./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.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_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/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_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/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_6ccd75c9-0659-432b-982c-30fa189efe2b/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 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 05:52:25,531 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 05:52:25,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 05:52:25,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 05:52:25,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 05:52:25,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 05:52:25,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 05:52:25,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 05:52:25,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 05:52:25,623 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 05:52:25,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 05:52:25,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 05:52:25,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 05:52:25,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 05:52:25,623 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 05:52:25,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 05:52:25,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 05:52:25,625 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 05:52:25,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 05:52:25,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 05:52:25,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 05:52:25,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 05:52:25,626 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_6ccd75c9-0659-432b-982c-30fa189efe2b/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 -> 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748
[2024-12-02 05:52:25,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 05:52:25,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 05:52:25,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 05:52:25,897 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 05:52:25,897 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 05:52:25,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c
[2024-12-02 05:52:28,886 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/data/054a94d78/539df7bdef3f49b9834dd3ee0efcb1c6/FLAGadf4a354c
[2024-12-02 05:52:29,186 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 05:52:29,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/sv-benchmarks/c/eca-rers2012/Problem16_label32.c
[2024-12-02 05:52:29,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/data/054a94d78/539df7bdef3f49b9834dd3ee0efcb1c6/FLAGadf4a354c
[2024-12-02 05:52:29,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/data/054a94d78/539df7bdef3f49b9834dd3ee0efcb1c6
[2024-12-02 05:52:29,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 05:52:29,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 05:52:29,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 05:52:29,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 05:52:29,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 05:52:29,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:52:29" (1/1) ...
[2024-12-02 05:52:29,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da66790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:29, skipping insertion in model container
[2024-12-02 05:52:29,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:52:29" (1/1) ...
[2024-12-02 05:52:29,288 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 05:52:29,503 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_6ccd75c9-0659-432b-982c-30fa189efe2b/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134]
[2024-12-02 05:52:29,829 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 05:52:29,841 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 05:52:29,864 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_6ccd75c9-0659-432b-982c-30fa189efe2b/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134]
[2024-12-02 05:52:30,048 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 05:52:30,066 INFO L204 MainTranslator]: Completed translation
[2024-12-02 05:52:30,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30 WrapperNode
[2024-12-02 05:52:30,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 05:52:30,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 05:52:30,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 05:52:30,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 05:52:30,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,226 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769
[2024-12-02 05:52:30,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 05:52:30,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 05:52:30,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 05:52:30,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 05:52:30,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,347 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 05:52:30,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,398 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 05:52:30,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 05:52:30,469 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 05:52:30,469 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 05:52:30,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (1/1) ...
[2024-12-02 05:52:30,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 05:52:30,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 05:52:30,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 05:52:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 05:52:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 05:52:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 05:52:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 05:52:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 05:52:30,602 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 05:52:30,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 05:52:32,941 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live.
[2024-12-02 05:52:32,941 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 05:52:32,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 05:52:32,961 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 05:52:32,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:52:32 BoogieIcfgContainer
[2024-12-02 05:52:32,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 05:52:32,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 05:52:32,964 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 05:52:32,969 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 05:52:32,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:52:29" (1/3) ...
[2024-12-02 05:52:32,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908030f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:52:32, skipping insertion in model container
[2024-12-02 05:52:32,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:52:30" (2/3) ...
[2024-12-02 05:52:32,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908030f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:52:32, skipping insertion in model container
[2024-12-02 05:52:32,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:52:32" (3/3) ...
[2024-12-02 05:52:32,972 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c
[2024-12-02 05:52:32,984 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 05:52:32,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem16_label32.c that has 1 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 05:52:33,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 05:52:33,057 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;@54a3efc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 05:52:33,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 05:52:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 05:52:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-02 05:52:33,068 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:33,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 05:52:33,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:33,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:33,073 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times
[2024-12-02 05:52:33,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:33,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856417012]
[2024-12-02 05:52:33,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:33,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:33,396 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 05:52:33,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:33,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856417012]
[2024-12-02 05:52:33,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856417012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:33,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:33,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 05:52:33,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039132396]
[2024-12-02 05:52:33,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:33,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:33,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:33,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:33,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:33,423 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 05:52:35,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:35,259 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions.
[2024-12-02 05:52:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:35,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48
[2024-12-02 05:52:35,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:35,270 INFO L225 Difference]: With dead ends: 1122
[2024-12-02 05:52:35,270 INFO L226 Difference]: Without dead ends: 662
[2024-12-02 05:52:35,273 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 05:52:35,276 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 339 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:35,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-12-02 05:52:35,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states.
[2024-12-02 05:52:35,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662.
[2024-12-02 05:52:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 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 05:52:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions.
[2024-12-02 05:52:35,345 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 48
[2024-12-02 05:52:35,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:35,346 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions.
[2024-12-02 05:52:35,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 05:52:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions.
[2024-12-02 05:52:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-12-02 05:52:35,349 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:35,350 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 05:52:35,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 05:52:35,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1804624620, now seen corresponding path program 1 times
[2024-12-02 05:52:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:35,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643002926]
[2024-12-02 05:52:35,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:35,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:35,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643002926]
[2024-12-02 05:52:35,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643002926] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:35,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 05:52:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995801077]
[2024-12-02 05:52:35,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:35,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:35,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:35,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:35,645 INFO L87 Difference]: Start difference. First operand 662 states and 1004 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 05:52:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:37,305 INFO L93 Difference]: Finished difference Result 1982 states and 3008 transitions.
[2024-12-02 05:52:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:37,306 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 116
[2024-12-02 05:52:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:37,311 INFO L225 Difference]: With dead ends: 1982
[2024-12-02 05:52:37,311 INFO L226 Difference]: Without dead ends: 1322
[2024-12-02 05:52:37,313 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 05:52:37,314 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 270 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:37,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 218 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-12-02 05:52:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states.
