./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd --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 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 15:40:33,966 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 15:40:34,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 15:40:34,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 15:40:34,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 15:40:34,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 15:40:34,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 15:40:34,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 15:40:34,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 15:40:34,091 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 15:40:34,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 15:40:34,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 15:40:34,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 15:40:34,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 15:40:34,092 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 15:40:34,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 15:40:34,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 15:40:34,094 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 15:40:34,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 15:40:34,094 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 15:40:34,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 15:40:34,095 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 15:40:34,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 15:40:34,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 15:40:34,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 15:40:34,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 15:40:34,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:40:34,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 15:40:34,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 15:40:34,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 15:40:34,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 15:40:34,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 15:40:34,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 15:40:34,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 15:40:34,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 15:40:34,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 15:40:34,098 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_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd
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 -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9
[2024-11-13 15:40:34,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 15:40:34,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 15:40:34,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 15:40:34,377 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 15:40:34,377 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 15:40:34,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c
Unable to find full path for "g++"
[2024-11-13 15:40:36,276 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 15:40:36,687 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 15:40:36,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/sv-benchmarks/c/eca-rers2012/Problem11_label01.c
[2024-11-13 15:40:36,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/data/24cfcdb08/17d19addb153444f82ab9ad10a693d84/FLAG3c82998f5
[2024-11-13 15:40:36,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/data/24cfcdb08/17d19addb153444f82ab9ad10a693d84
[2024-11-13 15:40:36,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 15:40:36,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 15:40:36,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 15:40:36,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 15:40:36,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 15:40:36,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:36" (1/1) ...
[2024-11-13 15:40:36,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70de9f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:36, skipping insertion in model container
[2024-11-13 15:40:36,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:40:36" (1/1) ...
[2024-11-13 15:40:36,934 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 15:40:37,221 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_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274]
[2024-11-13 15:40:37,528 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:40:37,540 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 15:40:37,569 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_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274]
[2024-11-13 15:40:37,719 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:40:37,737 INFO L204 MainTranslator]: Completed translation
[2024-11-13 15:40:37,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37 WrapperNode
[2024-11-13 15:40:37,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 15:40:37,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 15:40:37,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 15:40:37,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 15:40:37,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,909 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999
[2024-11-13 15:40:37,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 15:40:37,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 15:40:37,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 15:40:37,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 15:40:37,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,966 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-13 15:40:37,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:37,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 15:40:38,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 15:40:38,052 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 15:40:38,052 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 15:40:38,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (1/1) ...
[2024-11-13 15:40:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:40:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:40:38,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 15:40:38,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 15:40:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 15:40:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 15:40:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 15:40:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 15:40:38,208 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 15:40:38,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 15:40:40,361 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-11-13 15:40:40,362 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 15:40:40,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 15:40:40,379 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 15:40:40,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:40 BoogieIcfgContainer
[2024-11-13 15:40:40,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 15:40:40,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 15:40:40,383 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 15:40:40,387 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 15:40:40,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:40:36" (1/3) ...
[2024-11-13 15:40:40,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4124273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:40, skipping insertion in model container
[2024-11-13 15:40:40,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:40:37" (2/3) ...
[2024-11-13 15:40:40,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4124273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:40:40, skipping insertion in model container
[2024-11-13 15:40:40,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:40" (3/3) ...
[2024-11-13 15:40:40,389 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c
[2024-11-13 15:40:40,404 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 15:40:40,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem11_label01.c that has 1 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 15:40:40,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 15:40:40,501 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;@3736faee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 15:40:40,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 15:40:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-11-13 15:40:40,519 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:40,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:40,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:40,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:40,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1936723864, now seen corresponding path program 1 times
[2024-11-13 15:40:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:40,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665578355]
[2024-11-13 15:40:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:40,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:40:41,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:41,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665578355]
[2024-11-13 15:40:41,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665578355] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:41,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:41,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:40:41,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095840262]
[2024-11-13 15:40:41,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:41,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:41,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:41,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:41,069 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:42,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:42,529 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions.
[2024-11-13 15:40:42,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:42,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 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 57
[2024-11-13 15:40:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:42,549 INFO L225 Difference]: With dead ends: 769
[2024-11-13 15:40:42,551 INFO L226 Difference]: Without dead ends: 422
[2024-11-13 15:40:42,554 INFO L431 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
[2024-11-13 15:40:42,559 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 183 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:42,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 164 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 15:40:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states.
