./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 8be7027f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6e9f7e51d9eaaaf8cefb5384ef4fbd0bb8e8426417c92e5ec908f2483f944946
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-11 23:19:17,572 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-11 23:19:17,644 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-11 23:19:17,648 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-11 23:19:17,649 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-11 23:19:17,680 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-11 23:19:17,681 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-11 23:19:17,681 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-11 23:19:17,682 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-11 23:19:17,682 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-11 23:19:17,683 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-11 23:19:17,683 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-11 23:19:17,684 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-11 23:19:17,684 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-11 23:19:17,684 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-11 23:19:17,685 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-11 23:19:17,685 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-11 23:19:17,685 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-11 23:19:17,686 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-11 23:19:17,686 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-11 23:19:17,687 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-11 23:19:17,687 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-11 23:19:17,687 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-11 23:19:17,688 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-11 23:19:17,688 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-11 23:19:17,689 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-11 23:19:17,689 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-11 23:19:17,689 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-11 23:19:17,689 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-11 23:19:17,690 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:19:17,690 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-11 23:19:17,690 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-11 23:19:17,691 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-11 23:19:17,691 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-11 23:19:17,691 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-11 23:19:17,692 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-11 23:19:17,692 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-11 23:19:17,692 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-11 23:19:17,693 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-11 23:19:17,693 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9f7e51d9eaaaf8cefb5384ef4fbd0bb8e8426417c92e5ec908f2483f944946
[2024-11-11 23:19:17,928 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-11 23:19:17,951 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-11 23:19:17,953 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-11 23:19:17,955 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-11 23:19:17,956 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-11 23:19:17,957 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-11-11 23:19:19,351 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-11 23:19:19,707 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-11 23:19:19,708 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-11-11 23:19:19,732 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6633428c1/6e9ba997fe954f12a4ebeaed1544dbf0/FLAG35bbfcf98
[2024-11-11 23:19:19,752 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6633428c1/6e9ba997fe954f12a4ebeaed1544dbf0
[2024-11-11 23:19:19,756 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-11 23:19:19,758 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-11 23:19:19,760 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-11 23:19:19,760 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-11 23:19:19,765 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-11 23:19:19,766 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:19:19" (1/1) ...
[2024-11-11 23:19:19,768 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9e2380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:19, skipping insertion in model container
[2024-11-11 23:19:19,768 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:19:19" (1/1) ...
[2024-11-11 23:19:19,873 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-11 23:19:20,213 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c[1173,1186]
[2024-11-11 23:19:20,792 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:19:20,804 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-11 23:19:20,816 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c[1173,1186]
[2024-11-11 23:19:21,129 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:19:21,147 INFO  L204         MainTranslator]: Completed translation
[2024-11-11 23:19:21,148 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21 WrapperNode
[2024-11-11 23:19:21,148 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-11 23:19:21,149 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-11 23:19:21,150 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-11 23:19:21,150 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-11 23:19:21,157 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:21,322 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:23,226 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13151
[2024-11-11 23:19:23,226 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-11 23:19:23,227 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-11 23:19:23,227 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-11 23:19:23,227 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-11 23:19:23,235 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:23,235 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:23,794 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:24,227 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].
[2024-11-11 23:19:24,228 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:24,228 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:24,962 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:25,086 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:25,241 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:25,397 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:25,729 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-11 23:19:25,730 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-11 23:19:25,730 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-11 23:19:25,730 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-11 23:19:25,731 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (1/1) ...
[2024-11-11 23:19:25,738 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:19:25,749 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 23:19:25,766 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-11 23:19:25,774 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-11 23:19:25,819 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-11 23:19:25,820 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-11 23:19:25,820 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-11 23:19:25,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-11 23:19:26,484 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-11 23:19:26,488 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-11 23:19:43,639 INFO  L?                        ?]: Removed 7429 outVars from TransFormulas that were not future-live.
[2024-11-11 23:19:43,640 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-11 23:19:43,713 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-11 23:19:43,713 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-11 23:19:43,714 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:19:43 BoogieIcfgContainer
[2024-11-11 23:19:43,714 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-11 23:19:43,716 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-11 23:19:43,716 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-11 23:19:43,719 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-11 23:19:43,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:19:19" (1/3) ...
[2024-11-11 23:19:43,720 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed18ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:19:43, skipping insertion in model container
[2024-11-11 23:19:43,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:19:21" (2/3) ...
[2024-11-11 23:19:43,721 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed18ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:19:43, skipping insertion in model container
[2024-11-11 23:19:43,721 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:19:43" (3/3) ...
