/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-97.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:32:21,250 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:32:21,327 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 19:32:21,331 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:32:21,332 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:32:21,359 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:32:21,359 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:32:21,360 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:32:21,360 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:32:21,361 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:32:21,361 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:32:21,361 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:32:21,362 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:32:21,364 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:32:21,364 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:32:21,364 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:32:21,364 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:32:21,365 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:32:21,365 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:32:21,365 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:32:21,366 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:32:21,366 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:32:21,366 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:32:21,367 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:32:21,367 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:32:21,367 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:32:21,367 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:32:21,368 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:32:21,368 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:32:21,368 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:32:21,368 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:32:21,369 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:32:21,369 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:32:21,369 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:32:21,370 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:32:21,370 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:32:21,370 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:32:21,370 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:32:21,371 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:32:21,371 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:32:21,371 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:32:21,374 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:32:21,374 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:32:21,374 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:32:21,374 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:32:21,583 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:32:21,608 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:32:21,612 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:32:21,614 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:32:21,614 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:32:21,616 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-97.i
[2024-11-05 19:32:23,032 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:32:23,210 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:32:23,211 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-97.i
[2024-11-05 19:32:23,221 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67668527b/1f8d61c76ec645538608c7d38ed5985a/FLAG6d753c24e
[2024-11-05 19:32:23,235 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67668527b/1f8d61c76ec645538608c7d38ed5985a
[2024-11-05 19:32:23,237 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:32:23,238 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:32:23,239 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:32:23,239 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:32:23,243 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:32:23,244 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,245 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac4d206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23, skipping insertion in model container
[2024-11-05 19:32:23,245 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,273 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:32:23,434 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-97.i[916,929]
[2024-11-05 19:32:23,510 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:32:23,530 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:32:23,566 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-97.i[916,929]
[2024-11-05 19:32:23,605 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:32:23,630 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:32:23,632 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23 WrapperNode
[2024-11-05 19:32:23,632 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:32:23,633 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:32:23,633 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:32:23,634 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:32:23,639 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,651 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,685 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182
[2024-11-05 19:32:23,686 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:32:23,686 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:32:23,686 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:32:23,687 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:32:23,702 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,702 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,708 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,727 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 19:32:23,727 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,727 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,738 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,742 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,745 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,747 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,752 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:32:23,753 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:32:23,753 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:32:23,753 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:32:23,754 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (1/1) ...
[2024-11-05 19:32:23,759 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:32:23,770 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:32:23,784 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 19:32:23,786 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 19:32:23,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:32:23,814 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:32:23,814 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:32:23,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:32:23,815 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:32:23,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:32:23,910 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:32:23,912 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:32:32,285 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-05 19:32:32,285 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:32:32,301 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:32:32,301 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:32:32,301 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:32:32 BoogieIcfgContainer
[2024-11-05 19:32:32,301 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:32:32,304 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:32:32,304 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:32:32,308 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:32:32,308 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:32:23" (1/3) ...
[2024-11-05 19:32:32,309 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f752b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:32:32, skipping insertion in model container
[2024-11-05 19:32:32,309 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:32:23" (2/3) ...
[2024-11-05 19:32:32,309 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f752b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:32:32, skipping insertion in model container
[2024-11-05 19:32:32,309 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:32:32" (3/3) ...
[2024-11-05 19:32:32,311 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-97.i
[2024-11-05 19:32:32,326 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:32:32,327 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:32:32,379 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:32:32,385 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;@184cabf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:32:32,385 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:32:32,389 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 81 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-05 19:32:32,402 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-11-05 19:32:32,403 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:32:32,404 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:32:32,404 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:32:32,409 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:32:32,409 INFO  L85        PathProgramCache]: Analyzing trace with hash -526305821, now seen corresponding path program 1 times
[2024-11-05 19:32:32,416 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:32:32,416 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254810677]
[2024-11-05 19:32:32,416 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:32:32,418 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 19:32:32,418 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:32:32,419 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 19:32:32,421 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 19:32:32,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:32:32,990 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:32:33,000 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:32:33,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked.
[2024-11-05 19:32:33,048 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:32:33,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 14 proven. 32 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-05 19:32:33,813 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:32:33,813 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254810677]
[2024-11-05 19:32:33,813 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [254810677] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:32:33,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:32:33,814 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:32:33,815 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471026472]
[2024-11-05 19:32:33,816 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:32:33,820 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:32:33,820 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:32:33,837 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:32:33,838 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:32:33,840 INFO  L87              Difference]: Start difference. First operand  has 81 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-05 19:32:33,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:32:33,875 INFO  L93              Difference]: Finished difference Result 155 states and 272 transitions.
[2024-11-05 19:32:33,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:32:33,877 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159
[2024-11-05 19:32:33,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:32:33,884 INFO  L225             Difference]: With dead ends: 155
[2024-11-05 19:32:33,884 INFO  L226             Difference]: Without dead ends: 77
[2024-11-05 19:32:33,887 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 316 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 19:32:33,889 INFO  L432           NwaCegarLoop]: 120 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, 120 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 19:32:33,890 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:32:33,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-05 19:32:33,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2024-11-05 19:32:33,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-05 19:32:33,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions.
[2024-11-05 19:32:33,938 INFO  L78                 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 159
[2024-11-05 19:32:33,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:32:33,939 INFO  L471      AbstractCegarLoop]: Abstraction has 77 states and 120 transitions.
[2024-11-05 19:32:33,940 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-05 19:32:33,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions.
