/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 01:51:10,483 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 01:51:10,524 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-23 01:51:10,530 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 01:51:10,531 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 01:51:10,557 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 01:51:10,557 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 01:51:10,557 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 01:51:10,558 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 01:51:10,558 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 01:51:10,558 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 01:51:10,558 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 01:51:10,559 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 01:51:10,559 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 01:51:10,559 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 01:51:10,560 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 01:51:10,560 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 01:51:10,560 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 01:51:10,560 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 01:51:10,560 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 01:51:10,561 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 01:51:10,565 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 01:51:10,565 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 01:51:10,565 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 01:51:10,568 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 01:51:10,569 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 01:51:10,569 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 01:51:10,569 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 01:51:10,569 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 01:51:10,569 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 01:51:10,569 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 01:51:10,570 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 01:51:10,570 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 01:51:10,570 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 01:51:10,570 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 01:51:10,570 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 01:51:10,570 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 01:51:10,571 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 01:51:10,572 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 01:51:10,572 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 01:51:10,572 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 01:51:10,779 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 01:51:10,798 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 01:51:10,800 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 01:51:10,801 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 01:51:10,803 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 01:51:10,804 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i
[2023-12-23 01:51:12,445 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 01:51:12,804 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 01:51:12,804 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-84.i
[2023-12-23 01:51:12,819 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6901fe54e/8074a0a3fbf74d9499deae902d6eb185/FLAGffeab96d1
[2023-12-23 01:51:12,829 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6901fe54e/8074a0a3fbf74d9499deae902d6eb185
[2023-12-23 01:51:12,830 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 01:51:12,832 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 01:51:12,833 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 01:51:12,833 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 01:51:12,837 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 01:51:12,838 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:51:12" (1/1) ...
[2023-12-23 01:51:12,839 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c4d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:12, skipping insertion in model container
[2023-12-23 01:51:12,839 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:51:12" (1/1) ...
[2023-12-23 01:51:12,876 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 01:51:13,006 WARN  L239   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_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928]
[2023-12-23 01:51:13,078 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 01:51:13,095 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 01:51:13,106 WARN  L239   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_fillercode_fillercodesize_ps-cn-10_file-84.i[915,928]
[2023-12-23 01:51:13,150 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 01:51:13,169 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 01:51:13,170 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13 WrapperNode
[2023-12-23 01:51:13,170 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 01:51:13,171 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 01:51:13,171 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 01:51:13,171 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 01:51:13,176 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,186 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,208 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180
[2023-12-23 01:51:13,208 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 01:51:13,209 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 01:51:13,209 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 01:51:13,209 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 01:51:13,217 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,217 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,228 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,245 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].
[2023-12-23 01:51:13,245 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,246 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,256 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,259 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,261 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,262 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,277 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 01:51:13,278 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 01:51:13,278 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 01:51:13,278 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 01:51:13,279 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (1/1) ...
[2023-12-23 01:51:13,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 01:51:13,299 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 01:51:13,346 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)
[2023-12-23 01:51:13,380 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
[2023-12-23 01:51:13,400 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 01:51:13,400 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 01:51:13,400 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 01:51:13,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 01:51:13,401 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 01:51:13,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 01:51:13,504 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 01:51:13,505 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 01:51:13,953 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 01:51:14,023 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 01:51:14,023 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 01:51:14,024 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:51:14 BoogieIcfgContainer
[2023-12-23 01:51:14,024 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 01:51:14,026 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 01:51:14,026 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 01:51:14,029 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 01:51:14,029 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:51:12" (1/3) ...
[2023-12-23 01:51:14,030 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2dd9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:51:14, skipping insertion in model container
[2023-12-23 01:51:14,030 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:13" (2/3) ...
[2023-12-23 01:51:14,030 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2dd9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:51:14, skipping insertion in model container
[2023-12-23 01:51:14,030 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:51:14" (3/3) ...
[2023-12-23 01:51:14,031 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-84.i
[2023-12-23 01:51:14,047 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 01:51:14,048 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 01:51:14,094 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 01:51:14,098 INFO  L357      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, mHoare=true, 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;@72441d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 01:51:14,098 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 01:51:14,102 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-12-23 01:51:14,112 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2023-12-23 01:51:14,113 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:51:14,113 INFO  L195           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 01:51:14,114 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:51:14,117 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:51:14,117 INFO  L85        PathProgramCache]: Analyzing trace with hash -1071982050, now seen corresponding path program 1 times
[2023-12-23 01:51:14,126 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:51:14,127 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355330282]
[2023-12-23 01:51:14,127 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:51:14,129 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
[2023-12-23 01:51:14,130 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:51:14,134 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)
[2023-12-23 01:51:14,135 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
[2023-12-23 01:51:14,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:51:14,338 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 01:51:14,349 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:51:14,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked.
[2023-12-23 01:51:14,407 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 01:51:14,408 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 01:51:14,408 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355330282]
[2023-12-23 01:51:14,408 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355330282] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 01:51:14,408 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 01:51:14,409 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 01:51:14,410 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531560388]
[2023-12-23 01:51:14,410 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 01:51:14,420 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 01:51:14,421 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 01:51:14,443 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 01:51:14,443 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 01:51:14,445 INFO  L87              Difference]: Start difference. First operand  has 77 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2023-12-23 01:51:14,532 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 01:51:14,532 INFO  L93              Difference]: Finished difference Result 151 states and 275 transitions.
[2023-12-23 01:51:14,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 01:51:14,544 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 198
[2023-12-23 01:51:14,544 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 01:51:14,548 INFO  L225             Difference]: With dead ends: 151
[2023-12-23 01:51:14,549 INFO  L226             Difference]: Without dead ends: 75
[2023-12-23 01:51:14,551 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 01:51:14,553 INFO  L413           NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-23 01:51:14,554 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 01:51:14,568 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2023-12-23 01:51:14,586 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2023-12-23 01:51:14,587 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-12-23 01:51:14,588 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions.
[2023-12-23 01:51:14,589 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 198
[2023-12-23 01:51:14,589 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 01:51:14,589 INFO  L495      AbstractCegarLoop]: Abstraction has 75 states and 117 transitions.
[2023-12-23 01:51:14,590 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2023-12-23 01:51:14,590 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions.
[2023-12-23 01:51:14,592 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2023-12-23 01:51:14,592 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:51:14,592 INFO  L195           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 01:51:14,599 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
[2023-12-23 01:51:14,803 WARN  L477      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
[2023-12-23 01:51:14,803 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:51:14,804 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:51:14,804 INFO  L85        PathProgramCache]: Analyzing trace with hash -345681700, now seen corresponding path program 1 times
[2023-12-23 01:51:14,805 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:51:14,805 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371537327]
[2023-12-23 01:51:14,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:51:14,805 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
[2023-12-23 01:51:14,805 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:51:14,806 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)
[2023-12-23 01:51:14,807 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
[2023-12-23 01:51:14,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:51:15,001 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 01:51:15,007 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:51:15,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2023-12-23 01:51:15,060 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 01:51:15,061 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 01:51:15,061 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371537327]
[2023-12-23 01:51:15,061 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [371537327] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 01:51:15,061 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 01:51:15,061 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 01:51:15,061 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062919696]
[2023-12-23 01:51:15,061 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 01:51:15,064 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 01:51:15,064 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 01:51:15,065 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 01:51:15,065 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 01:51:15,065 INFO  L87              Difference]: Start difference. First operand 75 states and 117 transitions. Second operand  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2023-12-23 01:51:15,142 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 01:51:15,143 INFO  L93              Difference]: Finished difference Result 149 states and 233 transitions.
[2023-12-23 01:51:15,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 01:51:15,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 198
[2023-12-23 01:51:15,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 01:51:15,155 INFO  L225             Difference]: With dead ends: 149
[2023-12-23 01:51:15,155 INFO  L226             Difference]: Without dead ends: 75
[2023-12-23 01:51:15,156 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 01:51:15,157 INFO  L413           NwaCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 01:51:15,157 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 01:51:15,158 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2023-12-23 01:51:15,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2023-12-23 01:51:15,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-12-23 01:51:15,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 116 transitions.
[2023-12-23 01:51:15,174 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 116 transitions. Word has length 198
[2023-12-23 01:51:15,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 01:51:15,176 INFO  L495      AbstractCegarLoop]: Abstraction has 75 states and 116 transitions.
[2023-12-23 01:51:15,177 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2023-12-23 01:51:15,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions.
[2023-12-23 01:51:15,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2023-12-23 01:51:15,183 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:51:15,183 INFO  L195           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 01:51:15,193 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
[2023-12-23 01:51:15,390 WARN  L477      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
[2023-12-23 01:51:15,392 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:51:15,392 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:51:15,393 INFO  L85        PathProgramCache]: Analyzing trace with hash 1429325662, now seen corresponding path program 1 times
[2023-12-23 01:51:15,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:51:15,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585007653]
[2023-12-23 01:51:15,393 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:51:15,393 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
[2023-12-23 01:51:15,394 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:51:15,396 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)
[2023-12-23 01:51:15,396 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
[2023-12-23 01:51:15,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:51:15,588 INFO  L262         TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-12-23 01:51:15,593 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:51:16,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1058 proven. 39 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked.
[2023-12-23 01:51:16,287 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 01:51:16,462 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 01:51:16,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585007653]
[2023-12-23 01:51:16,462 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585007653] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 01:51:16,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1487736934]
[2023-12-23 01:51:16,462 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:51:16,463 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-23 01:51:16,463 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-23 01:51:16,552 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-23 01:51:16,589 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2023-12-23 01:51:17,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:51:17,058 INFO  L262         TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-12-23 01:51:17,062 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:51:17,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1058 proven. 39 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked.
[2023-12-23 01:51:17,517 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 01:51:17,587 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1487736934] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 01:51:17,587 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 01:51:17,588 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2023-12-23 01:51:17,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060248092]
[2023-12-23 01:51:17,588 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 01:51:17,588 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-12-23 01:51:17,588 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 01:51:17,589 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-12-23 01:51:17,589 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2023-12-23 01:51:17,589 INFO  L87              Difference]: Start difference. First operand 75 states and 116 transitions. Second operand  has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2023-12-23 01:51:19,074 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 01:51:19,075 INFO  L93              Difference]: Finished difference Result 234 states and 354 transitions.
[2023-12-23 01:51:19,075 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2023-12-23 01:51:19,075 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 198
[2023-12-23 01:51:19,076 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 01:51:19,077 INFO  L225             Difference]: With dead ends: 234
[2023-12-23 01:51:19,078 INFO  L226             Difference]: Without dead ends: 160
[2023-12-23 01:51:19,079 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2023-12-23 01:51:19,079 INFO  L413           NwaCegarLoop]: 140 mSDtfsCounter, 155 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2023-12-23 01:51:19,080 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 544 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2023-12-23 01:51:19,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2023-12-23 01:51:19,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 81.
[2023-12-23 01:51:19,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 45 states have internal predecessors, (55), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-12-23 01:51:19,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions.
[2023-12-23 01:51:19,107 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 198
[2023-12-23 01:51:19,111 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 01:51:19,112 INFO  L495      AbstractCegarLoop]: Abstraction has 81 states and 121 transitions.
[2023-12-23 01:51:19,112 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2023-12-23 01:51:19,112 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions.
[2023-12-23 01:51:19,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2023-12-23 01:51:19,116 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:51:19,116 INFO  L195           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 01:51:19,140 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 (4)] Forceful destruction successful, exit code 0
[2023-12-23 01:51:19,328 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2023-12-23 01:51:19,532 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-23 01:51:19,533 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:51:19,533 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:51:19,534 INFO  L85        PathProgramCache]: Analyzing trace with hash 1429266080, now seen corresponding path program 1 times
[2023-12-23 01:51:19,534 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:51:19,534 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891521214]
[2023-12-23 01:51:19,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:51:19,534 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
[2023-12-23 01:51:19,534 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:51:19,562 INFO  L229       MonitoredProcess]: Starting monitored process 6 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)
[2023-12-23 01:51:19,587 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 (6)] Waiting until timeout for monitored process
[2023-12-23 01:51:19,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:51:19,738 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 01:51:19,743 INFO  L285         TraceCheckSpWp]: Computing forward predicates...