/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_floatingpointinfluence_has-floats_file-53.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:05:27,142 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:05:27,219 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 19:05:27,225 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:05:27,225 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:05:27,255 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:05:27,256 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:05:27,256 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:05:27,257 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:05:27,259 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:05:27,259 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:05:27,260 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:05:27,260 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:05:27,261 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:05:27,261 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:05:27,261 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:05:27,262 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:05:27,262 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:05:27,262 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:05:27,263 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:05:27,263 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:05:27,266 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:05:27,267 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:05:27,267 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:05:27,267 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:05:27,267 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:05:27,268 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:05:27,268 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:05:27,268 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:05:27,268 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:05:27,269 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:05:27,269 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:05:27,269 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:05:27,269 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:05:27,270 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:05:27,270 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:05:27,273 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:05:27,273 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:05:27,273 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:05:27,273 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:05:27,274 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:05:27,274 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:05:27,274 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:05:27,275 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:05:27,275 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:05:27,504 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:05:27,534 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:05:27,538 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:05:27,539 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:05:27,539 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:05:27,541 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i
[2024-11-05 19:05:28,898 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:05:29,079 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:05:29,080 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i
[2024-11-05 19:05:29,088 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f5f5577/6fbef5f07cf94b4cba870a29f379d0e1/FLAGfa1fa42cf
[2024-11-05 19:05:29,100 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f5f5577/6fbef5f07cf94b4cba870a29f379d0e1
[2024-11-05 19:05:29,103 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:05:29,104 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:05:29,105 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:05:29,105 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:05:29,113 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:05:29,114 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,115 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73812a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29, skipping insertion in model container
[2024-11-05 19:05:29,115 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,137 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:05:29,329 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_floatingpointinfluence_has-floats_file-53.i[917,930]
[2024-11-05 19:05:29,387 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:05:29,409 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:05:29,424 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_floatingpointinfluence_has-floats_file-53.i[917,930]
[2024-11-05 19:05:29,457 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:05:29,478 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:05:29,480 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29 WrapperNode
[2024-11-05 19:05:29,481 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:05:29,482 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:05:29,482 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:05:29,482 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:05:29,488 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,503 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,534 INFO  L138                Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113
[2024-11-05 19:05:29,534 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:05:29,535 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:05:29,535 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:05:29,535 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:05:29,548 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,548 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,552 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,563 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 19:05:29,563 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,564 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,574 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,580 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,582 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,583 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,586 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:05:29,587 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:05:29,587 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:05:29,587 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:05:29,588 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (1/1) ...
[2024-11-05 19:05:29,595 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:05:29,606 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:05:29,623 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 19:05:29,625 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 19:05:29,642 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:05:29,642 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:05:29,642 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:05:29,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:05:29,643 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:05:29,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:05:29,708 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:05:29,709 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:05:30,145 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-05 19:05:30,146 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:05:30,162 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:05:30,164 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:05:30,164 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:05:30 BoogieIcfgContainer
[2024-11-05 19:05:30,164 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:05:30,166 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:05:30,166 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:05:30,169 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:05:30,170 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:05:29" (1/3) ...
[2024-11-05 19:05:30,170 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1967f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:05:30, skipping insertion in model container
[2024-11-05 19:05:30,170 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:05:29" (2/3) ...
[2024-11-05 19:05:30,171 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1967f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:05:30, skipping insertion in model container
[2024-11-05 19:05:30,171 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:05:30" (3/3) ...
[2024-11-05 19:05:30,172 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i
[2024-11-05 19:05:30,187 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:05:30,187 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:05:30,257 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:05:30,264 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;@3f8753e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:05:30,265 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:05:30,269 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 19:05:30,283 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-05 19:05:30,283 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:05:30,284 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:30,284 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:05:30,290 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:05:30,291 INFO  L85        PathProgramCache]: Analyzing trace with hash -678885089, now seen corresponding path program 1 times
[2024-11-05 19:05:30,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:05:30,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711573359]
[2024-11-05 19:05:30,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:05:30,301 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 19:05:30,301 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:05:30,309 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 19:05:30,311 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 19:05:30,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:05:30,576 INFO  L255         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:05:30,585 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:05:30,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked.
[2024-11-05 19:05:30,635 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:05:30,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked.
[2024-11-05 19:05:30,767 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:05:30,767 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711573359]
[2024-11-05 19:05:30,767 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1711573359] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:05:30,768 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:05:30,768 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:05:30,770 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108539875]
[2024-11-05 19:05:30,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:05:30,774 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:05:30,774 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:05:30,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:05:30,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:05:30,801 INFO  L87              Difference]: Start difference. First operand  has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-05 19:05:30,830 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:05:30,830 INFO  L93              Difference]: Finished difference Result 101 states and 172 transitions.
[2024-11-05 19:05:30,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:05:30,837 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113
[2024-11-05 19:05:30,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:05:30,843 INFO  L225             Difference]: With dead ends: 101
[2024-11-05 19:05:30,843 INFO  L226             Difference]: Without dead ends: 50
[2024-11-05 19:05:30,846 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 224 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 19:05:30,849 INFO  L432           NwaCegarLoop]: 73 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, 73 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 19:05:30,851 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:05:30,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-05 19:05:30,882 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-05 19:05:30,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 19:05:30,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-11-05 19:05:30,889 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113
[2024-11-05 19:05:30,889 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:05:30,889 INFO  L471      AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-11-05 19:05:30,890 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-05 19:05:30,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-11-05 19:05:30,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-05 19:05:30,894 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:05:30,894 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:30,902 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 19:05:31,096 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 19:05:31,096 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:05:31,097 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:05:31,097 INFO  L85        PathProgramCache]: Analyzing trace with hash 10989083, now seen corresponding path program 1 times
[2024-11-05 19:05:31,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:05:31,098 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587004386]
[2024-11-05 19:05:31,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:05:31,098 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 19:05:31,100 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:05:31,103 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 19:05:31,104 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 19:05:31,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:05:31,303 INFO  L255         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-05 19:05:31,309 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:05:32,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-05 19:05:32,752 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:05:39,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 138 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked.
[2024-11-05 19:05:39,700 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:05:39,700 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587004386]
[2024-11-05 19:05:39,700 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1587004386] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:05:39,701 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:05:39,701 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25
[2024-11-05 19:05:39,701 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911019103]
[2024-11-05 19:05:39,701 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:05:39,703 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-05 19:05:39,703 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:05:39,704 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-05 19:05:39,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=408, Unknown=3, NotChecked=0, Total=600
[2024-11-05 19:05:39,705 INFO  L87              Difference]: Start difference. First operand 50 states and 73 transitions. Second operand  has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (35), 5 states have call predecessors, (35), 9 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36)
[2024-11-05 19:05:40,954 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:05:40,954 INFO  L93              Difference]: Finished difference Result 115 states and 157 transitions.
[2024-11-05 19:05:40,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-05 19:05:40,964 INFO  L78                 Accepts]: Start accepts. Automaton has  has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (35), 5 states have call predecessors, (35), 9 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36) Word has length 113
[2024-11-05 19:05:40,964 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:05:40,966 INFO  L225             Difference]: With dead ends: 115
[2024-11-05 19:05:40,966 INFO  L226             Difference]: Without dead ends: 68
[2024-11-05 19:05:40,967 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=313, Invalid=614, Unknown=3, NotChecked=0, Total=930
[2024-11-05 19:05:40,968 INFO  L432           NwaCegarLoop]: 55 mSDtfsCounter, 75 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-05 19:05:40,969 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 246 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-05 19:05:40,970 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-11-05 19:05:40,990 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66.
[2024-11-05 19:05:40,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 19:05:40,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions.
[2024-11-05 19:05:40,992 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 113
[2024-11-05 19:05:40,995 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:05:40,995 INFO  L471      AbstractCegarLoop]: Abstraction has 66 states and 84 transitions.
[2024-11-05 19:05:40,996 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (35), 5 states have call predecessors, (35), 9 states have return successors, (36), 7 states have call predecessors, (36), 8 states have call successors, (36)
[2024-11-05 19:05:40,996 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions.
[2024-11-05 19:05:40,997 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-05 19:05:40,998 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:05:40,998 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:41,017 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 19:05:41,203 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 19:05:41,204 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:05:41,205 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:05:41,205 INFO  L85        PathProgramCache]: Analyzing trace with hash -236601490, now seen corresponding path program 1 times
[2024-11-05 19:05:41,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:05:41,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712570679]
[2024-11-05 19:05:41,206 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:05:41,206 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 19:05:41,206 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:05:41,207 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 19:05:41,209 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 19:05:41,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:05:41,401 INFO  L255         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-05 19:05:41,405 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:05:42,187 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 379 proven. 120 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked.
[2024-11-05 19:05:42,187 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:05:43,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked.
[2024-11-05 19:05:43,406 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:05:43,406 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712570679]
[2024-11-05 19:05:43,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1712570679] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:05:43,407 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:05:43,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23
[2024-11-05 19:05:43,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983290272]
[2024-11-05 19:05:43,407 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:05:43,408 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-05 19:05:43,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:05:43,409 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-05 19:05:43,410 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506
[2024-11-05 19:05:43,410 INFO  L87              Difference]: Start difference. First operand 66 states and 84 transitions. Second operand  has 23 states, 23 states have (on average 2.9130434782608696) internal successors, (67), 22 states have internal predecessors, (67), 8 states have call successors, (33), 5 states have call predecessors, (33), 11 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34)
[2024-11-05 19:05:44,624 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:05:44,626 INFO  L93              Difference]: Finished difference Result 143 states and 177 transitions.
[2024-11-05 19:05:44,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2024-11-05 19:05:44,636 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 23 states have (on average 2.9130434782608696) internal successors, (67), 22 states have internal predecessors, (67), 8 states have call successors, (33), 5 states have call predecessors, (33), 11 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34) Word has length 114
[2024-11-05 19:05:44,637 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:05:44,638 INFO  L225             Difference]: With dead ends: 143
[2024-11-05 19:05:44,638 INFO  L226             Difference]: Without dead ends: 80
[2024-11-05 19:05:44,640 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=316, Invalid=676, Unknown=0, NotChecked=0, Total=992
[2024-11-05 19:05:44,641 INFO  L432           NwaCegarLoop]: 48 mSDtfsCounter, 132 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-05 19:05:44,641 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 170 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-05 19:05:44,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-05 19:05:44,652 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74.
[2024-11-05 19:05:44,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 48 states have internal predecessors, (53), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-05 19:05:44,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions.
[2024-11-05 19:05:44,653 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 114
[2024-11-05 19:05:44,654 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:05:44,654 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 89 transitions.
[2024-11-05 19:05:44,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 2.9130434782608696) internal successors, (67), 22 states have internal predecessors, (67), 8 states have call successors, (33), 5 states have call predecessors, (33), 11 states have return successors, (34), 8 states have call predecessors, (34), 8 states have call successors, (34)
[2024-11-05 19:05:44,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions.
[2024-11-05 19:05:44,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-05 19:05:44,656 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:05:44,656 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:44,666 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 19:05:44,857 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 19:05:44,857 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:05:44,858 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:05:44,858 INFO  L85        PathProgramCache]: Analyzing trace with hash -916659860, now seen corresponding path program 1 times
[2024-11-05 19:05:44,858 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:05:44,858 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372201317]
[2024-11-05 19:05:44,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:05:44,858 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 19:05:44,859 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:05:44,860 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 19:05:44,861 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 19:05:45,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:05:45,119 INFO  L255         TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-05 19:05:45,126 INFO  L278         TraceCheckSpWp]: Computing forward predicates...