[2024-11-13 15:40:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412.
[2024-11-13 15:40:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions.
[2024-11-13 15:40:42,641 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 57
[2024-11-13 15:40:42,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:42,642 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions.
[2024-11-13 15:40:42,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions.
[2024-11-13 15:40:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 15:40:42,649 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:42,649 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:42,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 15:40:42,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:42,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:42,650 INFO L85 PathProgramCache]: Analyzing trace with hash -22854, now seen corresponding path program 1 times
[2024-11-13 15:40:42,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:42,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056653617]
[2024-11-13 15:40:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:42,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:40:42,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056653617]
[2024-11-13 15:40:42,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056653617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:42,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:42,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:40:42,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85085589]
[2024-11-13 15:40:42,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:42,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:42,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:42,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:42,981 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:43,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:43,902 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions.
[2024-11-13 15:40:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:43,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 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 123
[2024-11-13 15:40:43,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:43,907 INFO L225 Difference]: With dead ends: 1194
[2024-11-13 15:40:43,907 INFO L226 Difference]: Without dead ends: 784
[2024-11-13 15:40:43,908 INFO L431 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
[2024-11-13 15:40:43,909 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:43,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 154 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states.
[2024-11-13 15:40:43,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784.
[2024-11-13 15:40:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions.
[2024-11-13 15:40:43,947 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 123
[2024-11-13 15:40:43,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:43,948 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions.
[2024-11-13 15:40:43,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions.
[2024-11-13 15:40:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 15:40:43,950 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:43,951 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:43,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 15:40:43,951 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:43,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -774150908, now seen corresponding path program 1 times
[2024-11-13 15:40:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091365653]
[2024-11-13 15:40:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:43,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:40:44,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:44,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091365653]
[2024-11-13 15:40:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091365653] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:44,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:44,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:40:44,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606570161]
[2024-11-13 15:40:44,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:44,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:44,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:44,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:44,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:44,515 INFO L87 Difference]: Start difference. First operand 784 states and 1076 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)
[2024-11-13 15:40:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:45,369 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions.
[2024-11-13 15:40:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:45,370 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
[2024-11-13 15:40:45,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:45,375 INFO L225 Difference]: With dead ends: 1936
[2024-11-13 15:40:45,375 INFO L226 Difference]: Without dead ends: 1154
[2024-11-13 15:40:45,376 INFO L431 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
[2024-11-13 15:40:45,377 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:45,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 15:40:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states.
[2024-11-13 15:40:45,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153.
[2024-11-13 15:40:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions.
[2024-11-13 15:40:45,408 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 127
[2024-11-13 15:40:45,408 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:45,408 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions.
[2024-11-13 15:40:45,408 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)
[2024-11-13 15:40:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions.
[2024-11-13 15:40:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-13 15:40:45,411 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:45,411 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:45,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 15:40:45,412 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:45,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:45,412 INFO L85 PathProgramCache]: Analyzing trace with hash -616610341, now seen corresponding path program 1 times
[2024-11-13 15:40:45,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:45,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572752109]
[2024-11-13 15:40:45,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:45,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:40:45,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:45,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572752109]
[2024-11-13 15:40:45,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572752109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:45,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:45,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:45,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486768428]
[2024-11-13 15:40:45,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:45,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:45,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:45,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:45,842 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:46,840 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions.
[2024-11-13 15:40:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:46,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169
[2024-11-13 15:40:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:46,850 INFO L225 Difference]: With dead ends: 2679
[2024-11-13 15:40:46,850 INFO L226 Difference]: Without dead ends: 1712
[2024-11-13 15:40:46,851 INFO L431 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
[2024-11-13 15:40:46,852 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 149 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:46,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states.
[2024-11-13 15:40:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521.
[2024-11-13 15:40:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions.
[2024-11-13 15:40:46,898 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 169
[2024-11-13 15:40:46,899 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:46,900 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions.
[2024-11-13 15:40:46,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions.
[2024-11-13 15:40:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-13 15:40:46,907 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:46,908 INFO L215 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:46,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 15:40:46,908 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:46,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:46,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1767242489, now seen corresponding path program 1 times
[2024-11-13 15:40:46,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:46,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795508236]
[2024-11-13 15:40:46,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-13 15:40:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:47,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795508236]
[2024-11-13 15:40:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795508236] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:47,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:47,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338033578]
[2024-11-13 15:40:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:47,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:47,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:47,361 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:48,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:48,413 INFO L93 Difference]: Finished difference Result 4145 states and 5277 transitions.
[2024-11-13 15:40:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:48,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 239
[2024-11-13 15:40:48,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:48,423 INFO L225 Difference]: With dead ends: 4145
[2024-11-13 15:40:48,424 INFO L226 Difference]: Without dead ends: 2626
[2024-11-13 15:40:48,425 INFO L431 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
[2024-11-13 15:40:48,428 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 150 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:48,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 348 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 15:40:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states.
[2024-11-13 15:40:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2626.
[2024-11-13 15:40:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2626 states, 2625 states have (on average 1.211809523809524) internal successors, (3181), 2625 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 3181 transitions.
[2024-11-13 15:40:48,489 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 3181 transitions. Word has length 239
[2024-11-13 15:40:48,490 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:48,490 INFO L471 AbstractCegarLoop]: Abstraction has 2626 states and 3181 transitions.
[2024-11-13 15:40:48,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3181 transitions.
[2024-11-13 15:40:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2024-11-13 15:40:48,500 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:48,500 INFO L215 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:48,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 15:40:48,501 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:48,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1582577352, now seen corresponding path program 1 times
[2024-11-13 15:40:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:48,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580261374]
[2024-11-13 15:40:48,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:48,969 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2024-11-13 15:40:48,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:48,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580261374]
[2024-11-13 15:40:48,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580261374] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:48,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:48,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:48,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040082296]
[2024-11-13 15:40:48,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:48,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:48,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:48,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:48,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:48,973 INFO L87 Difference]: Start difference. First operand 2626 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:50,031 INFO L93 Difference]: Finished difference Result 5990 states and 7353 transitions.
[2024-11-13 15:40:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:50,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 275
[2024-11-13 15:40:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:50,045 INFO L225 Difference]: With dead ends: 5990
[2024-11-13 15:40:50,045 INFO L226 Difference]: Without dead ends: 3366
[2024-11-13 15:40:50,048 INFO L431 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
[2024-11-13 15:40:50,050 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:50,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 361 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 15:40:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states.
[2024-11-13 15:40:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3361.
[2024-11-13 15:40:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3361 states, 3360 states have (on average 1.2026785714285715) internal successors, (4041), 3360 states have internal predecessors, (4041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 3361 states and 4041 transitions.
[2024-11-13 15:40:50,124 INFO L78 Accepts]: Start accepts. Automaton has 3361 states and 4041 transitions. Word has length 275
[2024-11-13 15:40:50,126 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:50,126 INFO L471 AbstractCegarLoop]: Abstraction has 3361 states and 4041 transitions.
[2024-11-13 15:40:50,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 4041 transitions.
[2024-11-13 15:40:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280
[2024-11-13 15:40:50,132 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:50,132 INFO L215 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:50,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 15:40:50,133 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:50,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash -280094636, now seen corresponding path program 1 times
[2024-11-13 15:40:50,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:50,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946697084]
[2024-11-13 15:40:50,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:50,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked.
[2024-11-13 15:40:50,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:50,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946697084]
[2024-11-13 15:40:50,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946697084] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:50,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:50,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:50,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673898896]
[2024-11-13 15:40:50,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:50,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:50,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:50,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:50,540 INFO L87 Difference]: Start difference. First operand 3361 states and 4041 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:51,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:51,485 INFO L93 Difference]: Finished difference Result 8381 states and 9936 transitions.
[2024-11-13 15:40:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:51,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 279
[2024-11-13 15:40:51,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:51,502 INFO L225 Difference]: With dead ends: 8381
[2024-11-13 15:40:51,502 INFO L226 Difference]: Without dead ends: 5022
[2024-11-13 15:40:51,505 INFO L431 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
[2024-11-13 15:40:51,506 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 162 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:51,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 389 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states.
[2024-11-13 15:40:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 5021.
[2024-11-13 15:40:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5021 states, 5020 states have (on average 1.1741035856573705) internal successors, (5894), 5020 states have internal predecessors, (5894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 5894 transitions.
[2024-11-13 15:40:51,611 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 5894 transitions. Word has length 279
[2024-11-13 15:40:51,612 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:51,612 INFO L471 AbstractCegarLoop]: Abstraction has 5021 states and 5894 transitions.
[2024-11-13 15:40:51,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 5894 transitions.
[2024-11-13 15:40:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378
[2024-11-13 15:40:51,622 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:51,622 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:51,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 15:40:51,622 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:51,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:51,623 INFO L85 PathProgramCache]: Analyzing trace with hash 257351948, now seen corresponding path program 1 times
[2024-11-13 15:40:51,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:51,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150619237]
[2024-11-13 15:40:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:51,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked.
[2024-11-13 15:40:52,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:52,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150619237]
[2024-11-13 15:40:52,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150619237] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:52,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:52,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:52,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174672595]
[2024-11-13 15:40:52,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:52,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:52,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:52,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:52,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:52,012 INFO L87 Difference]: Start difference. First operand 5021 states and 5894 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:52,941 INFO L93 Difference]: Finished difference Result 9670 states and 11404 transitions.
[2024-11-13 15:40:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:52,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 377
[2024-11-13 15:40:52,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:52,955 INFO L225 Difference]: With dead ends: 9670
[2024-11-13 15:40:52,955 INFO L226 Difference]: Without dead ends: 5019
[2024-11-13 15:40:52,960 INFO L431 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
[2024-11-13 15:40:52,960 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 178 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:52,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 303 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states.
[2024-11-13 15:40:53,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 5019.
[2024-11-13 15:40:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5019 states, 5018 states have (on average 1.143682742128338) internal successors, (5739), 5018 states have internal predecessors, (5739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 5019 states and 5739 transitions.
[2024-11-13 15:40:53,091 INFO L78 Accepts]: Start accepts. Automaton has 5019 states and 5739 transitions. Word has length 377
[2024-11-13 15:40:53,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:53,092 INFO L471 AbstractCegarLoop]: Abstraction has 5019 states and 5739 transitions.
[2024-11-13 15:40:53,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 5739 transitions.
[2024-11-13 15:40:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383
[2024-11-13 15:40:53,102 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:53,103 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:53,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 15:40:53,103 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:53,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:53,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1624476002, now seen corresponding path program 1 times
[2024-11-13 15:40:53,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:53,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861460481]
[2024-11-13 15:40:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked.
[2024-11-13 15:40:53,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861460481]
[2024-11-13 15:40:53,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861460481] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:53,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:53,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45062158]
[2024-11-13 15:40:53,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:53,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:53,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:53,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:53,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:53,393 INFO L87 Difference]: Start difference. First operand 5019 states and 5739 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:54,411 INFO L93 Difference]: Finished difference Result 10956 states and 12601 transitions.
[2024-11-13 15:40:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 382
[2024-11-13 15:40:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:54,429 INFO L225 Difference]: With dead ends: 10956
[2024-11-13 15:40:54,429 INFO L226 Difference]: Without dead ends: 6307
[2024-11-13 15:40:54,434 INFO L431 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
[2024-11-13 15:40:54,434 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 162 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:54,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 307 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 15:40:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6307 states.
[2024-11-13 15:40:54,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6307 to 5387.
[2024-11-13 15:40:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5386 states have (on average 1.1438915707389528) internal successors, (6161), 5386 states have internal predecessors, (6161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 6161 transitions.
[2024-11-13 15:40:54,539 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 6161 transitions. Word has length 382
[2024-11-13 15:40:54,539 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:54,539 INFO L471 AbstractCegarLoop]: Abstraction has 5387 states and 6161 transitions.
[2024-11-13 15:40:54,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 6161 transitions.
[2024-11-13 15:40:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430
[2024-11-13 15:40:54,552 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:54,552 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:54,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 15:40:54,553 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:54,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:54,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1132253937, now seen corresponding path program 1 times
[2024-11-13 15:40:54,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:54,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654707745]
[2024-11-13 15:40:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:54,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked.
[2024-11-13 15:40:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654707745]
[2024-11-13 15:40:55,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654707745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:55,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:55,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:55,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692214720]
[2024-11-13 15:40:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:55,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:55,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:55,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:55,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:55,048 INFO L87 Difference]: Start difference. First operand 5387 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:56,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:56,066 INFO L93 Difference]: Finished difference Result 11335 states and 13028 transitions.
[2024-11-13 15:40:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:56,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 429
[2024-11-13 15:40:56,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:56,101 INFO L225 Difference]: With dead ends: 11335
[2024-11-13 15:40:56,101 INFO L226 Difference]: Without dead ends: 6318
[2024-11-13 15:40:56,106 INFO L431 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
[2024-11-13 15:40:56,107 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 67 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:56,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 186 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:56,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states.
[2024-11-13 15:40:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 6307.
[2024-11-13 15:40:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 6306 states have (on average 1.1390738978750397) internal successors, (7183), 6306 states have internal predecessors, (7183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 7183 transitions.
[2024-11-13 15:40:56,229 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 7183 transitions. Word has length 429
[2024-11-13 15:40:56,229 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:56,229 INFO L471 AbstractCegarLoop]: Abstraction has 6307 states and 7183 transitions.
[2024-11-13 15:40:56,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 7183 transitions.
[2024-11-13 15:40:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483
[2024-11-13 15:40:56,246 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:56,246 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:56,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 15:40:56,248 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:56,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1409511741, now seen corresponding path program 1 times
[2024-11-13 15:40:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248195767]
[2024-11-13 15:40:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked.
[2024-11-13 15:40:56,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:56,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248195767]
[2024-11-13 15:40:56,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248195767] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:56,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:56,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532162868]
[2024-11-13 15:40:56,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:56,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:56,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:56,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:56,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:56,612 INFO L87 Difference]: Start difference. First operand 6307 states and 7183 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:57,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:57,622 INFO L93 Difference]: Finished difference Result 14267 states and 16367 transitions.
[2024-11-13 15:40:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:57,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 482
[2024-11-13 15:40:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:57,680 INFO L225 Difference]: With dead ends: 14267
[2024-11-13 15:40:57,681 INFO L226 Difference]: Without dead ends: 7962
[2024-11-13 15:40:57,684 INFO L431 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
[2024-11-13 15:40:57,686 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 64 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:57,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 362 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states.
[2024-11-13 15:40:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7962.
[2024-11-13 15:40:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7962 states, 7961 states have (on average 1.134530837834443) internal successors, (9032), 7961 states have internal predecessors, (9032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7962 states to 7962 states and 9032 transitions.
[2024-11-13 15:40:57,804 INFO L78 Accepts]: Start accepts. Automaton has 7962 states and 9032 transitions. Word has length 482
[2024-11-13 15:40:57,805 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:57,805 INFO L471 AbstractCegarLoop]: Abstraction has 7962 states and 9032 transitions.
[2024-11-13 15:40:57,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 7962 states and 9032 transitions.
[2024-11-13 15:40:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518
[2024-11-13 15:40:57,819 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:57,820 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:57,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-13 15:40:57,820 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:57,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:57,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1956689875, now seen corresponding path program 1 times
[2024-11-13 15:40:57,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:57,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151046714]
[2024-11-13 15:40:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:40:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 576 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked.
[2024-11-13 15:40:58,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:40:58,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151046714]
[2024-11-13 15:40:58,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151046714] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:40:58,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:40:58,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:40:58,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113677064]
[2024-11-13 15:40:58,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:40:58,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:40:58,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:40:58,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:40:58,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:40:58,385 INFO L87 Difference]: Start difference. First operand 7962 states and 9032 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:59,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:40:59,413 INFO L93 Difference]: Finished difference Result 18513 states and 21042 transitions.
[2024-11-13 15:40:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:40:59,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 517
[2024-11-13 15:40:59,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:40:59,438 INFO L225 Difference]: With dead ends: 18513
[2024-11-13 15:40:59,438 INFO L226 Difference]: Without dead ends: 10921
[2024-11-13 15:40:59,445 INFO L431 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
[2024-11-13 15:40:59,446 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:40:59,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 129 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:40:59,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states.
[2024-11-13 15:40:59,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 10735.
[2024-11-13 15:40:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10735 states, 10734 states have (on average 1.1191540898080865) internal successors, (12013), 10734 states have internal predecessors, (12013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10735 states to 10735 states and 12013 transitions.
[2024-11-13 15:40:59,681 INFO L78 Accepts]: Start accepts. Automaton has 10735 states and 12013 transitions. Word has length 517
[2024-11-13 15:40:59,682 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:40:59,682 INFO L471 AbstractCegarLoop]: Abstraction has 10735 states and 12013 transitions.
[2024-11-13 15:40:59,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:40:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10735 states and 12013 transitions.
[2024-11-13 15:40:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528
[2024-11-13 15:40:59,707 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:40:59,707 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:40:59,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 15:40:59,707 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:40:59,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:40:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash 6619750, now seen corresponding path program 1 times
[2024-11-13 15:40:59,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:40:59,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91800230]
[2024-11-13 15:40:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:40:59,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:40:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:41:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 300 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked.