[2024-11-11 23:19:43,722 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-11-11 23:19:43,738 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-11 23:19:43,739 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-11 23:19:43,875 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-11 23:19:43,881 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;@56560dbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-11 23:19:43,881 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-11 23:19:43,898 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4698 states, 4696 states have (on average 1.499787052810903) internal successors, (7043), 4697 states have internal predecessors, (7043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:43,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-11 23:19:43,917 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:19:43,918 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:19:43,919 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:19:43,925 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:19:43,927 INFO  L85        PathProgramCache]: Analyzing trace with hash -1811064379, now seen corresponding path program 1 times
[2024-11-11 23:19:43,936 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:19:43,936 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359267619]
[2024-11-11 23:19:43,937 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:19:43,937 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:19:44,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:19:45,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:19:45,131 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:19:45,131 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359267619]
[2024-11-11 23:19:45,133 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359267619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:19:45,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:19:45,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:19:45,136 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696219294]
[2024-11-11 23:19:45,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:19:45,141 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:19:45,142 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:19:45,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:19:45,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:45,185 INFO  L87              Difference]: Start difference. First operand  has 4698 states, 4696 states have (on average 1.499787052810903) internal successors, (7043), 4697 states have internal predecessors, (7043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 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)
[2024-11-11 23:19:45,484 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:19:45,485 INFO  L93              Difference]: Finished difference Result 9257 states and 13881 transitions.
[2024-11-11 23:19:45,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:19:45,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 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 187
[2024-11-11 23:19:45,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:19:45,523 INFO  L225             Difference]: With dead ends: 9257
[2024-11-11 23:19:45,524 INFO  L226             Difference]: Without dead ends: 4697
[2024-11-11 23:19:45,535 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:45,538 INFO  L435           NwaCegarLoop]: 7037 mSDtfsCounter, 0 mSDsluCounter, 14068 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21105 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:19:45,541 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21105 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:19:45,570 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4697 states.
[2024-11-11 23:19:45,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4697.
[2024-11-11 23:19:45,712 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4697 states, 4696 states have (on average 1.4993611584327087) internal successors, (7041), 4696 states have internal predecessors, (7041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:45,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 7041 transitions.
[2024-11-11 23:19:45,727 INFO  L78                 Accepts]: Start accepts. Automaton has 4697 states and 7041 transitions. Word has length 187
[2024-11-11 23:19:45,729 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:19:45,729 INFO  L471      AbstractCegarLoop]: Abstraction has 4697 states and 7041 transitions.
[2024-11-11 23:19:45,730 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 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)
[2024-11-11 23:19:45,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 4697 states and 7041 transitions.
[2024-11-11 23:19:45,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2024-11-11 23:19:45,735 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:19:45,735 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:19:45,736 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-11 23:19:45,736 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:19:45,740 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:19:45,740 INFO  L85        PathProgramCache]: Analyzing trace with hash -306724565, now seen corresponding path program 1 times
[2024-11-11 23:19:45,741 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:19:45,741 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589707696]
[2024-11-11 23:19:45,741 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:19:45,741 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:19:45,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:19:46,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:19:46,338 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:19:46,338 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589707696]
[2024-11-11 23:19:46,338 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589707696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:19:46,339 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:19:46,339 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:19:46,339 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243417501]
[2024-11-11 23:19:46,339 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:19:46,341 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:19:46,342 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:19:46,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:19:46,344 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:46,344 INFO  L87              Difference]: Start difference. First operand 4697 states and 7041 transitions. Second operand  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:46,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:19:46,627 INFO  L93              Difference]: Finished difference Result 9258 states and 13879 transitions.
[2024-11-11 23:19:46,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:19:46,628 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 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 188
[2024-11-11 23:19:46,630 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:19:46,648 INFO  L225             Difference]: With dead ends: 9258
[2024-11-11 23:19:46,649 INFO  L226             Difference]: Without dead ends: 4699
[2024-11-11 23:19:46,658 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:46,659 INFO  L435           NwaCegarLoop]: 7037 mSDtfsCounter, 0 mSDsluCounter, 14064 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21101 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-11 23:19:46,660 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21101 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-11 23:19:46,670 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4699 states.
[2024-11-11 23:19:46,750 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4699.
[2024-11-11 23:19:46,761 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4699 states, 4698 states have (on average 1.4991485738612176) internal successors, (7043), 4698 states have internal predecessors, (7043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:46,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 7043 transitions.
[2024-11-11 23:19:46,776 INFO  L78                 Accepts]: Start accepts. Automaton has 4699 states and 7043 transitions. Word has length 188
[2024-11-11 23:19:46,778 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:19:46,778 INFO  L471      AbstractCegarLoop]: Abstraction has 4699 states and 7043 transitions.
[2024-11-11 23:19:46,779 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:46,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 4699 states and 7043 transitions.
[2024-11-11 23:19:46,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2024-11-11 23:19:46,782 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:19:46,783 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:19:46,783 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-11 23:19:46,783 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:19:46,784 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:19:46,785 INFO  L85        PathProgramCache]: Analyzing trace with hash -2016491682, now seen corresponding path program 1 times
[2024-11-11 23:19:46,786 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:19:46,786 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349719283]
[2024-11-11 23:19:46,786 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:19:46,786 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:19:46,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:19:47,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:19:47,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:19:47,247 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349719283]
[2024-11-11 23:19:47,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349719283] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:19:47,247 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:19:47,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:19:47,247 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845106178]
[2024-11-11 23:19:47,247 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:19:47,248 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:19:47,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:19:47,251 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:19:47,251 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:47,252 INFO  L87              Difference]: Start difference. First operand 4699 states and 7043 transitions. Second operand  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:47,436 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:19:47,437 INFO  L93              Difference]: Finished difference Result 9262 states and 13883 transitions.
[2024-11-11 23:19:47,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:19:47,438 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 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 189
[2024-11-11 23:19:47,439 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:19:47,457 INFO  L225             Difference]: With dead ends: 9262
[2024-11-11 23:19:47,457 INFO  L226             Difference]: Without dead ends: 4701
[2024-11-11 23:19:47,464 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:19:47,466 INFO  L435           NwaCegarLoop]: 7037 mSDtfsCounter, 0 mSDsluCounter, 14058 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21095 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:19:47,468 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21095 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:19:47,478 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4701 states.
[2024-11-11 23:19:47,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4701 to 4701.
[2024-11-11 23:19:47,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4701 states, 4700 states have (on average 1.498936170212766) internal successors, (7045), 4700 states have internal predecessors, (7045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:47,595 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 7045 transitions.
[2024-11-11 23:19:47,596 INFO  L78                 Accepts]: Start accepts. Automaton has 4701 states and 7045 transitions. Word has length 189
[2024-11-11 23:19:47,596 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:19:47,597 INFO  L471      AbstractCegarLoop]: Abstraction has 4701 states and 7045 transitions.
[2024-11-11 23:19:47,597 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:47,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 4701 states and 7045 transitions.
[2024-11-11 23:19:47,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2024-11-11 23:19:47,601 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:19:47,601 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:19:47,602 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-11 23:19:47,602 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:19:47,602 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:19:47,603 INFO  L85        PathProgramCache]: Analyzing trace with hash -1472812014, now seen corresponding path program 1 times
[2024-11-11 23:19:47,603 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:19:47,603 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305252447]
[2024-11-11 23:19:47,603 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:19:47,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:19:47,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:19:48,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:19:48,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:19:48,647 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305252447]
[2024-11-11 23:19:48,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305252447] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:19:48,648 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:19:48,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-11 23:19:48,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825873489]
[2024-11-11 23:19:48,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:19:48,649 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-11 23:19:48,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:19:48,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-11 23:19:48,650 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-11 23:19:48,651 INFO  L87              Difference]: Start difference. First operand 4701 states and 7045 transitions. Second operand  has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:52,747 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-11 23:19:57,100 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-11 23:19:57,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:19:57,422 INFO  L93              Difference]: Finished difference Result 9525 states and 14272 transitions.
[2024-11-11 23:19:57,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-11 23:19:57,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 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 190
[2024-11-11 23:19:57,423 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:19:57,441 INFO  L225             Difference]: With dead ends: 9525
[2024-11-11 23:19:57,441 INFO  L226             Difference]: Without dead ends: 4962
[2024-11-11 23:19:57,449 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-11 23:19:57,452 INFO  L435           NwaCegarLoop]: 7033 mSDtfsCounter, 415 mSDsluCounter, 34938 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 41971 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-11 23:19:57,452 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 41971 Invalid, 60 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-11 23:19:57,465 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4962 states.
[2024-11-11 23:19:57,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4962 to 4921.
[2024-11-11 23:19:57,553 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4921 states, 4920 states have (on average 1.4989837398373984) internal successors, (7375), 4920 states have internal predecessors, (7375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:57,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 7375 transitions.
[2024-11-11 23:19:57,567 INFO  L78                 Accepts]: Start accepts. Automaton has 4921 states and 7375 transitions. Word has length 190
[2024-11-11 23:19:57,567 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:19:57,567 INFO  L471      AbstractCegarLoop]: Abstraction has 4921 states and 7375 transitions.
[2024-11-11 23:19:57,568 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-11 23:19:57,568 INFO  L276                IsEmpty]: Start isEmpty. Operand 4921 states and 7375 transitions.
[2024-11-11 23:19:57,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2470
[2024-11-11 23:19:57,696 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:19:57,697 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:19:57,698 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-11 23:19:57,698 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:19:57,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:19:57,700 INFO  L85        PathProgramCache]: Analyzing trace with hash -945295558, now seen corresponding path program 1 times
[2024-11-11 23:19:57,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:19:57,701 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067643507]
[2024-11-11 23:19:57,702 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:19:57,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:20:11,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:20:18,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-11 23:20:18,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:20:18,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067643507]
[2024-11-11 23:20:18,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067643507] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-11 23:20:18,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503863049]
[2024-11-11 23:20:18,288 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:20:18,288 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-11 23:20:18,288 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 23:20:18,292 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-11 23:20:18,293 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-11 23:20:25,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:20:25,330 INFO  L256         TraceCheckSpWp]: Trace formula consists of 10739 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-11 23:20:25,412 INFO  L279         TraceCheckSpWp]: Computing forward predicates...