[2024-12-02 05:52:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1320.
[2024-12-02 05:52:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4564063684609552) internal successors, (1921), 1319 states have internal predecessors, (1921), 0 states have call successors, (0), 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 05:52:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1921 transitions.
[2024-12-02 05:52:37,367 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1921 transitions. Word has length 116
[2024-12-02 05:52:37,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:37,367 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 1921 transitions.
[2024-12-02 05:52:37,368 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 05:52:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1921 transitions.
[2024-12-02 05:52:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-12-02 05:52:37,370 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:37,370 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:37,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 05:52:37,370 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:37,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1474248235, now seen corresponding path program 1 times
[2024-12-02 05:52:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:37,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700527097]
[2024-12-02 05:52:37,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:37,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:37,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700527097]
[2024-12-02 05:52:37,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700527097] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:37,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:37,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 05:52:37,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171258843]
[2024-12-02 05:52:37,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:37,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:37,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:37,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:37,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:37,535 INFO L87 Difference]: Start difference. First operand 1320 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 05:52:39,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:39,143 INFO L93 Difference]: Finished difference Result 3954 states and 5758 transitions.
[2024-12-02 05:52:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:39,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 127
[2024-12-02 05:52:39,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:39,153 INFO L225 Difference]: With dead ends: 3954
[2024-12-02 05:52:39,153 INFO L226 Difference]: Without dead ends: 2636
[2024-12-02 05:52:39,154 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 05:52:39,156 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 369 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:39,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-02 05:52:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states.
[2024-12-02 05:52:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636.
[2024-12-02 05:52:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3248576850094878) internal successors, (3491), 2635 states have internal predecessors, (3491), 0 states have call successors, (0), 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 05:52:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3491 transitions.
[2024-12-02 05:52:39,204 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3491 transitions. Word has length 127
[2024-12-02 05:52:39,204 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:39,204 INFO L471 AbstractCegarLoop]: Abstraction has 2636 states and 3491 transitions.
[2024-12-02 05:52:39,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 05:52:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3491 transitions.
[2024-12-02 05:52:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-12-02 05:52:39,208 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:39,208 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:39,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 05:52:39,209 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:39,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:39,210 INFO L85 PathProgramCache]: Analyzing trace with hash 524059219, now seen corresponding path program 1 times
[2024-12-02 05:52:39,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:39,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351226659]
[2024-12-02 05:52:39,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:39,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:39,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351226659]
[2024-12-02 05:52:39,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351226659] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:39,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:39,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 05:52:39,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607134335]
[2024-12-02 05:52:39,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:39,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:39,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:39,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:39,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:39,425 INFO L87 Difference]: Start difference. First operand 2636 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 05:52:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:40,771 INFO L93 Difference]: Finished difference Result 6586 states and 8550 transitions.
[2024-12-02 05:52:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:40,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 179
[2024-12-02 05:52:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:40,786 INFO L225 Difference]: With dead ends: 6586
[2024-12-02 05:52:40,786 INFO L226 Difference]: Without dead ends: 3952
[2024-12-02 05:52:40,789 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 05:52:40,790 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 278 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:40,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 83 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 05:52:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states.
[2024-12-02 05:52:40,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952.
[2024-12-02 05:52:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 0 states have call successors, (0), 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 05:52:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions.
[2024-12-02 05:52:40,882 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 179
[2024-12-02 05:52:40,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:40,882 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions.
[2024-12-02 05:52:40,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 05:52:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions.
[2024-12-02 05:52:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-12-02 05:52:40,887 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:40,888 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:40,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 05:52:40,888 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:40,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:40,889 INFO L85 PathProgramCache]: Analyzing trace with hash 172831567, now seen corresponding path program 1 times
[2024-12-02 05:52:40,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:40,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862101655]
[2024-12-02 05:52:40,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:41,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:41,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862101655]
[2024-12-02 05:52:41,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862101655] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:41,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:41,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:41,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457930054]
[2024-12-02 05:52:41,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:41,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:41,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:41,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:41,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:41,237 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 05:52:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:42,699 INFO L93 Difference]: Finished difference Result 9547 states and 11836 transitions.
[2024-12-02 05:52:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:42,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 283
[2024-12-02 05:52:42,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:42,709 INFO L225 Difference]: With dead ends: 9547
[2024-12-02 05:52:42,709 INFO L226 Difference]: Without dead ends: 5597
[2024-12-02 05:52:42,712 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 05:52:42,713 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 294 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:42,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 247 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 05:52:42,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states.
[2024-12-02 05:52:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597.
[2024-12-02 05:52:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.2101501072194425) internal successors, (6772), 5596 states have internal predecessors, (6772), 0 states have call successors, (0), 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 05:52:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6772 transitions.
[2024-12-02 05:52:42,812 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6772 transitions. Word has length 283
[2024-12-02 05:52:42,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:42,813 INFO L471 AbstractCegarLoop]: Abstraction has 5597 states and 6772 transitions.
[2024-12-02 05:52:42,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 05:52:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6772 transitions.
[2024-12-02 05:52:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-12-02 05:52:42,817 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:42,817 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:42,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 05:52:42,818 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:42,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash -558533194, now seen corresponding path program 1 times
[2024-12-02 05:52:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:42,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546152872]
[2024-12-02 05:52:42,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:42,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:43,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:43,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546152872]
[2024-12-02 05:52:43,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546152872] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:43,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:43,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:43,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715520444]
[2024-12-02 05:52:43,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:43,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 05:52:43,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:43,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 05:52:43,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 05:52:43,373 INFO L87 Difference]: Start difference. First operand 5597 states and 6772 transitions. Second operand has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:52:44,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:44,833 INFO L93 Difference]: Finished difference Result 11521 states and 13883 transitions.
[2024-12-02 05:52:44,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 05:52:44,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:52:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:44,844 INFO L225 Difference]: With dead ends: 11521
[2024-12-02 05:52:44,844 INFO L226 Difference]: Without dead ends: 5926
[2024-12-02 05:52:44,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 05:52:44,850 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 127 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:44,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-12-02 05:52:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states.
[2024-12-02 05:52:44,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926.
[2024-12-02 05:52:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.199493670886076) internal successors, (7107), 5925 states have internal predecessors, (7107), 0 states have call successors, (0), 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 05:52:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 7107 transitions.
[2024-12-02 05:52:44,974 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 7107 transitions. Word has length 293
[2024-12-02 05:52:44,974 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:44,974 INFO L471 AbstractCegarLoop]: Abstraction has 5926 states and 7107 transitions.
[2024-12-02 05:52:44,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:52:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 7107 transitions.
[2024-12-02 05:52:44,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381
[2024-12-02 05:52:44,982 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:44,982 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:44,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 05:52:44,983 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:44,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:44,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1448798937, now seen corresponding path program 1 times
[2024-12-02 05:52:44,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:44,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144556089]
[2024-12-02 05:52:44,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 05:52:45,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:45,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144556089]
[2024-12-02 05:52:45,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144556089] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:45,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 05:52:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118057842]
[2024-12-02 05:52:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:45,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 05:52:45,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:45,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 05:52:45,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 05:52:45,736 INFO L87 Difference]: Start difference. First operand 5926 states and 7107 transitions. Second operand has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 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 05:52:47,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:47,652 INFO L93 Difference]: Finished difference Result 11380 states and 13724 transitions.
[2024-12-02 05:52:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 05:52:47,652 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 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 380
[2024-12-02 05:52:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:47,661 INFO L225 Difference]: With dead ends: 11380
[2024-12-02 05:52:47,661 INFO L226 Difference]: Without dead ends: 5597
[2024-12-02 05:52:47,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 05:52:47,665 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 314 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:47,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 289 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-12-02 05:52:47,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states.
[2024-12-02 05:52:47,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597.
[2024-12-02 05:52:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0816654753395283) internal successors, (6053), 5596 states have internal predecessors, (6053), 0 states have call successors, (0), 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 05:52:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6053 transitions.
[2024-12-02 05:52:47,743 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6053 transitions. Word has length 380
[2024-12-02 05:52:47,744 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:47,744 INFO L471 AbstractCegarLoop]: Abstraction has 5597 states and 6053 transitions.
[2024-12-02 05:52:47,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 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 05:52:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6053 transitions.
[2024-12-02 05:52:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388
[2024-12-02 05:52:47,750 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:47,750 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:47,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 05:52:47,751 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:47,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1598800591, now seen corresponding path program 1 times
[2024-12-02 05:52:47,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:47,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085358126]
[2024-12-02 05:52:47,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:47,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2024-12-02 05:52:48,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085358126]
[2024-12-02 05:52:48,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085358126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:48,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:48,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:48,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189207448]
[2024-12-02 05:52:48,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:48,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:48,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:48,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:48,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:48,138 INFO L87 Difference]: Start difference. First operand 5597 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:52:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:49,090 INFO L93 Difference]: Finished difference Result 12837 states and 13987 transitions.
[2024-12-02 05:52:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:49,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 387
[2024-12-02 05:52:49,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:49,102 INFO L225 Difference]: With dead ends: 12837
[2024-12-02 05:52:49,103 INFO L226 Difference]: Without dead ends: 7571
[2024-12-02 05:52:49,105 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 05:52:49,106 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 301 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:49,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 40 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 05:52:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states.
[2024-12-02 05:52:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7242.
[2024-12-02 05:52:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0860378400773374) internal successors, (7864), 7241 states have internal predecessors, (7864), 0 states have call successors, (0), 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 05:52:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7864 transitions.
[2024-12-02 05:52:49,177 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7864 transitions. Word has length 387
[2024-12-02 05:52:49,178 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:49,178 INFO L471 AbstractCegarLoop]: Abstraction has 7242 states and 7864 transitions.
[2024-12-02 05:52:49,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:52:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7864 transitions.
[2024-12-02 05:52:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442
[2024-12-02 05:52:49,186 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:49,186 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 05:52:49,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 05:52:49,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:49,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:49,187 INFO L85 PathProgramCache]: Analyzing trace with hash -357336600, now seen corresponding path program 1 times
[2024-12-02 05:52:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:49,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363482226]
[2024-12-02 05:52:49,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-12-02 05:52:49,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363482226]
[2024-12-02 05:52:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363482226] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:49,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:49,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:49,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39760183]
[2024-12-02 05:52:49,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:49,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:49,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:49,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:49,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:49,605 INFO L87 Difference]: Start difference. First operand 7242 states and 7864 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 05:52:50,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:50,519 INFO L93 Difference]: Finished difference Result 16127 states and 17609 transitions.
[2024-12-02 05:52:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:50,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 441
[2024-12-02 05:52:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:50,537 INFO L225 Difference]: With dead ends: 16127
[2024-12-02 05:52:50,537 INFO L226 Difference]: Without dead ends: 9216
[2024-12-02 05:52:50,541 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 05:52:50,542 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 286 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:50,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 442 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 05:52:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states.
[2024-12-02 05:52:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 8887.
[2024-12-02 05:52:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.0764123340085527) internal successors, (9565), 8886 states have internal predecessors, (9565), 0 states have call successors, (0), 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 05:52:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9565 transitions.
[2024-12-02 05:52:50,647 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9565 transitions. Word has length 441
[2024-12-02 05:52:50,647 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:50,648 INFO L471 AbstractCegarLoop]: Abstraction has 8887 states and 9565 transitions.
[2024-12-02 05:52:50,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 05:52:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9565 transitions.
[2024-12-02 05:52:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503
[2024-12-02 05:52:50,651 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:50,651 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 05:52:50,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 05:52:50,652 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:50,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash 913996250, now seen corresponding path program 1 times
[2024-12-02 05:52:50,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:50,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633556138]
[2024-12-02 05:52:50,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:50,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked.
[2024-12-02 05:52:51,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:51,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633556138]
[2024-12-02 05:52:51,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633556138] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 05:52:51,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286030765]
[2024-12-02 05:52:51,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:51,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 05:52:51,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 05:52:51,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 05:52:51,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 05:52:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:51,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 05:52:51,283 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 05:52:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked.
[2024-12-02 05:52:51,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 05:52:51,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286030765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:51,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 05:52:51,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-12-02 05:52:51,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356485312]
[2024-12-02 05:52:51,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:51,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:51,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:51,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 05:52:51,878 INFO L87 Difference]: Start difference. First operand 8887 states and 9565 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 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 05:52:52,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:52,584 INFO L93 Difference]: Finished difference Result 11192 states and 11932 transitions.
[2024-12-02 05:52:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:52,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 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 502
[2024-12-02 05:52:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:52,600 INFO L225 Difference]: With dead ends: 11192
[2024-12-02 05:52:52,600 INFO L226 Difference]: Without dead ends: 11190
[2024-12-02 05:52:52,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 05:52:52,603 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:52,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 05:52:52,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states.
[2024-12-02 05:52:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 9545.
[2024-12-02 05:52:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0735540653813915) internal successors, (10246), 9544 states have internal predecessors, (10246), 0 states have call successors, (0), 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 05:52:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10246 transitions.
[2024-12-02 05:52:52,695 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10246 transitions. Word has length 502
[2024-12-02 05:52:52,695 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:52,695 INFO L471 AbstractCegarLoop]: Abstraction has 9545 states and 10246 transitions.
[2024-12-02 05:52:52,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 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 05:52:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10246 transitions.
[2024-12-02 05:52:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843
[2024-12-02 05:52:52,706 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:52,707 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 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, 2, 2, 2, 2, 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]
[2024-12-02 05:52:52,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 05:52:52,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 05:52:52,907 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:52,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:52,908 INFO L85 PathProgramCache]: Analyzing trace with hash -89410319, now seen corresponding path program 1 times
[2024-12-02 05:52:52,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:52,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590497882]
[2024-12-02 05:52:52,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked.
[2024-12-02 05:52:53,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:53,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590497882]
[2024-12-02 05:52:53,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590497882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:53,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:53,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:53,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175768973]
[2024-12-02 05:52:53,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:53,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 05:52:53,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:53,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 05:52:53,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 05:52:53,959 INFO L87 Difference]: Start difference. First operand 9545 states and 10246 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 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 05:52:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:55,395 INFO L93 Difference]: Finished difference Result 23038 states and 24754 transitions.
[2024-12-02 05:52:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 05:52:55,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 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 842
[2024-12-02 05:52:55,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:55,419 INFO L225 Difference]: With dead ends: 23038
[2024-12-02 05:52:55,419 INFO L226 Difference]: Without dead ends: 13824
[2024-12-02 05:52:55,426 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 05:52:55,427 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 272 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:55,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 94 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-12-02 05:52:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states.
[2024-12-02 05:52:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 13493.
[2024-12-02 05:52:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.071227394011266) internal successors, (14453), 13492 states have internal predecessors, (14453), 0 states have call successors, (0), 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 05:52:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14453 transitions.
[2024-12-02 05:52:55,590 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14453 transitions. Word has length 842
[2024-12-02 05:52:55,590 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:55,591 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14453 transitions.
[2024-12-02 05:52:55,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 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 05:52:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14453 transitions.
[2024-12-02 05:52:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881
[2024-12-02 05:52:55,601 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:55,602 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:55,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 05:52:55,602 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:55,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:55,603 INFO L85 PathProgramCache]: Analyzing trace with hash -778674332, now seen corresponding path program 1 times
[2024-12-02 05:52:55,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:55,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640237320]
[2024-12-02 05:52:55,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 1122 proven. 0 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked.
[2024-12-02 05:52:56,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:56,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640237320]
[2024-12-02 05:52:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640237320] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:56,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:56,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:56,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144206061]
[2024-12-02 05:52:56,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:56,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 05:52:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:56,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 05:52:56,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 05:52:56,448 INFO L87 Difference]: Start difference. First operand 13493 states and 14453 transitions. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 05:52:57,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:57,480 INFO L93 Difference]: Finished difference Result 26326 states and 28237 transitions.
[2024-12-02 05:52:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 880
[2024-12-02 05:52:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:57,499 INFO L225 Difference]: With dead ends: 26326
[2024-12-02 05:52:57,499 INFO L226 Difference]: Without dead ends: 13493
[2024-12-02 05:52:57,507 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 05:52:57,507 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:57,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 118 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 05:52:57,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-12-02 05:52:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493.
[2024-12-02 05:52:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0710050400237177) internal successors, (14450), 13492 states have internal predecessors, (14450), 0 states have call successors, (0), 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 05:52:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14450 transitions.
[2024-12-02 05:52:57,678 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14450 transitions. Word has length 880
[2024-12-02 05:52:57,679 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:57,679 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14450 transitions.
[2024-12-02 05:52:57,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 05:52:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14450 transitions.
[2024-12-02 05:52:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942
[2024-12-02 05:52:57,695 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:57,696 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 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 05:52:57,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 05:52:57,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:57,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:57,697 INFO L85 PathProgramCache]: Analyzing trace with hash 982923058, now seen corresponding path program 1 times
[2024-12-02 05:52:57,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:57,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540528063]
[2024-12-02 05:52:57,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:57,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:52:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 1202 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked.
[2024-12-02 05:52:58,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:52:58,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540528063]
[2024-12-02 05:52:58,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540528063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:52:58,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:52:58,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:52:58,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157070539]
[2024-12-02 05:52:58,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:52:58,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:52:58,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:52:58,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:52:58,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:52:58,346 INFO L87 Difference]: Start difference. First operand 13493 states and 14450 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 05:52:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:52:59,318 INFO L93 Difference]: Finished difference Result 26326 states and 28234 transitions.
[2024-12-02 05:52:59,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:52:59,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 941
[2024-12-02 05:52:59,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:52:59,335 INFO L225 Difference]: With dead ends: 26326
[2024-12-02 05:52:59,336 INFO L226 Difference]: Without dead ends: 13493
[2024-12-02 05:52:59,343 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 05:52:59,343 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 222 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 05:52:59,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 433 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 05:52:59,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-12-02 05:52:59,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13164.
[2024-12-02 05:52:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0493048697105523) internal successors, (13812), 13163 states have internal predecessors, (13812), 0 states have call successors, (0), 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 05:52:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13812 transitions.
[2024-12-02 05:52:59,463 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13812 transitions. Word has length 941
[2024-12-02 05:52:59,464 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:52:59,464 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 13812 transitions.
[2024-12-02 05:52:59,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 05:52:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13812 transitions.
[2024-12-02 05:52:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943
[2024-12-02 05:52:59,473 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:52:59,474 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 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 05:52:59,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 05:52:59,474 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:52:59,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:52:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash 578436969, now seen corresponding path program 1 times
[2024-12-02 05:52:59,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:52:59,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456135325]
[2024-12-02 05:52:59,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:52:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:52:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 852 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked.
[2024-12-02 05:53:00,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:00,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456135325]
[2024-12-02 05:53:00,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456135325] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:00,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:00,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:00,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442788646]
[2024-12-02 05:53:00,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:00,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:00,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:00,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:00,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:00,453 INFO L87 Difference]: Start difference. First operand 13164 states and 13812 transitions. Second operand has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 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 05:53:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:01,299 INFO L93 Difference]: Finished difference Result 25997 states and 27295 transitions.
[2024-12-02 05:53:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:01,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 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 942
[2024-12-02 05:53:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:01,309 INFO L225 Difference]: With dead ends: 25997
[2024-12-02 05:53:01,309 INFO L226 Difference]: Without dead ends: 13493
[2024-12-02 05:53:01,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 05:53:01,315 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 211 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:01,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 35 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 05:53:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-12-02 05:53:01,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493.
[2024-12-02 05:53:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0448413874888822) internal successors, (14097), 13492 states have internal predecessors, (14097), 0 states have call successors, (0), 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 05:53:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14097 transitions.
[2024-12-02 05:53:01,431 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14097 transitions. Word has length 942
[2024-12-02 05:53:01,432 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:01,432 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14097 transitions.
[2024-12-02 05:53:01,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 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 05:53:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14097 transitions.
[2024-12-02 05:53:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999
[2024-12-02 05:53:01,466 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:01,466 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 2, 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]
[2024-12-02 05:53:01,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 05:53:01,467 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:01,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1689075805, now seen corresponding path program 1 times
[2024-12-02 05:53:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832628905]
[2024-12-02 05:53:01,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:01,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 964 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked.
[2024-12-02 05:53:02,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:02,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832628905]
[2024-12-02 05:53:02,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832628905] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:02,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:02,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:02,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999468893]
[2024-12-02 05:53:02,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:02,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:02,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:02,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:02,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:02,208 INFO L87 Difference]: Start difference. First operand 13493 states and 14097 transitions. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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 05:53:03,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:03,093 INFO L93 Difference]: Finished difference Result 26326 states and 27528 transitions.
[2024-12-02 05:53:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:03,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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) Word has length 998
[2024-12-02 05:53:03,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:03,107 INFO L225 Difference]: With dead ends: 26326
[2024-12-02 05:53:03,107 INFO L226 Difference]: Without dead ends: 13493
[2024-12-02 05:53:03,114 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 05:53:03,115 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 136 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:03,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 430 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 05:53:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-12-02 05:53:03,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 12835.
[2024-12-02 05:53:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0387252610254012) internal successors, (13331), 12834 states have internal predecessors, (13331), 0 states have call successors, (0), 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 05:53:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13331 transitions.
[2024-12-02 05:53:03,292 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13331 transitions. Word has length 998
[2024-12-02 05:53:03,293 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:03,293 INFO L471 AbstractCegarLoop]: Abstraction has 12835 states and 13331 transitions.
[2024-12-02 05:53:03,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 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 05:53:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13331 transitions.
[2024-12-02 05:53:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013
[2024-12-02 05:53:03,315 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:03,315 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 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, 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, 1, 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 05:53:03,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 05:53:03,315 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1052025652, now seen corresponding path program 1 times
[2024-12-02 05:53:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:03,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621044988]
[2024-12-02 05:53:03,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 932 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked.
[2024-12-02 05:53:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621044988]
[2024-12-02 05:53:03,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621044988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:03,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:03,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:03,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770374412]
[2024-12-02 05:53:03,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:03,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:03,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:03,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:03,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:03,853 INFO L87 Difference]: Start difference. First operand 12835 states and 13331 transitions. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 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 05:53:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:04,724 INFO L93 Difference]: Finished difference Result 30274 states and 31519 transitions.
[2024-12-02 05:53:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 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 1012
[2024-12-02 05:53:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:04,735 INFO L225 Difference]: With dead ends: 30274
[2024-12-02 05:53:04,735 INFO L226 Difference]: Without dead ends: 16125
[2024-12-02 05:53:04,743 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 05:53:04,743 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 143 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:04,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 430 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 05:53:04,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states.
[2024-12-02 05:53:04,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125.
[2024-12-02 05:53:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0309476556685686) internal successors, (16623), 16124 states have internal predecessors, (16623), 0 states have call successors, (0), 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 05:53:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16623 transitions.
[2024-12-02 05:53:04,870 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16623 transitions. Word has length 1012
[2024-12-02 05:53:04,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:04,870 INFO L471 AbstractCegarLoop]: Abstraction has 16125 states and 16623 transitions.
[2024-12-02 05:53:04,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 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 05:53:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16623 transitions.
[2024-12-02 05:53:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1375
[2024-12-02 05:53:04,887 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:04,887 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 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, 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, 1, 1, 1, 1, 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 05:53:04,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 05:53:04,887 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:04,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:04,888 INFO L85 PathProgramCache]: Analyzing trace with hash 199142805, now seen corresponding path program 1 times
[2024-12-02 05:53:04,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:04,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78327821]
[2024-12-02 05:53:04,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:04,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3055 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 2780 trivial. 0 not checked.
[2024-12-02 05:53:06,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:06,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78327821]
[2024-12-02 05:53:06,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78327821] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:06,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 05:53:06,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221160307]
[2024-12-02 05:53:06,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:06,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 05:53:06,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:06,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 05:53:06,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 05:53:06,009 INFO L87 Difference]: Start difference. First operand 16125 states and 16623 transitions. Second operand has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 0 states have call successors, (0), 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 05:53:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:06,529 INFO L93 Difference]: Finished difference Result 31649 states and 32639 transitions.
[2024-12-02 05:53:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 05:53:06,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 0 states have call successors, (0), 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 1374
[2024-12-02 05:53:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:06,540 INFO L225 Difference]: With dead ends: 31649
[2024-12-02 05:53:06,540 INFO L226 Difference]: Without dead ends: 16125
[2024-12-02 05:53:06,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-02 05:53:06,548 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:06,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 457 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 05:53:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states.
[2024-12-02 05:53:06,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125.
[2024-12-02 05:53:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0302654428181592) internal successors, (16612), 16124 states have internal predecessors, (16612), 0 states have call successors, (0), 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 05:53:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16612 transitions.
[2024-12-02 05:53:06,670 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16612 transitions. Word has length 1374
[2024-12-02 05:53:06,670 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:06,671 INFO L471 AbstractCegarLoop]: Abstraction has 16125 states and 16612 transitions.
[2024-12-02 05:53:06,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 0 states have call successors, (0), 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 05:53:06,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16612 transitions.
[2024-12-02 05:53:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1387
[2024-12-02 05:53:06,686 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:06,687 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:06,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 05:53:06,687 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:06,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1402643533, now seen corresponding path program 1 times
[2024-12-02 05:53:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:06,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609749906]
[2024-12-02 05:53:06,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3055 backedges. 1313 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked.
[2024-12-02 05:53:07,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:07,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609749906]
[2024-12-02 05:53:07,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609749906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:07,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:07,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:07,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340112819]
[2024-12-02 05:53:07,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:07,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:07,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:07,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:07,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:07,593 INFO L87 Difference]: Start difference. First operand 16125 states and 16612 transitions. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 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 05:53:08,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:08,407 INFO L93 Difference]: Finished difference Result 34222 states and 35378 transitions.
[2024-12-02 05:53:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:08,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 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 1386
[2024-12-02 05:53:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:08,424 INFO L225 Difference]: With dead ends: 34222
[2024-12-02 05:53:08,424 INFO L226 Difference]: Without dead ends: 17112
[2024-12-02 05:53:08,432 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 05:53:08,432 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 45 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:08,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 410 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 05:53:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states.
[2024-12-02 05:53:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 14480.
[2024-12-02 05:53:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0283859382554044) internal successors, (14890), 14479 states have internal predecessors, (14890), 0 states have call successors, (0), 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 05:53:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14890 transitions.
[2024-12-02 05:53:08,559 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14890 transitions. Word has length 1386
[2024-12-02 05:53:08,560 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:08,560 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14890 transitions.
[2024-12-02 05:53:08,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 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 05:53:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14890 transitions.
[2024-12-02 05:53:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1405
[2024-12-02 05:53:08,597 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:08,598 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 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 05:53:08,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 05:53:08,598 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:08,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash 518513249, now seen corresponding path program 1 times
[2024-12-02 05:53:08,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:08,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054025879]
[2024-12-02 05:53:08,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:08,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 1988 proven. 0 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked.
[2024-12-02 05:53:10,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:10,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054025879]
[2024-12-02 05:53:10,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054025879] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:10,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:10,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:10,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852868770]
[2024-12-02 05:53:10,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:10,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:10,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:10,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:10,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:10,043 INFO L87 Difference]: Start difference. First operand 14480 states and 14890 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 05:53:10,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:10,806 INFO L93 Difference]: Finished difference Result 28300 states and 29114 transitions.
[2024-12-02 05:53:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:10,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 1404
[2024-12-02 05:53:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:10,817 INFO L225 Difference]: With dead ends: 28300
[2024-12-02 05:53:10,817 INFO L226 Difference]: Without dead ends: 14480
[2024-12-02 05:53:10,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 05:53:10,823 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 93 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:10,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 377 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 05:53:10,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states.
[2024-12-02 05:53:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480.
[2024-12-02 05:53:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0256233165273845) internal successors, (14850), 14479 states have internal predecessors, (14850), 0 states have call successors, (0), 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 05:53:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14850 transitions.
[2024-12-02 05:53:10,941 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14850 transitions. Word has length 1404
[2024-12-02 05:53:10,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14850 transitions.
[2024-12-02 05:53:10,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 05:53:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14850 transitions.
[2024-12-02 05:53:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590
[2024-12-02 05:53:10,983 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:10,984 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:10,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 05:53:10,984 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:10,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 803231984, now seen corresponding path program 1 times
[2024-12-02 05:53:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:10,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849878504]
[2024-12-02 05:53:10,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4260 backedges. 2944 proven. 120 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked.
[2024-12-02 05:53:13,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:13,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849878504]
[2024-12-02 05:53:13,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849878504] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 05:53:13,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193545993]
[2024-12-02 05:53:13,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 05:53:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 05:53:13,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 05:53:13,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 05:53:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:14,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 05:53:14,216 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 05:53:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4260 backedges. 2984 proven. 0 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked.
[2024-12-02 05:53:15,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 05:53:15,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193545993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:15,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 05:53:15,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-12-02 05:53:15,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832504226]
[2024-12-02 05:53:15,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:15,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:15,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:15,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:15,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 05:53:15,163 INFO L87 Difference]: Start difference. First operand 14480 states and 14850 transitions. Second operand has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 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 05:53:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:15,940 INFO L93 Difference]: Finished difference Result 28300 states and 29034 transitions.
[2024-12-02 05:53:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 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 1589
[2024-12-02 05:53:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:15,948 INFO L225 Difference]: With dead ends: 28300
[2024-12-02 05:53:15,948 INFO L226 Difference]: Without dead ends: 14480
[2024-12-02 05:53:15,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1596 GetRequests, 1591 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 05:53:15,952 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:15,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 425 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 05:53:15,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states.
[2024-12-02 05:53:16,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480.
[2024-12-02 05:53:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0254851854409834) internal successors, (14848), 14479 states have internal predecessors, (14848), 0 states have call successors, (0), 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 05:53:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14848 transitions.
[2024-12-02 05:53:16,044 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14848 transitions. Word has length 1589
[2024-12-02 05:53:16,045 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:16,045 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14848 transitions.
[2024-12-02 05:53:16,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 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 05:53:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14848 transitions.
[2024-12-02 05:53:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638
[2024-12-02 05:53:16,061 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:16,061 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:16,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 05:53:16,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 05:53:16,262 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:16,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1139479655, now seen corresponding path program 1 times
[2024-12-02 05:53:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:16,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553293250]
[2024-12-02 05:53:16,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 3082 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked.
[2024-12-02 05:53:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553293250]
[2024-12-02 05:53:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553293250] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:17,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:17,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:17,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61658216]
[2024-12-02 05:53:17,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:17,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:17,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:17,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:17,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:17,994 INFO L87 Difference]: Start difference. First operand 14480 states and 14848 transitions. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 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 05:53:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:18,863 INFO L93 Difference]: Finished difference Result 28958 states and 29697 transitions.
[2024-12-02 05:53:18,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:18,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 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 1637
[2024-12-02 05:53:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:18,877 INFO L225 Difference]: With dead ends: 28958
[2024-12-02 05:53:18,878 INFO L226 Difference]: Without dead ends: 14809
[2024-12-02 05:53:18,885 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 05:53:18,885 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:18,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 429 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 05:53:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states.
[2024-12-02 05:53:19,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809.
[2024-12-02 05:53:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0249189627228525) internal successors, (15177), 14808 states have internal predecessors, (15177), 0 states have call successors, (0), 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 05:53:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15177 transitions.
[2024-12-02 05:53:19,035 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15177 transitions. Word has length 1637
[2024-12-02 05:53:19,035 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:19,035 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 15177 transitions.
[2024-12-02 05:53:19,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 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 05:53:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15177 transitions.
[2024-12-02 05:53:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1808
[2024-12-02 05:53:19,058 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:19,058 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:19,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 05:53:19,058 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:19,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash 42637010, now seen corresponding path program 1 times
[2024-12-02 05:53:19,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:19,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642022594]
[2024-12-02 05:53:19,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:19,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 4368 proven. 0 refuted. 0 times theorem prover too weak. 2189 trivial. 0 not checked.
[2024-12-02 05:53:20,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:20,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642022594]
[2024-12-02 05:53:20,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642022594] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:20,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:20,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 05:53:20,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580624553]
[2024-12-02 05:53:20,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:20,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 05:53:20,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:20,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 05:53:20,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 05:53:20,826 INFO L87 Difference]: Start difference. First operand 14809 states and 15177 transitions. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 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 05:53:21,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:21,821 INFO L93 Difference]: Finished difference Result 28958 states and 29688 transitions.
[2024-12-02 05:53:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 05:53:21,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 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 1807
[2024-12-02 05:53:21,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:21,835 INFO L225 Difference]: With dead ends: 28958
[2024-12-02 05:53:21,836 INFO L226 Difference]: Without dead ends: 14809
[2024-12-02 05:53:21,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 05:53:21,845 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 120 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:21,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 550 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 05:53:21,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states.
[2024-12-02 05:53:21,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809.
[2024-12-02 05:53:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0242436520799567) internal successors, (15167), 14808 states have internal predecessors, (15167), 0 states have call successors, (0), 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 05:53:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15167 transitions.
[2024-12-02 05:53:22,027 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15167 transitions. Word has length 1807
[2024-12-02 05:53:22,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:22,029 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 15167 transitions.
[2024-12-02 05:53:22,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 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 05:53:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15167 transitions.
[2024-12-02 05:53:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1948
[2024-12-02 05:53:22,086 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 05:53:22,086 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 05:53:22,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 05:53:22,086 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 05:53:22,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 05:53:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1896995376, now seen corresponding path program 1 times
[2024-12-02 05:53:22,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 05:53:22,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761776648]
[2024-12-02 05:53:22,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 05:53:22,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 05:53:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 05:53:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7906 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 7401 trivial. 0 not checked.
[2024-12-02 05:53:23,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 05:53:23,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761776648]
[2024-12-02 05:53:23,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761776648] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 05:53:23,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 05:53:23,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 05:53:23,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884756776]
[2024-12-02 05:53:23,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 05:53:23,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 05:53:23,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 05:53:23,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 05:53:23,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 05:53:23,660 INFO L87 Difference]: Start difference. First operand 14809 states and 15167 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 05:53:24,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 05:53:24,583 INFO L93 Difference]: Finished difference Result 33562 states and 34362 transitions.
[2024-12-02 05:53:24,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 05:53:24,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 1947
[2024-12-02 05:53:24,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 05:53:24,585 INFO L225 Difference]: With dead ends: 33562
[2024-12-02 05:53:24,585 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 05:53:24,594 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 05:53:24,594 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 286 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 05:53:24,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 401 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 05:53:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 05:53:24,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 05:53:24,595 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 05:53:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 05:53:24,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1947
[2024-12-02 05:53:24,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 05:53:24,596 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 05:53:24,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 05:53:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 05:53:24,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 05:53:24,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 05:53:24,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-12-02 05:53:24,604 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]
[2024-12-02 05:53:24,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 05:53:25,848 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 05:53:25,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:53:25 BoogieIcfgContainer
[2024-12-02 05:53:25,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 05:53:25,861 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 05:53:25,861 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 05:53:25,861 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 05:53:25,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:52:32" (3/4) ...
[2024-12-02 05:53:25,865 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 05:53:25,891 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 05:53:25,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 05:53:25,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 05:53:25,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 05:53:26,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 05:53:26,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 05:53:26,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 05:53:26,094 INFO L158 Benchmark]: Toolchain (without parser) took 56869.78ms. Allocated memory was 117.4MB in the beginning and 947.9MB in the end (delta: 830.5MB). Free memory was 87.2MB in the beginning and 589.3MB in the end (delta: -502.1MB). Peak memory consumption was 321.0MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,094 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 05:53:26,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.38ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 79.0MB in the end (delta: 8.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.09ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 55.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,096 INFO L158 Benchmark]: Boogie Preprocessor took 240.83ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 61.0MB in the end (delta: -5.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,096 INFO L158 Benchmark]: RCFGBuilder took 2492.20ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.4MB in the beginning and 83.9MB in the end (delta: -23.5MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,096 INFO L158 Benchmark]: TraceAbstraction took 52897.14ms. Allocated memory was 234.9MB in the beginning and 947.9MB in the end (delta: 713.0MB). Free memory was 83.4MB in the beginning and 610.0MB in the end (delta: -526.7MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,097 INFO L158 Benchmark]: Witness Printer took 232.03ms. Allocated memory is still 947.9MB. Free memory was 610.0MB in the beginning and 589.3MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 05:53:26,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 841.38ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 79.0MB in the end (delta: 8.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 159.09ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 55.5MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 240.83ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 61.0MB in the end (delta: -5.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB.
* RCFGBuilder took 2492.20ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.4MB in the beginning and 83.9MB in the end (delta: -23.5MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 52897.14ms. Allocated memory was 234.9MB in the beginning and 947.9MB in the end (delta: 713.0MB). Free memory was 83.4MB in the beginning and 610.0MB in the end (delta: -526.7MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB.
* Witness Printer took 232.03ms. Allocated memory is still 947.9MB. Free memory was 610.0MB in the beginning and 589.3MB in the end (delta: 20.7MB). 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: 161]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.6s, OverallIterations: 23, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4703 SdHoareTripleChecker+Valid, 23.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4703 mSDsluCounter, 6722 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 3099 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21041 IncrementalHoareTripleChecker+Invalid, 24140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3099 mSolverCounterUnsat, 6381 mSDtfsCounter, 21041 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2174 GetRequests, 2132 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=16, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 6255 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 21606 NumberOfCodeBlocks, 21606 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 21581 ConstructedInterpolants, 0 QuantifiedInterpolants, 48594 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2405 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 25 InterpolantComputations, 23 PerfectInterpolantSequences, 50144/50306 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: 1783]: Loop Invariant
Derived loop invariant: (((((((((((((((((a16 == 9) && (7 == a12)) || (((a16 == 9) && (a12 == 8)) && (((long long) a18 + 156) <= 0))) || (((a16 == 10) && (a12 == 8)) && (a15 == 3))) || (((a16 == 9) && (a12 == 8)) && (27 <= a18))) || (((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (a12 <= 6))) || ((a12 == 9) && (a16 == 9))) || (((a16 == 9) && (a12 == 8)) && (a15 != 3))) || ((a16 == 8) && (7 == a12))) || ((5 == a12) && (a15 == 3))) || ((a15 <= 3) && (7 == a12))) || ((((a16 == 8) && (a12 == 8)) && (((long long) a18 + 156) <= 0)) && (a15 != 3))) || ((a12 == 9) && (a15 <= 3))) || ((a12 == 9) && (a16 == 8))) || (((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (a12 == 8))) || ((a12 <= 6) && (a16 <= 11))) || (((a15 <= 3) && (a12 == 8)) && (11 <= a16)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 05:53:26,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ccd75c9-0659-432b-982c-30fa189efe2b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE