/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-77.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:28:21,166 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:28:21,234 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:28:21,238 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:28:21,239 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:28:21,270 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:28:21,273 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:28:21,273 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:28:21,274 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:28:21,274 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:28:21,275 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:28:21,275 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:28:21,276 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:28:21,276 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:28:21,277 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:28:21,278 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:28:21,279 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:28:21,280 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:28:21,280 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:28:21,281 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:28:21,281 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:28:21,284 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:28:21,285 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:28:21,285 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:28:21,285 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:28:21,285 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:28:21,286 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:28:21,286 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:28:21,286 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:28:21,286 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:28:21,286 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:28:21,287 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:28:21,287 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:28:21,287 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:28:21,287 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:28:21,288 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:28:21,288 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:28:21,288 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:28:21,288 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:28:21,288 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:28:21,289 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:28:21,289 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:28:21,289 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:28:21,289 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:28:21,290 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:28:21,523 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:28:21,547 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:28:21,552 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:28:21,553 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:28:21,553 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:28:21,554 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-77.i
[2024-11-06 08:28:22,995 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:28:23,255 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:28:23,256 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-77.i
[2024-11-06 08:28:23,274 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21731ad73/cc8cae4f2cdc412990e0bcab26675326/FLAGc23430096
[2024-11-06 08:28:23,583 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21731ad73/cc8cae4f2cdc412990e0bcab26675326
[2024-11-06 08:28:23,586 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:28:23,587 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:28:23,590 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:28:23,590 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:28:23,595 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:28:23,596 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:23" (1/1) ...
[2024-11-06 08:28:23,597 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4575e501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:23, skipping insertion in model container
[2024-11-06 08:28:23,597 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:23" (1/1) ...
[2024-11-06 08:28:23,647 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:28:23,841 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-77.i[916,929]
[2024-11-06 08:28:24,006 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:28:24,030 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:28:24,042 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-77.i[916,929]
[2024-11-06 08:28:24,152 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:28:24,182 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:28:24,183 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24 WrapperNode
[2024-11-06 08:28:24,183 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:28:24,184 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:28:24,184 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:28:24,184 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:28:24,192 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,213 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,254 INFO  L138                Inliner]: procedures = 27, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 379
[2024-11-06 08:28:24,255 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:28:24,256 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:28:24,256 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:28:24,256 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:28:24,267 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,267 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,278 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,306 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].
[2024-11-06 08:28:24,306 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,306 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,327 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,367 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,381 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,392 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,403 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:28:24,405 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:28:24,405 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:28:24,405 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:28:24,406 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (1/1) ...
[2024-11-06 08:28:24,415 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:28:24,426 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:28:24,439 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)
[2024-11-06 08:28:24,441 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
[2024-11-06 08:28:24,461 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:28:24,462 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:28:24,462 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:28:24,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:28:24,462 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:28:24,462 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:28:24,562 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:28:24,565 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:28:45,668 INFO  L?                        ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-11-06 08:28:45,668 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:28:45,691 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:28:45,691 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:28:45,691 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:45 BoogieIcfgContainer
[2024-11-06 08:28:45,692 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:28:45,696 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:28:45,696 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:28:45,699 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:28:45,699 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:28:23" (1/3) ...
[2024-11-06 08:28:45,700 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585729e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:45, skipping insertion in model container
[2024-11-06 08:28:45,701 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24" (2/3) ...
[2024-11-06 08:28:45,701 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585729e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:45, skipping insertion in model container
[2024-11-06 08:28:45,701 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:45" (3/3) ...
[2024-11-06 08:28:45,702 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-77.i
[2024-11-06 08:28:45,721 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:28:45,721 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:28:45,798 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:28:45,804 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;@4e23b92f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:28:45,805 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:28:45,811 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 163 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-06 08:28:45,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 372
[2024-11-06 08:28:45,830 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:28:45,830 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:28:45,831 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:28:45,836 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:28:45,836 INFO  L85        PathProgramCache]: Analyzing trace with hash 572582692, now seen corresponding path program 1 times
[2024-11-06 08:28:45,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:28:45,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993719856]
[2024-11-06 08:28:45,853 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:28:45,853 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:28:45,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:28:45,855 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:28:45,856 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 08:28:47,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:28:47,306 INFO  L255         TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:28:47,322 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:28:47,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 6728 trivial. 0 not checked.
[2024-11-06 08:28:47,396 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:28:47,397 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:28:47,397 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993719856]
[2024-11-06 08:28:47,397 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [993719856] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:28:47,398 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:28:47,398 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:28:47,400 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161042358]
[2024-11-06 08:28:47,400 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:28:47,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:28:47,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:28:47,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:28:47,432 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:28:47,437 INFO  L87              Difference]: Start difference. First operand  has 163 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand  has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59)
[2024-11-06 08:28:47,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:28:47,497 INFO  L93              Difference]: Finished difference Result 319 states and 585 transitions.