[2024-11-05 19:32:33,944 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-11-05 19:32:33,945 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:32:33,945 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:32:33,965 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 19:32:34,146 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 19:32:34,147 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:32:34,147 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:32:34,148 INFO  L85        PathProgramCache]: Analyzing trace with hash -179999509, now seen corresponding path program 1 times
[2024-11-05 19:32:34,148 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:32:34,148 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062492751]
[2024-11-05 19:32:34,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:32:34,148 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 19:32:34,148 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:32:34,150 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 19:32:34,151 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 19:32:34,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:32:34,714 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 19:32:34,720 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:32:39,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-05 19:32:39,154 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:32:47,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-05 19:32:47,096 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:32:47,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062492751]
[2024-11-05 19:32:47,097 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2062492751] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 19:32:47,097 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 19:32:47,097 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2024-11-05 19:32:47,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738469066]
[2024-11-05 19:32:47,098 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 19:32:47,100 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-05 19:32:47,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:32:47,102 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-05 19:32:47,102 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-05 19:32:47,103 INFO  L87              Difference]: Start difference. First operand 77 states and 120 transitions. Second operand  has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-05 19:32:49,596 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:32:50,836 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:32:58,159 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:02,165 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:17,359 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:21,367 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:25,979 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:26,542 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:33:26,542 INFO  L93              Difference]: Finished difference Result 251 states and 395 transitions.
[2024-11-05 19:33:26,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 19:33:26,553 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 159
[2024-11-05 19:33:26,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:33:26,556 INFO  L225             Difference]: With dead ends: 251
[2024-11-05 19:33:26,557 INFO  L226             Difference]: Without dead ends: 177
[2024-11-05 19:33:26,558 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 19:33:26,559 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 161 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 51 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time
[2024-11-05 19:33:26,559 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 407 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 99 Invalid, 5 Unknown, 0 Unchecked, 39.3s Time]
[2024-11-05 19:33:26,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2024-11-05 19:33:26,593 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 127.
[2024-11-05 19:33:26,594 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 127 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 76 states have internal predecessors, (101), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-05 19:33:26,598 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 197 transitions.
[2024-11-05 19:33:26,599 INFO  L78                 Accepts]: Start accepts. Automaton has 127 states and 197 transitions. Word has length 159
[2024-11-05 19:33:26,600 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:33:26,600 INFO  L471      AbstractCegarLoop]: Abstraction has 127 states and 197 transitions.
[2024-11-05 19:33:26,601 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-05 19:33:26,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions.
[2024-11-05 19:33:26,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-11-05 19:33:26,603 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:33:26,604 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:33:26,623 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-05 19:33:26,804 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 19:33:26,805 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:33:26,806 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:33:26,806 INFO  L85        PathProgramCache]: Analyzing trace with hash -1201067863, now seen corresponding path program 1 times
[2024-11-05 19:33:26,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:33:26,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281532890]
[2024-11-05 19:33:26,806 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:33:26,807 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 19:33:26,807 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:33:26,808 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 19:33:26,809 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 19:33:27,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:33:27,327 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-05 19:33:27,333 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:33:28,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked.
[2024-11-05 19:33:28,412 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:33:30,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-11-05 19:33:30,114 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:33:30,114 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281532890]
[2024-11-05 19:33:30,115 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1281532890] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:33:30,115 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:33:30,115 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-05 19:33:30,115 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661889359]
[2024-11-05 19:33:30,115 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:33:30,116 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-05 19:33:30,116 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:33:30,117 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-05 19:33:30,117 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-05 19:33:30,117 INFO  L87              Difference]: Start difference. First operand 127 states and 197 transitions. Second operand  has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-05 19:33:36,508 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:40,512 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:44,525 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:48,532 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:33:50,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:33:50,401 INFO  L93              Difference]: Finished difference Result 216 states and 325 transitions.
[2024-11-05 19:33:50,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-05 19:33:50,401 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 159
[2024-11-05 19:33:50,402 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:33:50,404 INFO  L225             Difference]: With dead ends: 216
[2024-11-05 19:33:50,404 INFO  L226             Difference]: Without dead ends: 141
[2024-11-05 19:33:50,405 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2024-11-05 19:33:50,408 INFO  L432           NwaCegarLoop]: 116 mSDtfsCounter, 184 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 95 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time
[2024-11-05 19:33:50,408 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 406 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 373 Invalid, 4 Unknown, 0 Unchecked, 19.3s Time]
[2024-11-05 19:33:50,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2024-11-05 19:33:50,424 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133.
[2024-11-05 19:33:50,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 133 states, 80 states have (on average 1.2125) internal successors, (97), 80 states have internal predecessors, (97), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-05 19:33:50,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions.
[2024-11-05 19:33:50,427 INFO  L78                 Accepts]: Start accepts. Automaton has 133 states and 193 transitions. Word has length 159
[2024-11-05 19:33:50,428 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:33:50,428 INFO  L471      AbstractCegarLoop]: Abstraction has 133 states and 193 transitions.
[2024-11-05 19:33:50,428 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-05 19:33:50,428 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions.
[2024-11-05 19:33:50,430 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-11-05 19:33:50,430 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:33:50,431 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:33:50,455 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-05 19:33:50,631 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 19:33:50,632 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:33:50,632 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:33:50,632 INFO  L85        PathProgramCache]: Analyzing trace with hash -951717193, now seen corresponding path program 1 times
[2024-11-05 19:33:50,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:33:50,633 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616116052]
[2024-11-05 19:33:50,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:33:50,633 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 19:33:50,633 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:33:50,636 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 19:33:50,637 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 19:33:51,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:33:51,155 INFO  L255         TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-05 19:33:51,162 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:33:58,924 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 715 proven. 153 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked.
[2024-11-05 19:33:58,924 INFO  L311         TraceCheckSpWp]: Computing backward predicates...