/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-96.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 08:04:19,565 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 08:04:19,620 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 08:04:19,623 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 08:04:19,624 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 08:04:19,646 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 08:04:19,646 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 08:04:19,647 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 08:04:19,647 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 08:04:19,648 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 08:04:19,649 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 08:04:19,649 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 08:04:19,649 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 08:04:19,649 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 08:04:19,650 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 08:04:19,650 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 08:04:19,650 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 08:04:19,650 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 08:04:19,650 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 08:04:19,651 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 08:04:19,651 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 08:04:19,653 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 08:04:19,653 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 08:04:19,653 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 08:04:19,654 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 08:04:19,654 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 08:04:19,655 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 08:04:19,655 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 08:04:19,655 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 08:04:19,655 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 08:04:19,655 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 08:04:19,655 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 08:04:19,656 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 08:04:19,656 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 08:04:19,656 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 08:04:19,656 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 08:04:19,657 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 08:04:19,658 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 08:04:19,658 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 08:04:19,658 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:04:19,817 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 08:04:19,837 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 08:04:19,839 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 08:04:19,840 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 08:04:19,840 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 08:04:19,841 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-96.i
[2024-11-03 08:04:20,989 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 08:04:21,150 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 08:04:21,150 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-96.i
[2024-11-03 08:04:21,159 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb07205f/03476414637b45cca99f9eba10d4003b/FLAG0bd2bed53
[2024-11-03 08:04:21,548 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb07205f/03476414637b45cca99f9eba10d4003b
[2024-11-03 08:04:21,550 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 08:04:21,551 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 08:04:21,552 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 08:04:21,552 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 08:04:21,556 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 08:04:21,556 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,557 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda2119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21, skipping insertion in model container
[2024-11-03 08:04:21,557 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,588 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 08:04:21,710 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-96.i[916,929]
[2024-11-03 08:04:21,784 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 08:04:21,798 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 08:04:21,806 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-96.i[916,929]
[2024-11-03 08:04:21,835 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 08:04:21,853 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 08:04:21,853 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21 WrapperNode
[2024-11-03 08:04:21,853 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 08:04:21,854 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 08:04:21,854 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 08:04:21,854 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 08:04:21,860 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,875 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,898 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213
[2024-11-03 08:04:21,898 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 08:04:21,899 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 08:04:21,899 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 08:04:21,899 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 08:04:21,906 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,907 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,911 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,921 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].
[2024-11-03 08:04:21,921 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,921 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,932 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,937 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,939 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,944 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,947 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 08:04:21,948 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 08:04:21,948 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 08:04:21,948 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 08:04:21,952 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (1/1) ...
[2024-11-03 08:04:21,956 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 08:04:21,963 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 08:04:21,978 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)
[2024-11-03 08:04:21,980 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
[2024-11-03 08:04:21,999 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 08:04:21,999 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 08:04:22,000 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 08:04:22,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 08:04:22,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 08:04:22,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 08:04:22,093 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 08:04:22,094 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 08:04:23,115 INFO  L?                        ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-03 08:04:23,116 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 08:04:23,129 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 08:04:23,133 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 08:04:23,133 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:04:23 BoogieIcfgContainer
[2024-11-03 08:04:23,133 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 08:04:23,135 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 08:04:23,135 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 08:04:23,137 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 08:04:23,137 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:04:21" (1/3) ...
[2024-11-03 08:04:23,138 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b430b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:04:23, skipping insertion in model container
[2024-11-03 08:04:23,138 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:04:21" (2/3) ...
[2024-11-03 08:04:23,138 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b430b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:04:23, skipping insertion in model container
[2024-11-03 08:04:23,138 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:04:23" (3/3) ...
[2024-11-03 08:04:23,139 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-96.i
[2024-11-03 08:04:23,150 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 08:04:23,151 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 08:04:23,194 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 08:04:23,198 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;@56caa528, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 08:04:23,198 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 08:04:23,202 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 08:04:23,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2024-11-03 08:04:23,215 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:04:23,216 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:04:23,216 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:04:23,220 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:04:23,221 INFO  L85        PathProgramCache]: Analyzing trace with hash -1235426740, now seen corresponding path program 1 times
[2024-11-03 08:04:23,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:04:23,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874553660]
[2024-11-03 08:04:23,227 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:04:23,229 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
[2024-11-03 08:04:23,230 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:04:23,233 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)
[2024-11-03 08:04:23,234 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
[2024-11-03 08:04:23,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:04:23,571 INFO  L255         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 08:04:23,579 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:04:23,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked.
[2024-11-03 08:04:23,628 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:04:23,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 8 proven. 46 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 08:04:23,803 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:04:23,803 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874553660]
[2024-11-03 08:04:23,803 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [874553660] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 08:04:23,803 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 08:04:23,804 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 08:04:23,805 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652170074]
[2024-11-03 08:04:23,806 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 08:04:23,809 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 08:04:23,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:04:23,829 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 08:04:23,829 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 08:04:23,831 INFO  L87              Difference]: Start difference. First operand  has 91 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-03 08:04:23,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:04:23,861 INFO  L93              Difference]: Finished difference Result 175 states and 306 transitions.
[2024-11-03 08:04:23,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 08:04:23,864 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 183
[2024-11-03 08:04:23,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:04:23,870 INFO  L225             Difference]: With dead ends: 175
[2024-11-03 08:04:23,871 INFO  L226             Difference]: Without dead ends: 87
[2024-11-03 08:04:23,875 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 08:04:23,878 INFO  L432           NwaCegarLoop]: 135 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, 135 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
[2024-11-03 08:04:23,879 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 08:04:23,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-03 08:04:23,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-03 08:04:23,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 08:04:23,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 135 transitions.
[2024-11-03 08:04:23,914 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 135 transitions. Word has length 183
[2024-11-03 08:04:23,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:04:23,915 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 135 transitions.
[2024-11-03 08:04:23,915 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-03 08:04:23,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions.
[2024-11-03 08:04:23,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2024-11-03 08:04:23,917 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:04:23,918 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:04:23,929 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-03 08:04:24,121 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
[2024-11-03 08:04:24,122 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:04:24,122 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:04:24,123 INFO  L85        PathProgramCache]: Analyzing trace with hash -1302927532, now seen corresponding path program 1 times
[2024-11-03 08:04:24,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:04:24,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145541304]
[2024-11-03 08:04:24,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:04:24,123 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
[2024-11-03 08:04:24,123 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:04:24,126 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)
[2024-11-03 08:04:24,126 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
[2024-11-03 08:04:24,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:04:24,424 INFO  L255         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 08:04:24,434 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:04:25,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 08:04:25,364 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:04:25,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 08:04:25,605 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:04:25,605 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145541304]
[2024-11-03 08:04:25,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [145541304] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 08:04:25,605 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 08:04:25,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 08:04:25,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338581875]
[2024-11-03 08:04:25,606 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 08:04:25,608 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 08:04:25,608 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:04:25,609 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 08:04:25,609 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-03 08:04:25,610 INFO  L87              Difference]: Start difference. First operand 87 states and 135 transitions. Second operand  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 08:04:27,808 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:04:27,809 INFO  L93              Difference]: Finished difference Result 364 states and 564 transitions.
[2024-11-03 08:04:27,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 08:04:27,823 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 183
[2024-11-03 08:04:27,824 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:04:27,828 INFO  L225             Difference]: With dead ends: 364
[2024-11-03 08:04:27,828 INFO  L226             Difference]: Without dead ends: 280
[2024-11-03 08:04:27,829 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156
[2024-11-03 08:04:27,829 INFO  L432           NwaCegarLoop]: 140 mSDtfsCounter, 358 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-03 08:04:27,830 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 695 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-03 08:04:27,831 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 280 states.
[2024-11-03 08:04:27,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 243.
[2024-11-03 08:04:27,872 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 243 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 155 states have internal predecessors, (214), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84)
[2024-11-03 08:04:27,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 382 transitions.
[2024-11-03 08:04:27,875 INFO  L78                 Accepts]: Start accepts. Automaton has 243 states and 382 transitions. Word has length 183
[2024-11-03 08:04:27,875 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:04:27,875 INFO  L471      AbstractCegarLoop]: Abstraction has 243 states and 382 transitions.
[2024-11-03 08:04:27,876 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 08:04:27,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 243 states and 382 transitions.
[2024-11-03 08:04:27,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-11-03 08:04:27,877 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:04:27,877 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:04:27,888 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
[2024-11-03 08:04:28,078 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
[2024-11-03 08:04:28,078 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:04:28,079 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:04:28,079 INFO  L85        PathProgramCache]: Analyzing trace with hash 1424499819, now seen corresponding path program 1 times
[2024-11-03 08:04:28,079 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:04:28,079 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087838055]
[2024-11-03 08:04:28,079 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:04:28,080 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
[2024-11-03 08:04:28,080 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:04:28,081 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)
[2024-11-03 08:04:28,082 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
[2024-11-03 08:04:28,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:04:28,343 INFO  L255         TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 08:04:28,347 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:04:28,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 08:04:28,605 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:04:28,788 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 08:04:28,789 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:04:28,789 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087838055]
[2024-11-03 08:04:28,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1087838055] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 08:04:28,789 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 08:04:28,789 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2024-11-03 08:04:28,789 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979566879]
[2024-11-03 08:04:28,789 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 08:04:28,790 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 08:04:28,790 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:04:28,791 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 08:04:28,791 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 08:04:28,791 INFO  L87              Difference]: Start difference. First operand 243 states and 382 transitions. Second operand  has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 08:04:30,275 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:04:30,276 INFO  L93              Difference]: Finished difference Result 724 states and 1126 transitions.
[2024-11-03 08:04:30,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 08:04:30,276 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 184
[2024-11-03 08:04:30,277 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:04:30,280 INFO  L225             Difference]: With dead ends: 724
[2024-11-03 08:04:30,280 INFO  L226             Difference]: Without dead ends: 535
[2024-11-03 08:04:30,281 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2024-11-03 08:04:30,282 INFO  L432           NwaCegarLoop]: 152 mSDtfsCounter, 285 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-03 08:04:30,282 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 692 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-03 08:04:30,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 535 states.
[2024-11-03 08:04:30,323 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 401.
[2024-11-03 08:04:30,324 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 401 states, 255 states have (on average 1.3254901960784313) internal successors, (338), 255 states have internal predecessors, (338), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140)
[2024-11-03 08:04:30,328 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 618 transitions.
[2024-11-03 08:04:30,329 INFO  L78                 Accepts]: Start accepts. Automaton has 401 states and 618 transitions. Word has length 184
[2024-11-03 08:04:30,330 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:04:30,330 INFO  L471      AbstractCegarLoop]: Abstraction has 401 states and 618 transitions.
[2024-11-03 08:04:30,330 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 08:04:30,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 401 states and 618 transitions.
[2024-11-03 08:04:30,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-11-03 08:04:30,335 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:04:30,335 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:04:30,347 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
[2024-11-03 08:04:30,535 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
[2024-11-03 08:04:30,536 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:04:30,538 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:04:30,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -1590603799, now seen corresponding path program 1 times
[2024-11-03 08:04:30,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:04:30,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773571639]
[2024-11-03 08:04:30,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:04:30,539 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
[2024-11-03 08:04:30,539 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:04:30,540 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)
[2024-11-03 08:04:30,541 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
[2024-11-03 08:04:30,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:04:30,811 INFO  L255         TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-03 08:04:30,820 INFO  L278         TraceCheckSpWp]: Computing forward predicates...