[2024-11-06 08:28:47,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:28:47,500 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59) Word has length 371
[2024-11-06 08:28:47,500 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:28:47,508 INFO  L225             Difference]: With dead ends: 319
[2024-11-06 08:28:47,508 INFO  L226             Difference]: Without dead ends: 159
[2024-11-06 08:28:47,513 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:28:47,517 INFO  L432           NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:28:47,518 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:28:47,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 159 states.
[2024-11-06 08:28:47,572 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159.
[2024-11-06 08:28:47,576 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 159 states, 98 states have (on average 1.4183673469387754) internal successors, (139), 98 states have internal predecessors, (139), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-06 08:28:47,581 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 257 transitions.
[2024-11-06 08:28:47,584 INFO  L78                 Accepts]: Start accepts. Automaton has 159 states and 257 transitions. Word has length 371
[2024-11-06 08:28:47,587 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:28:47,587 INFO  L471      AbstractCegarLoop]: Abstraction has 159 states and 257 transitions.
[2024-11-06 08:28:47,587 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 2 states have call successors, (59)
[2024-11-06 08:28:47,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 257 transitions.
[2024-11-06 08:28:47,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 372
[2024-11-06 08:28:47,602 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:28:47,602 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:28:47,655 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 08:28:47,808 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:28:47,809 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:28:47,810 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:28:47,810 INFO  L85        PathProgramCache]: Analyzing trace with hash -308742100, now seen corresponding path program 1 times
[2024-11-06 08:28:47,812 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:28:47,812 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775006984]
[2024-11-06 08:28:47,812 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:28:47,813 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:28:47,813 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:28:47,816 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:28:47,817 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 08:28:49,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:28:49,421 INFO  L255         TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 08:28:49,432 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:28:58,553 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 3270 proven. 108 refuted. 0 times theorem prover too weak. 3466 trivial. 0 not checked.
[2024-11-06 08:28:58,553 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:29:06,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 66 proven. 108 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked.
[2024-11-06 08:29:06,462 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:29:06,463 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775006984]
[2024-11-06 08:29:06,463 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775006984] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 08:29:06,463 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:29:06,464 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-06 08:29:06,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425365808]
[2024-11-06 08:29:06,465 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:29:06,467 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-06 08:29:06,467 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:29:06,472 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-06 08:29:06,472 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-06 08:29:06,473 INFO  L87              Difference]: Start difference. First operand 159 states and 257 transitions. Second operand  has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96)
[2024-11-06 08:29:17,216 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:22,051 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:26,058 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:30,070 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:34,073 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:38,087 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:42,096 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:46,098 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:50,102 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:54,105 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:29:56,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:29:56,350 INFO  L93              Difference]: Finished difference Result 479 states and 768 transitions.
[2024-11-06 08:29:56,353 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-06 08:29:56,354 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 371
[2024-11-06 08:29:56,356 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:29:56,361 INFO  L225             Difference]: With dead ends: 479
[2024-11-06 08:29:56,362 INFO  L226             Difference]: Without dead ends: 323
[2024-11-06 08:29:56,366 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 733 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342
[2024-11-06 08:29:56,367 INFO  L432           NwaCegarLoop]: 243 mSDtfsCounter, 283 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 182 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time
[2024-11-06 08:29:56,367 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1017 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 499 Invalid, 9 Unknown, 0 Unchecked, 47.8s Time]
[2024-11-06 08:29:56,371 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 323 states.
[2024-11-06 08:29:56,426 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 185.
[2024-11-06 08:29:56,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 185 states, 123 states have (on average 1.4065040650406504) internal successors, (173), 123 states have internal predecessors, (173), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-06 08:29:56,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 291 transitions.
[2024-11-06 08:29:56,433 INFO  L78                 Accepts]: Start accepts. Automaton has 185 states and 291 transitions. Word has length 371
[2024-11-06 08:29:56,434 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:29:56,434 INFO  L471      AbstractCegarLoop]: Abstraction has 185 states and 291 transitions.
[2024-11-06 08:29:56,434 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (95), 2 states have call predecessors, (95), 4 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96)
[2024-11-06 08:29:56,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 185 states and 291 transitions.
[2024-11-06 08:29:56,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 373
[2024-11-06 08:29:56,441 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:29:56,441 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:29:56,486 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-06 08:29:56,642 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:29:56,642 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:29:56,643 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:29:56,643 INFO  L85        PathProgramCache]: Analyzing trace with hash 181739960, now seen corresponding path program 1 times
[2024-11-06 08:29:56,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:29:56,644 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649959910]
[2024-11-06 08:29:56,644 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:29:56,644 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:29:56,644 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:29:56,647 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:29:56,648 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-06 08:29:57,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:29:57,993 INFO  L255         TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-06 08:29:58,000 INFO  L278         TraceCheckSpWp]: Computing forward predicates...