/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:27:59,886 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:27:59,963 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 19:27:59,970 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:27:59,972 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:27:59,999 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:28:00,001 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:28:00,002 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:28:00,002 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:28:00,004 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:28:00,004 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:28:00,004 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:28:00,005 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:28:00,007 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:28:00,007 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:28:00,007 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:28:00,008 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:28:00,008 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:28:00,008 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:28:00,008 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:28:00,009 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:28:00,015 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:28:00,015 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:28:00,015 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:28:00,016 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:28:00,016 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:28:00,016 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:28:00,016 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:28:00,016 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:28:00,017 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:28:00,017 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:28:00,017 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:28:00,017 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:28:00,018 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:28:00,018 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:28:00,019 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:28:00,019 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:28:00,019 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:28:00,019 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:28:00,020 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:28:00,020 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:28:00,020 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:28:00,020 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:28:00,020 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:28:00,021 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:28:00,226 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:28:00,246 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:28:00,249 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:28:00,250 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:28:00,250 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:28:00,251 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-05 19:28:01,728 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:28:01,921 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:28:01,921 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-05 19:28:01,931 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b99b24a/1cf872e60c044e5f9e219e91b3df5108/FLAG4eb478d5e
[2024-11-05 19:28:01,948 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b99b24a/1cf872e60c044e5f9e219e91b3df5108
[2024-11-05 19:28:01,951 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:28:01,952 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:28:01,953 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:28:01,953 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:28:01,960 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:28:01,961 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:28:01" (1/1) ...
[2024-11-05 19:28:01,962 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b55ee30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:01, skipping insertion in model container
[2024-11-05 19:28:01,962 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:28:01" (1/1) ...
[2024-11-05 19:28:01,997 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:28:02,194 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_amount100_file-63.i[916,929]
[2024-11-05 19:28:02,302 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:28:02,321 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:28:02,336 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_amount100_file-63.i[916,929]
[2024-11-05 19:28:02,394 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:28:02,422 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:28:02,424 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02 WrapperNode
[2024-11-05 19:28:02,424 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:28:02,426 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:28:02,426 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:28:02,426 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:28:02,432 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,449 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,494 INFO  L138                Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178
[2024-11-05 19:28:02,494 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:28:02,498 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:28:02,498 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:28:02,499 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:28:02,514 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,515 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,524 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,552 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].
[2024-11-05 19:28:02,553 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,553 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,574 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,581 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,583 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,589 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,594 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:28:02,600 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:28:02,600 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:28:02,600 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:28:02,601 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (1/1) ...
[2024-11-05 19:28:02,607 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:28:02,617 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:28:02,634 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)
[2024-11-05 19:28:02,637 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
[2024-11-05 19:28:02,664 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:28:02,664 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:28:02,664 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:28:02,665 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:28:02,665 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:28:02,666 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:28:02,815 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:28:02,817 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:28:03,682 INFO  L?                        ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-05 19:28:03,683 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:28:03,700 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:28:03,700 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:28:03,701 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:28:03 BoogieIcfgContainer
[2024-11-05 19:28:03,701 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:28:03,703 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:28:03,703 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:28:03,705 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:28:03,705 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:28:01" (1/3) ...
[2024-11-05 19:28:03,706 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140c7797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:28:03, skipping insertion in model container
[2024-11-05 19:28:03,706 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:28:02" (2/3) ...
[2024-11-05 19:28:03,706 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140c7797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:28:03, skipping insertion in model container
[2024-11-05 19:28:03,706 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:28:03" (3/3) ...
[2024-11-05 19:28:03,707 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-63.i
[2024-11-05 19:28:03,720 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:28:03,721 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:28:03,768 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:28:03,775 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;@175159ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:28:03,775 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:28:03,779 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-05 19:28:03,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 19:28:03,791 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:28:03,791 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:28:03,792 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:28:03,797 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:28:03,797 INFO  L85        PathProgramCache]: Analyzing trace with hash -1892635537, now seen corresponding path program 1 times
[2024-11-05 19:28:03,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:28:03,804 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633839490]
[2024-11-05 19:28:03,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:28:03,806 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
[2024-11-05 19:28:03,806 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:28:03,812 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)
[2024-11-05 19:28:03,813 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
[2024-11-05 19:28:04,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:28:04,062 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:28:04,106 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:28:04,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked.
[2024-11-05 19:28:04,201 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:28:04,416 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-05 19:28:04,420 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:28:04,420 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633839490]
[2024-11-05 19:28:04,421 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [633839490] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:28:04,421 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:28:04,421 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:28:04,423 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930980654]
[2024-11-05 19:28:04,423 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:28:04,427 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:28:04,427 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:28:04,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:28:04,452 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:28:04,454 INFO  L87              Difference]: Start difference. First operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-05 19:28:04,480 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:28:04,480 INFO  L93              Difference]: Finished difference Result 145 states and 250 transitions.
[2024-11-05 19:28:04,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:28:04,486 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140
[2024-11-05 19:28:04,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:28:04,492 INFO  L225             Difference]: With dead ends: 145
[2024-11-05 19:28:04,492 INFO  L226             Difference]: Without dead ends: 72
[2024-11-05 19:28:04,495 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:28:04,499 INFO  L432           NwaCegarLoop]: 109 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, 109 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
[2024-11-05 19:28:04,499 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:28:04,515 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-11-05 19:28:04,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-11-05 19:28:04,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-05 19:28:04,549 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions.
[2024-11-05 19:28:04,553 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 140
[2024-11-05 19:28:04,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:28:04,553 INFO  L471      AbstractCegarLoop]: Abstraction has 72 states and 109 transitions.
[2024-11-05 19:28:04,553 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-05 19:28:04,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions.
[2024-11-05 19:28:04,558 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 19:28:04,559 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:28:04,559 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:28:04,570 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 (2)] Forceful destruction successful, exit code 0
[2024-11-05 19:28:04,763 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
[2024-11-05 19:28:04,765 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:28:04,766 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:28:04,767 INFO  L85        PathProgramCache]: Analyzing trace with hash -1501656533, now seen corresponding path program 1 times
[2024-11-05 19:28:04,767 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:28:04,767 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115713204]
[2024-11-05 19:28:04,767 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:28:04,767 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
[2024-11-05 19:28:04,768 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:28:04,769 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)
[2024-11-05 19:28:04,770 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
[2024-11-05 19:28:05,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:28:05,040 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-05 19:28:05,047 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:28:06,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2024-11-05 19:28:06,666 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:28:14,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2024-11-05 19:28:14,291 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:28:14,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115713204]
[2024-11-05 19:28:14,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2115713204] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:28:14,292 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:28:14,292 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18
[2024-11-05 19:28:14,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942475990]
[2024-11-05 19:28:14,292 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:28:14,299 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-05 19:28:14,299 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:28:14,300 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-05 19:28:14,301 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306
[2024-11-05 19:28:14,301 INFO  L87              Difference]: Start difference. First operand 72 states and 109 transitions. Second operand  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-05 19:29:18,074 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:29:18,075 INFO  L93              Difference]: Finished difference Result 353 states and 519 transitions.
[2024-11-05 19:29:18,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-05 19:29:18,096 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 140
[2024-11-05 19:29:18,097 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:29:18,099 INFO  L225             Difference]: With dead ends: 353
[2024-11-05 19:29:18,099 INFO  L226             Difference]: Without dead ends: 284
[2024-11-05 19:29:18,101 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 30.7s TimeCoverageRelationStatistics Valid=603, Invalid=1119, Unknown=0, NotChecked=0, Total=1722
[2024-11-05 19:29:18,102 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 810 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time
[2024-11-05 19:29:18,102 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 585 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 37.7s Time]
[2024-11-05 19:29:18,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2024-11-05 19:29:18,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 194.
[2024-11-05 19:29:18,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 194 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 126 states have internal predecessors, (164), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-05 19:29:18,135 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 284 transitions.
[2024-11-05 19:29:18,136 INFO  L78                 Accepts]: Start accepts. Automaton has 194 states and 284 transitions. Word has length 140
[2024-11-05 19:29:18,136 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:29:18,136 INFO  L471      AbstractCegarLoop]: Abstraction has 194 states and 284 transitions.
[2024-11-05 19:29:18,137 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-05 19:29:18,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 194 states and 284 transitions.
[2024-11-05 19:29:18,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-05 19:29:18,138 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:29:18,138 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:29:18,156 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 (3)] Ended with exit code 0
[2024-11-05 19:29:18,339 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
[2024-11-05 19:29:18,339 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:29:18,341 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:29:18,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 924292043, now seen corresponding path program 1 times
[2024-11-05 19:29:18,341 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:29:18,341 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697858170]
[2024-11-05 19:29:18,341 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:29:18,342 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
[2024-11-05 19:29:18,342 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:29:18,345 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)
[2024-11-05 19:29:18,346 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
[2024-11-05 19:29:18,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:29:18,554 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 19:29:18,564 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:29:20,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-11-05 19:29:20,004 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:29:21,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-05 19:29:21,266 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:29:21,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697858170]
[2024-11-05 19:29:21,266 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [697858170] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:29:21,266 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:29:21,266 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-05 19:29:21,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893943694]
[2024-11-05 19:29:21,266 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:29:21,267 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-05 19:29:21,267 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:29:21,268 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-05 19:29:21,268 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 19:29:21,268 INFO  L87              Difference]: Start difference. First operand 194 states and 284 transitions. Second operand  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-05 19:29:22,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:29:22,659 INFO  L93              Difference]: Finished difference Result 353 states and 507 transitions.
[2024-11-05 19:29:22,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-05 19:29:22,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 140
[2024-11-05 19:29:22,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:29:22,678 INFO  L225             Difference]: With dead ends: 353
[2024-11-05 19:29:22,678 INFO  L226             Difference]: Without dead ends: 210
[2024-11-05 19:29:22,679 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-05 19:29:22,680 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 107 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-05 19:29:22,680 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 190 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-05 19:29:22,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-05 19:29:22,709 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202.
[2024-11-05 19:29:22,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 131 states have internal predecessors, (160), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-05 19:29:22,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 280 transitions.
[2024-11-05 19:29:22,711 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 280 transitions. Word has length 140
[2024-11-05 19:29:22,712 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:29:22,712 INFO  L471      AbstractCegarLoop]: Abstraction has 202 states and 280 transitions.
[2024-11-05 19:29:22,718 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-05 19:29:22,718 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 280 transitions.
[2024-11-05 19:29:22,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-05 19:29:22,720 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:29:22,720 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:29:22,738 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 (4)] Ended with exit code 0
[2024-11-05 19:29:22,920 WARN  L453      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
[2024-11-05 19:29:22,920 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:29:22,921 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:29:22,921 INFO  L85        PathProgramCache]: Analyzing trace with hash 110609269, now seen corresponding path program 1 times
[2024-11-05 19:29:22,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:29:22,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993653567]
[2024-11-05 19:29:22,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:29:22,922 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
[2024-11-05 19:29:22,922 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:29:22,926 INFO  L229       MonitoredProcess]: Starting monitored process 5 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)
[2024-11-05 19:29:22,927 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 (5)] Waiting until timeout for monitored process
[2024-11-05 19:29:23,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:29:23,097 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-05 19:29:23,100 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:29:24,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked.
[2024-11-05 19:29:24,406 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:29:25,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-05 19:29:25,795 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:29:25,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993653567]
[2024-11-05 19:29:25,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [993653567] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:29:25,799 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:29:25,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-05 19:29:25,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243549568]
[2024-11-05 19:29:25,799 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:29:25,800 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-05 19:29:25,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:29:25,802 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-05 19:29:25,803 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-05 19:29:25,803 INFO  L87              Difference]: Start difference. First operand 202 states and 280 transitions. Second operand  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-05 19:29:28,682 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:29:28,683 INFO  L93              Difference]: Finished difference Result 530 states and 723 transitions.
[2024-11-05 19:29:28,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-05 19:29:28,687 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141
[2024-11-05 19:29:28,687 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:29:28,690 INFO  L225             Difference]: With dead ends: 530
[2024-11-05 19:29:28,690 INFO  L226             Difference]: Without dead ends: 387
[2024-11-05 19:29:28,691 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-05 19:29:28,692 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 160 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-05 19:29:28,692 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 230 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-05 19:29:28,694 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 387 states.
[2024-11-05 19:29:28,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 220.
[2024-11-05 19:29:28,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 220 states, 146 states have (on average 1.1849315068493151) internal successors, (173), 146 states have internal predecessors, (173), 60 states have call successors, (60), 13 states have call predecessors, (60), 13 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-05 19:29:28,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 293 transitions.
[2024-11-05 19:29:28,758 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 293 transitions. Word has length 141
[2024-11-05 19:29:28,758 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:29:28,758 INFO  L471      AbstractCegarLoop]: Abstraction has 220 states and 293 transitions.
[2024-11-05 19:29:28,758 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-05 19:29:28,759 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 293 transitions.
[2024-11-05 19:29:28,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-05 19:29:28,760 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:29:28,760 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:29:28,776 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 (5)] Ended with exit code 0
[2024-11-05 19:29:28,964 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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
[2024-11-05 19:29:28,966 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:29:28,967 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:29:28,967 INFO  L85        PathProgramCache]: Analyzing trace with hash -1125242315, now seen corresponding path program 1 times
[2024-11-05 19:29:28,967 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:29:28,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61289806]
[2024-11-05 19:29:28,967 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:29:28,967 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
[2024-11-05 19:29:28,967 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:29:28,969 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)
[2024-11-05 19:29:28,972 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
[2024-11-05 19:29:29,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:29:29,157 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-05 19:29:29,159 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:29:30,596 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked.
[2024-11-05 19:29:30,596 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:29:32,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-05 19:29:32,163 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:29:32,165 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61289806]
[2024-11-05 19:29:32,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [61289806] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:29:32,165 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:29:32,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-05 19:29:32,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608505789]
[2024-11-05 19:29:32,165 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:29:32,166 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-05 19:29:32,166 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:29:32,167 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-05 19:29:32,167 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-05 19:29:32,167 INFO  L87              Difference]: Start difference. First operand 220 states and 293 transitions. Second operand  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-05 19:29:35,297 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:29:35,297 INFO  L93              Difference]: Finished difference Result 530 states and 703 transitions.
[2024-11-05 19:29:35,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-05 19:29:35,300 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141
[2024-11-05 19:29:35,301 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:29:35,303 INFO  L225             Difference]: With dead ends: 530
[2024-11-05 19:29:35,303 INFO  L226             Difference]: Without dead ends: 387
[2024-11-05 19:29:35,304 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2024-11-05 19:29:35,304 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 328 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-05 19:29:35,304 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 295 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-05 19:29:35,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 387 states.
[2024-11-05 19:29:35,337 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240.
[2024-11-05 19:29:35,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 240 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 166 states have internal predecessors, (201), 60 states have call successors, (60), 13 states have call predecessors, (60), 13 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-05 19:29:35,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 321 transitions.
[2024-11-05 19:29:35,341 INFO  L78                 Accepts]: Start accepts. Automaton has 240 states and 321 transitions. Word has length 141
[2024-11-05 19:29:35,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:29:35,344 INFO  L471      AbstractCegarLoop]: Abstraction has 240 states and 321 transitions.
[2024-11-05 19:29:35,344 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-05 19:29:35,345 INFO  L276                IsEmpty]: Start isEmpty. Operand 240 states and 321 transitions.
[2024-11-05 19:29:35,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-05 19:29:35,345 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:29:35,346 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:29:35,357 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 (6)] Forceful destruction successful, exit code 0
[2024-11-05 19:29:35,551 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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
[2024-11-05 19:29:35,551 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:29:35,552 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:29:35,552 INFO  L85        PathProgramCache]: Analyzing trace with hash -1518269325, now seen corresponding path program 1 times
[2024-11-05 19:29:35,552 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:29:35,552 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017771757]
[2024-11-05 19:29:35,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:29:35,552 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
[2024-11-05 19:29:35,552 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:29:35,555 INFO  L229       MonitoredProcess]: Starting monitored process 7 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)
[2024-11-05 19:29:35,556 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 (7)] Waiting until timeout for monitored process
[2024-11-05 19:29:35,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:29:35,806 INFO  L255         TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-05 19:29:35,813 INFO  L278         TraceCheckSpWp]: Computing forward predicates...