[2024-11-13 15:41:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:41:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91800230]
[2024-11-13 15:41:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91800230] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 15:41:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200641962]
[2024-11-13 15:41:01,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:41:01,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 15:41:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:41:01,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 15:41:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 15:41:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:41:01,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 15:41:01,591 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 15:41:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked.
[2024-11-13 15:41:01,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 15:41:01,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200641962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:41:01,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 15:41:01,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-13 15:41:01,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362345653]
[2024-11-13 15:41:01,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:41:01,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:41:01,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:41:01,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:41:01,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:41:01,845 INFO L87 Difference]: Start difference. First operand 10735 states and 12013 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:41:02,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:41:02,769 INFO L93 Difference]: Finished difference Result 12391 states and 13833 transitions.
[2024-11-13 15:41:02,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:41:02,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 527
[2024-11-13 15:41:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:41:02,770 INFO L225 Difference]: With dead ends: 12391
[2024-11-13 15:41:02,770 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 15:41:02,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:41:02,777 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 164 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:41:02,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 143 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:41:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 15:41:02,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 15:41:02,778 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)
[2024-11-13 15:41:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 15:41:02,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 527
[2024-11-13 15:41:02,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:41:02,779 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 15:41:02,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 15:41:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 15:41:02,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 15:41:02,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 15:41:02,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 15:41:02,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-13 15:41:02,986 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:41:02,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 15:41:04,149 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 15:41:04,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:41:04 BoogieIcfgContainer
[2024-11-13 15:41:04,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 15:41:04,169 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 15:41:04,169 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 15:41:04,169 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 15:41:04,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:40:40" (3/4) ...
[2024-11-13 15:41:04,172 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 15:41:04,201 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-13 15:41:04,203 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 15:41:04,204 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 15:41:04,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 15:41:04,391 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 15:41:04,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 15:41:04,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 15:41:04,394 INFO L158 Benchmark]: Toolchain (without parser) took 27529.50ms. Allocated memory was 117.4MB in the beginning and 453.0MB in the end (delta: 335.5MB). Free memory was 90.1MB in the beginning and 292.1MB in the end (delta: -202.0MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,395 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:41:04,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.21ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 47.1MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.67ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 79.9MB in the end (delta: -32.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,396 INFO L158 Benchmark]: Boogie Preprocessor took 141.74ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 55.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,396 INFO L158 Benchmark]: RCFGBuilder took 2327.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 55.3MB in the beginning and 107.0MB in the end (delta: -51.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,396 INFO L158 Benchmark]: TraceAbstraction took 23786.18ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 106.1MB in the beginning and 308.9MB in the end (delta: -202.7MB). Peak memory consumption was 297.9MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,397 INFO L158 Benchmark]: Witness Printer took 223.77ms. Allocated memory is still 453.0MB. Free memory was 308.9MB in the beginning and 292.1MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 15:41:04,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 871.21ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 47.1MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 170.67ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 79.9MB in the end (delta: -32.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 141.74ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 55.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 2327.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 55.3MB in the beginning and 107.0MB in the end (delta: -51.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 23786.18ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 106.1MB in the beginning and 308.9MB in the end (delta: -202.7MB). Peak memory consumption was 297.9MB. Max. memory is 16.1GB.
* Witness Printer took 223.77ms. Allocated memory is still 453.0MB. Free memory was 308.9MB in the beginning and 292.1MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. 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: 187]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1856 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1856 mSDsluCounter, 3368 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 282 mSDsCounter, 1259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7011 IncrementalHoareTripleChecker+Invalid, 8270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1259 mSolverCounterUnsat, 3086 mSDtfsCounter, 7011 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10735occurred in iteration=12, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1325 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 4510 NumberOfCodeBlocks, 4510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4496 ConstructedInterpolants, 0 QuantifiedInterpolants, 8527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 5007/5413 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 1044]: Loop Invariant
Derived loop invariant: ((((((((a25 == 12) || ((141 <= a29) && (a4 == 1))) || ((((long long) a23 + 43) <= 0) && (a4 != 1))) || ((139 <= a23) && (a4 == 1))) || ((a25 == 13) && (a4 != 1))) || (246 <= a29)) || ((a25 <= 10) && (a4 == 1))) || ((a29 <= 220) && (a4 != 1)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 15:41:04,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ee97c5-3cf6-4455-93dd-8c6b370d9b0c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE