:01:39,259 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:39,259 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 07:01:39,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 07:01:39,259 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:39,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 77941500, now seen corresponding path program 1 times
[2024-12-02 07:01:39,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:39,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584904816]
[2024-12-02 07:01:39,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:39,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-12-02 07:01:39,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:39,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584904816]
[2024-12-02 07:01:39,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584904816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:39,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:39,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:01:39,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503575244]
[2024-12-02 07:01:39,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:39,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:01:39,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:39,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:01:39,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:01:39,908 INFO L87 Difference]: Start difference. First operand 14408 states and 15889 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:41,289 INFO L93 Difference]: Finished difference Result 34173 states and 37671 transitions.
[2024-12-02 07:01:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:01:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 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 487
[2024-12-02 07:01:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:41,302 INFO L225 Difference]: With dead ends: 34173
[2024-12-02 07:01:41,302 INFO L226 Difference]: Without dead ends: 19951
[2024-12-02 07:01:41,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:01:41,308 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 404 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:41,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 79 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 07:01:41,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19951 states.
[2024-12-02 07:01:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19951 to 16063.
[2024-12-02 07:01:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16063 states, 16062 states have (on average 1.0988668907981571) internal successors, (17650), 16062 states have internal predecessors, (17650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16063 states to 16063 states and 17650 transitions.
[2024-12-02 07:01:41,455 INFO L78 Accepts]: Start accepts. Automaton has 16063 states and 17650 transitions. Word has length 487
[2024-12-02 07:01:41,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:41,456 INFO L471 AbstractCegarLoop]: Abstraction has 16063 states and 17650 transitions.
[2024-12-02 07:01:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16063 states and 17650 transitions.
[2024-12-02 07:01:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492
[2024-12-02 07:01:41,464 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:41,464 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:41,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 07:01:41,465 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:41,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:41,465 INFO L85 PathProgramCache]: Analyzing trace with hash 380464736, now seen corresponding path program 1 times
[2024-12-02 07:01:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366024067]
[2024-12-02 07:01:41,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:41,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2024-12-02 07:01:42,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:42,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366024067]
[2024-12-02 07:01:42,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366024067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:42,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:42,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:01:42,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040797310]
[2024-12-02 07:01:42,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:42,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:01:42,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:42,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:01:42,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:01:42,157 INFO L87 Difference]: Start difference. First operand 16063 states and 17650 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:43,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:43,508 INFO L93 Difference]: Finished difference Result 33422 states and 36705 transitions.
[2024-12-02 07:01:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:01:43,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 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 491
[2024-12-02 07:01:43,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:43,521 INFO L225 Difference]: With dead ends: 33422
[2024-12-02 07:01:43,521 INFO L226 Difference]: Without dead ends: 17545
[2024-12-02 07:01:43,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:01:43,530 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 403 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:43,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 65 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 07:01:43,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17545 states.
[2024-12-02 07:01:43,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17545 to 11454.
[2024-12-02 07:01:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11454 states, 11453 states have (on average 1.0977036584301056) internal successors, (12572), 11453 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11454 states to 11454 states and 12572 transitions.
[2024-12-02 07:01:43,648 INFO L78 Accepts]: Start accepts. Automaton has 11454 states and 12572 transitions. Word has length 491
[2024-12-02 07:01:43,648 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:43,649 INFO L471 AbstractCegarLoop]: Abstraction has 11454 states and 12572 transitions.
[2024-12-02 07:01:43,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 11454 states and 12572 transitions.
[2024-12-02 07:01:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590
[2024-12-02 07:01:43,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:43,659 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:43,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 07:01:43,660 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:43,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:43,660 INFO L85 PathProgramCache]: Analyzing trace with hash 930769197, now seen corresponding path program 1 times
[2024-12-02 07:01:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549217367]
[2024-12-02 07:01:43,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked.
[2024-12-02 07:01:43,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:43,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549217367]
[2024-12-02 07:01:43,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549217367] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:43,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:43,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:43,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138117750]
[2024-12-02 07:01:43,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:43,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:43,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:43,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:43,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:43,949 INFO L87 Difference]: Start difference. First operand 11454 states and 12572 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:44,586 INFO L93 Difference]: Finished difference Result 24377 states and 26715 transitions.
[2024-12-02 07:01:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 589
[2024-12-02 07:01:44,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:44,595 INFO L225 Difference]: With dead ends: 24377
[2024-12-02 07:01:44,595 INFO L226 Difference]: Without dead ends: 11819
[2024-12-02 07:01:44,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:44,601 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 192 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:44,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 321 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:01:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states.
[2024-12-02 07:01:44,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 11451.
[2024-12-02 07:01:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.0831441048034935) internal successors, (12402), 11450 states have internal predecessors, (12402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12402 transitions.
[2024-12-02 07:01:44,698 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12402 transitions. Word has length 589
[2024-12-02 07:01:44,698 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:44,698 INFO L471 AbstractCegarLoop]: Abstraction has 11451 states and 12402 transitions.
[2024-12-02 07:01:44,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12402 transitions.
[2024-12-02 07:01:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704
[2024-12-02 07:01:44,706 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:01:44,706 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 07:01:44,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 07:01:44,707 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:01:44,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:01:44,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1987991014, now seen corresponding path program 1 times
[2024-12-02 07:01:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:01:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129881487]
[2024-12-02 07:01:44,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:01:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:01:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:01:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked.
[2024-12-02 07:01:44,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:01:44,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129881487]
[2024-12-02 07:01:44,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129881487] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:01:44,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:01:44,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:01:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501797320]
[2024-12-02 07:01:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:01:44,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:01:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:01:44,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:01:44,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:44,956 INFO L87 Difference]: Start difference. First operand 11451 states and 12402 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:01:45,495 INFO L93 Difference]: Finished difference Result 23264 states and 25170 transitions.
[2024-12-02 07:01:45,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:01:45,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 703
[2024-12-02 07:01:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:01:45,497 INFO L225 Difference]: With dead ends: 23264
[2024-12-02 07:01:45,497 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 07:01:45,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:01:45,504 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:01:45,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:01:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 07:01:45,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 07:01:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 07:01:45,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 703
[2024-12-02 07:01:45,505 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:01:45,505 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 07:01:45,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:01:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 07:01:45,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 07:01:45,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 07:01:45,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-12-02 07:01:45,510 INFO L422 BasicCegarLoop]: Path program 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]
[2024-12-02 07:01:45,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 07:01:51,196 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:01:51,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:01:51 BoogieIcfgContainer
[2024-12-02 07:01:51,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:01:51,220 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:01:51,220 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:01:51,220 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:01:51,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:08" (3/4) ...
[2024-12-02 07:01:51,224 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:01:51,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 07:01:51,242 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 07:01:51,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 07:01:51,244 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:01:51,388 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:01:51,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:01:51,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:01:51,389 INFO L158 Benchmark]: Toolchain (without parser) took 44839.69ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 115.8MB in the beginning and 309.5MB in the end (delta: -193.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,389 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:01:51,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.25ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 73.4MB in the end (delta: 42.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.51ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 104.7MB in the end (delta: -31.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,390 INFO L158 Benchmark]: Boogie Preprocessor took 125.86ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 79.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,390 INFO L158 Benchmark]: RCFGBuilder took 1626.89ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 79.8MB in the beginning and 305.1MB in the end (delta: -225.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,394 INFO L158 Benchmark]: TraceAbstraction took 42322.06ms. Allocated memory was 419.4MB in the beginning and 402.7MB in the end (delta: -16.8MB). Free memory was 304.1MB in the beginning and 326.2MB in the end (delta: -22.1MB). Peak memory consumption was 618.3MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,394 INFO L158 Benchmark]: Witness Printer took 168.48ms. Allocated memory is still 402.7MB. Free memory was 326.2MB in the beginning and 309.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:01:51,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 481.25ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 73.4MB in the end (delta: 42.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 108.51ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 104.7MB in the end (delta: -31.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 125.86ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 79.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1626.89ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 79.8MB in the beginning and 305.1MB in the end (delta: -225.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 42322.06ms. Allocated memory was 419.4MB in the beginning and 402.7MB in the end (delta: -16.8MB). Free memory was 304.1MB in the beginning and 326.2MB in the end (delta: -22.1MB). Peak memory consumption was 618.3MB. Max. memory is 16.1GB.
* Witness Printer took 168.48ms. Allocated memory is still 402.7MB. Free memory was 326.2MB in the beginning and 309.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 82]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.6s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 22.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6466 SdHoareTripleChecker+Valid, 20.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6466 mSDsluCounter, 4319 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 651 mSDsCounter, 3269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20432 IncrementalHoareTripleChecker+Invalid, 23701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3269 mSolverCounterUnsat, 3668 mSDtfsCounter, 20432 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21037occurred in iteration=18, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 31785 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 7790 NumberOfCodeBlocks, 7790 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7998 ConstructedInterpolants, 0 QuantifiedInterpolants, 23183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 7555/7783 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 1044]: Loop Invariant
Derived loop invariant: (((((((((((((((((((((((((((((a29 <= 140) && (a4 == 0)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= ((long long) a23 + 42))) && (a25 == 10)) || (((((((((long long) a29 + 21) <= 0) && (a4 == 0)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= ((long long) a23 + 42))) && ((a25 == 13) || (a25 == 12)))) || (((((((long long) 28300 + a29) <= 0) && (a4 == 0)) && (a3 == 1)) && (a8 == 15)) && (a25 == 10))) || ((((((a29 <= 384312) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || ((((((a29 <= 140) && (a4 == 0)) && (a25 == 11)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((((long long) a29 + 21) <= 0) && (a4 == 0)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15)) && (a25 == 10))) || (((((a25 == 11) && (a29 <= 599999)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((((a25 == 11) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))) && (((long long) a23 + 599772) <= 0))) || (((((((a29 <= 140) && (a4 == 0)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 138)) && (a8 == 15)) && (0 <= ((long long) a23 + 42)))) || ((((((a29 <= 384312) && (307 <= a23)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || ((((((((long long) a23 + 43) <= 0) && (a3 == 1)) && (a4 == 1)) && (214883 <= a29)) && (a8 == 15)) && (a25 == 10))) || (((((((a4 == 0) && (a25 == 11)) && (278 <= a29)) && (a29 <= 599999)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((a29 <= 245) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || ((((((((long long) a29 + 21) <= 0) && (a4 == 0)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((a29 <= 275) && (a25 == 12)) && (a4 == 0)) && (a3 == 1)) && (a8 == 15))) || (((((a29 <= 275) && (a25 == 9)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((a29 <= 245) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10))) || ((((((((a25 == 11) && (278 <= a29)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))) && (a23 <= 138)) && (0 <= ((long long) a23 + 42)))) || ((((((a25 < 11) && (a3 == 1)) && (a4 == 1)) && (((long long) a29 + 287232) <= 0)) && (312 <= a23)) && (a8 == 15))) || ((((((a29 <= 384312) && (a25 == 9)) && (a3 == 1)) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((307 <= a23) && (a29 <= 599999)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10))) || ((a29 <= 599999) && ((((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a8 == 15)) && (a25 == 10)) || (((((278 <= a29) && (a3 == 1)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15))))) || (((((((a29 <= 384312) && (a4 == 0)) && (278 <= a29)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:01:51,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73e5d7-f715-4e1d-b023-899b8549b2ef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE