/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_amount25_file-81.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 20:00:14,586 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 20:00:14,661 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 20:00:14,665 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 20:00:14,666 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 20:00:14,695 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 20:00:14,695 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 20:00:14,696 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 20:00:14,697 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 20:00:14,698 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 20:00:14,699 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 20:00:14,699 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 20:00:14,700 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 20:00:14,700 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 20:00:14,703 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 20:00:14,703 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 20:00:14,704 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 20:00:14,704 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 20:00:14,704 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 20:00:14,704 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 20:00:14,705 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 20:00:14,705 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 20:00:14,706 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 20:00:14,706 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 20:00:14,706 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 20:00:14,706 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 20:00:14,707 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 20:00:14,707 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 20:00:14,707 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 20:00:14,707 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 20:00:14,708 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 20:00:14,708 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 20:00:14,708 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 20:00:14,708 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 20:00:14,709 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:00:14,709 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 20:00:14,709 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 20:00:14,709 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 20:00:14,710 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 20:00:14,710 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 20:00:14,710 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 20:00:14,711 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 20:00:14,711 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 20:00:14,711 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 20:00:14,711 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 20:00:14,947 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 20:00:14,969 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 20:00:14,972 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 20:00:14,973 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 20:00:14,974 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 20:00:14,975 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-81.i
[2024-11-05 20:00:16,477 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 20:00:16,686 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 20:00:16,687 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-81.i
[2024-11-05 20:00:16,695 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2036a6c9b/26ba7de6c7c444de95cd49bc8e563155/FLAG1455a775b
[2024-11-05 20:00:16,710 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2036a6c9b/26ba7de6c7c444de95cd49bc8e563155
[2024-11-05 20:00:16,712 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 20:00:16,713 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 20:00:16,714 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 20:00:16,714 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 20:00:16,718 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 20:00:16,719 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:00:16" (1/1) ...
[2024-11-05 20:00:16,719 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c115755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:16, skipping insertion in model container
[2024-11-05 20:00:16,720 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:00:16" (1/1) ...
[2024-11-05 20:00:16,747 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 20:00:16,922 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_amount25_file-81.i[915,928]
[2024-11-05 20:00:16,966 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:00:16,980 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 20:00:16,991 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_amount25_file-81.i[915,928]
[2024-11-05 20:00:17,012 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:00:17,035 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 20:00:17,038 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17 WrapperNode
[2024-11-05 20:00:17,038 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 20:00:17,039 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 20:00:17,039 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 20:00:17,039 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 20:00:17,046 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,057 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,084 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115
[2024-11-05 20:00:17,084 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 20:00:17,085 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 20:00:17,085 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 20:00:17,085 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 20:00:17,095 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,095 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,103 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,122 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 20:00:17,122 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,122 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,134 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,141 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,146 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,148 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,152 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 20:00:17,153 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 20:00:17,153 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 20:00:17,153 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 20:00:17,154 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (1/1) ...
[2024-11-05 20:00:17,160 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:00:17,170 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 20:00:17,186 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 20:00:17,196 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 20:00:17,226 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 20:00:17,226 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 20:00:17,227 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 20:00:17,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 20:00:17,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 20:00:17,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 20:00:17,302 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 20:00:17,303 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 20:00:18,838 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-05 20:00:18,839 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 20:00:18,851 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 20:00:18,851 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 20:00:18,852 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:00:18 BoogieIcfgContainer
[2024-11-05 20:00:18,852 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 20:00:18,854 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 20:00:18,854 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 20:00:18,858 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 20:00:18,858 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:00:16" (1/3) ...
[2024-11-05 20:00:18,859 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a566e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:00:18, skipping insertion in model container
[2024-11-05 20:00:18,859 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:17" (2/3) ...
[2024-11-05 20:00:18,859 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a566e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:00:18, skipping insertion in model container
[2024-11-05 20:00:18,859 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:00:18" (3/3) ...
[2024-11-05 20:00:18,861 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-81.i
[2024-11-05 20:00:18,875 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 20:00:18,875 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 20:00:18,927 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 20:00:18,933 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;@6f25565e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 20:00:18,933 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 20:00:18,938 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 20:00:18,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-05 20:00:18,950 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:00:18,951 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:18,952 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:00:18,958 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:00:18,959 INFO  L85        PathProgramCache]: Analyzing trace with hash -1169417548, now seen corresponding path program 1 times
[2024-11-05 20:00:18,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:00:18,968 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051886080]
[2024-11-05 20:00:18,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:00:18,971 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 20:00:18,972 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:00:18,975 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 20:00:18,976 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 20:00:19,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:00:19,314 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 20:00:19,328 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:00:19,930 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 20:00:19,930 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:00:20,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 20:00:20,254 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:00:20,254 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051886080]
[2024-11-05 20:00:20,255 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2051886080] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 20:00:20,255 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 20:00:20,255 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-05 20:00:20,257 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421389615]
[2024-11-05 20:00:20,258 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 20:00:20,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-05 20:00:20,263 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:00:20,284 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-05 20:00:20,285 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-05 20:00:20,288 INFO  L87              Difference]: Start difference. First operand  has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-05 20:00:23,158 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:00:23,159 INFO  L93              Difference]: Finished difference Result 155 states and 267 transitions.
[2024-11-05 20:00:23,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 20:00:23,176 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 105
[2024-11-05 20:00:23,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:00:23,183 INFO  L225             Difference]: With dead ends: 155
[2024-11-05 20:00:23,184 INFO  L226             Difference]: Without dead ends: 104
[2024-11-05 20:00:23,187 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-05 20:00:23,189 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 91 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-11-05 20:00:23,190 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 305 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-11-05 20:00:23,202 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-11-05 20:00:23,237 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95.
[2024-11-05 20:00:23,238 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-05 20:00:23,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 139 transitions.
[2024-11-05 20:00:23,245 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 139 transitions. Word has length 105
[2024-11-05 20:00:23,246 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:00:23,246 INFO  L471      AbstractCegarLoop]: Abstraction has 95 states and 139 transitions.
[2024-11-05 20:00:23,246 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-05 20:00:23,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions.
[2024-11-05 20:00:23,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-05 20:00:23,249 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:00:23,249 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:23,261 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-05 20:00:23,453 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 20:00:23,454 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:00:23,455 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:00:23,455 INFO  L85        PathProgramCache]: Analyzing trace with hash -1562444558, now seen corresponding path program 1 times
[2024-11-05 20:00:23,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:00:23,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512087228]
[2024-11-05 20:00:23,456 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:00:23,456 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 20:00:23,456 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:00:23,458 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 20:00:23,459 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 20:00:23,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:00:23,656 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-05 20:00:23,665 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:00:23,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 145 proven. 6 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked.
[2024-11-05 20:00:23,769 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:00:24,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-05 20:00:24,012 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:00:24,012 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512087228]
[2024-11-05 20:00:24,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [512087228] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 20:00:24,012 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 20:00:24,013 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-05 20:00:24,013 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417257489]
[2024-11-05 20:00:24,013 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 20:00:24,016 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-05 20:00:24,016 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:00:24,016 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-05 20:00:24,017 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-05 20:00:24,017 INFO  L87              Difference]: Start difference. First operand 95 states and 139 transitions. Second operand  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-05 20:00:26,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:00:26,313 INFO  L93              Difference]: Finished difference Result 262 states and 372 transitions.
[2024-11-05 20:00:26,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-05 20:00:26,314 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 105
[2024-11-05 20:00:26,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:00:26,317 INFO  L225             Difference]: With dead ends: 262
[2024-11-05 20:00:26,317 INFO  L226             Difference]: Without dead ends: 170
[2024-11-05 20:00:26,318 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-05 20:00:26,320 INFO  L432           NwaCegarLoop]: 49 mSDtfsCounter, 177 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-05 20:00:26,320 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 156 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-05 20:00:26,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2024-11-05 20:00:26,367 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 155.
[2024-11-05 20:00:26,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 155 states, 100 states have (on average 1.21) internal successors, (121), 100 states have internal predecessors, (121), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-05 20:00:26,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions.
[2024-11-05 20:00:26,372 INFO  L78                 Accepts]: Start accepts. Automaton has 155 states and 217 transitions. Word has length 105
[2024-11-05 20:00:26,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:00:26,373 INFO  L471      AbstractCegarLoop]: Abstraction has 155 states and 217 transitions.
[2024-11-05 20:00:26,373 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-05 20:00:26,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions.
[2024-11-05 20:00:26,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-05 20:00:26,378 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:00:26,378 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:26,394 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-05 20:00:26,579 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 20:00:26,580 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:00:26,581 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:00:26,581 INFO  L85        PathProgramCache]: Analyzing trace with hash 212562804, now seen corresponding path program 1 times
[2024-11-05 20:00:26,581 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:00:26,581 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679888878]
[2024-11-05 20:00:26,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:00:26,582 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 20:00:26,582 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:00:26,585 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 20:00:26,586 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 20:00:26,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:00:26,838 INFO  L255         TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 20:00:26,842 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:00:26,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 20:00:26,897 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:00:27,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 20:00:27,050 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:00:27,051 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679888878]
[2024-11-05 20:00:27,051 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [679888878] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 20:00:27,051 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 20:00:27,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-05 20:00:27,051 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937443237]
[2024-11-05 20:00:27,052 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 20:00:27,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-05 20:00:27,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:00:27,055 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-05 20:00:27,055 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-05 20:00:27,055 INFO  L87              Difference]: Start difference. First operand 155 states and 217 transitions. Second operand  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 20:00:28,270 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:00:28,329 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:00:28,330 INFO  L93              Difference]: Finished difference Result 254 states and 356 transitions.
[2024-11-05 20:00:28,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 20:00:28,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105
[2024-11-05 20:00:28,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:00:28,333 INFO  L225             Difference]: With dead ends: 254
[2024-11-05 20:00:28,333 INFO  L226             Difference]: Without dead ends: 155
[2024-11-05 20:00:28,337 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-05 20:00:28,338 INFO  L432           NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-05 20:00:28,338 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-05 20:00:28,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2024-11-05 20:00:28,379 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155.
[2024-11-05 20:00:28,379 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 155 states, 100 states have (on average 1.17) internal successors, (117), 100 states have internal predecessors, (117), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-05 20:00:28,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions.
[2024-11-05 20:00:28,384 INFO  L78                 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 105
[2024-11-05 20:00:28,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:00:28,384 INFO  L471      AbstractCegarLoop]: Abstraction has 155 states and 213 transitions.
[2024-11-05 20:00:28,384 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 20:00:28,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions.
[2024-11-05 20:00:28,386 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-05 20:00:28,386 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:00:28,388 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:28,399 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-05 20:00:28,588 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 20:00:28,589 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:00:28,590 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:00:28,590 INFO  L85        PathProgramCache]: Analyzing trace with hash 2060766382, now seen corresponding path program 1 times
[2024-11-05 20:00:28,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:00:28,590 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058337469]
[2024-11-05 20:00:28,590 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:00:28,591 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 20:00:28,591 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:00:28,594 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 20:00:28,595 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 20:00:28,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:00:28,835 INFO  L255         TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-05 20:00:28,841 INFO  L278         TraceCheckSpWp]: Computing forward predicates...