/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-92.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 20:01:29,337 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 20:01:29,399 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 20:01:29,403 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 20:01:29,403 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 20:01:29,427 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 20:01:29,427 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 20:01:29,428 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 20:01:29,428 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 20:01:29,431 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 20:01:29,431 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 20:01:29,431 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 20:01:29,432 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 20:01:29,432 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 20:01:29,432 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 20:01:29,432 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 20:01:29,432 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 20:01:29,433 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 20:01:29,433 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 20:01:29,433 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 20:01:29,433 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 20:01:29,439 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 20:01:29,440 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 20:01:29,441 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 20:01:29,441 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 20:01:29,441 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 20:01:29,441 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 20:01:29,441 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 20:01:29,441 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:01:29,442 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 20:01:29,442 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 20:01:29,442 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 20:01:29,442 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 20:01:29,442 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 20:01:29,442 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 20:01:29,443 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 20:01:29,443 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 20:01:29,443 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 20:01:29,443 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 20:01:29,606 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 20:01:29,636 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 20:01:29,638 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 20:01:29,639 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 20:01:29,639 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 20:01:29,640 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-92.i
[2024-11-05 20:01:31,083 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 20:01:31,269 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 20:01:31,269 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-92.i
[2024-11-05 20:01:31,277 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f685055d/fbcf7c665e0b44d88b03215d90dd6e45/FLAG27865f870
[2024-11-05 20:01:31,295 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f685055d/fbcf7c665e0b44d88b03215d90dd6e45
[2024-11-05 20:01:31,298 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 20:01:31,299 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 20:01:31,301 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 20:01:31,301 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 20:01:31,306 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 20:01:31,307 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,308 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7b028a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31, skipping insertion in model container
[2024-11-05 20:01:31,308 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,343 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 20:01:31,484 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-92.i[915,928]
[2024-11-05 20:01:31,527 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:01:31,539 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 20:01:31,550 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-92.i[915,928]
[2024-11-05 20:01:31,562 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:01:31,576 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 20:01:31,578 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31 WrapperNode
[2024-11-05 20:01:31,578 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 20:01:31,579 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 20:01:31,579 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 20:01:31,579 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 20:01:31,584 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,593 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,614 INFO  L138                Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108
[2024-11-05 20:01:31,615 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 20:01:31,615 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 20:01:31,616 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 20:01:31,616 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 20:01:31,628 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,629 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,631 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,641 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 20:01:31,641 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,642 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,648 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,651 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,656 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,657 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,663 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 20:01:31,664 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 20:01:31,664 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 20:01:31,664 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 20:01:31,665 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (1/1) ...
[2024-11-05 20:01:31,677 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:01:31,686 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 20:01:31,700 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 20:01:31,702 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 20:01:31,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 20:01:31,719 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 20:01:31,720 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 20:01:31,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 20:01:31,720 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 20:01:31,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 20:01:31,775 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 20:01:31,777 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 20:01:32,431 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-05 20:01:32,432 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 20:01:32,441 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 20:01:32,441 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 20:01:32,442 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:01:32 BoogieIcfgContainer
[2024-11-05 20:01:32,442 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 20:01:32,444 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 20:01:32,444 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 20:01:32,448 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 20:01:32,448 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:01:31" (1/3) ...
[2024-11-05 20:01:32,449 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cffcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:01:32, skipping insertion in model container
[2024-11-05 20:01:32,449 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:01:31" (2/3) ...
[2024-11-05 20:01:32,449 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cffcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:01:32, skipping insertion in model container
[2024-11-05 20:01:32,449 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:01:32" (3/3) ...
[2024-11-05 20:01:32,450 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-92.i
[2024-11-05 20:01:32,463 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 20:01:32,464 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 20:01:32,521 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 20:01:32,526 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;@289cea1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 20:01:32,526 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 20:01:32,529 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 52 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-05 20:01:32,537 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-05 20:01:32,537 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:01:32,537 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:32,538 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:01:32,541 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:01:32,541 INFO  L85        PathProgramCache]: Analyzing trace with hash 1811266942, now seen corresponding path program 1 times
[2024-11-05 20:01:32,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:01:32,548 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583423171]
[2024-11-05 20:01:32,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:01:32,550 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 20:01:32,550 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:01:32,553 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 20:01:32,558 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 20:01:32,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:01:32,728 INFO  L255         TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 20:01:32,737 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:01:32,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked.
[2024-11-05 20:01:32,774 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:01:32,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-05 20:01:32,876 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:01:32,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583423171]
[2024-11-05 20:01:32,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1583423171] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 20:01:32,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 20:01:32,877 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 20:01:32,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054474173]
[2024-11-05 20:01:32,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 20:01:32,883 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 20:01:32,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:01:32,901 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 20:01:32,902 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 20:01:32,904 INFO  L87              Difference]: Start difference. First operand  has 52 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-05 20:01:32,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:01:32,920 INFO  L93              Difference]: Finished difference Result 97 states and 163 transitions.
[2024-11-05 20:01:32,921 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 20:01:32,922 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108
[2024-11-05 20:01:32,922 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:01:32,928 INFO  L225             Difference]: With dead ends: 97
[2024-11-05 20:01:32,928 INFO  L226             Difference]: Without dead ends: 48
[2024-11-05 20:01:32,931 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 20:01:32,935 INFO  L432           NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 20:01:32,936 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 20:01:32,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-05 20:01:32,985 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-05 20:01:32,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-05 20:01:32,989 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions.
[2024-11-05 20:01:32,990 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 108
[2024-11-05 20:01:32,991 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:01:32,991 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 69 transitions.
[2024-11-05 20:01:32,991 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-05 20:01:32,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions.
[2024-11-05 20:01:32,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-05 20:01:32,995 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:01:32,996 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:33,001 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 20:01:33,196 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 20:01:33,200 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:01:33,201 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:01:33,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 1752934588, now seen corresponding path program 1 times
[2024-11-05 20:01:33,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:01:33,201 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240302070]
[2024-11-05 20:01:33,201 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:01:33,201 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 20:01:33,201 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:01:33,204 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 20:01:33,205 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 20:01:33,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:01:33,307 INFO  L255         TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 20:01:33,311 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:01:33,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-05 20:01:33,329 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:01:33,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-05 20:01:33,397 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:01:33,397 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240302070]
[2024-11-05 20:01:33,397 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1240302070] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 20:01:33,397 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 20:01:33,397 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-05 20:01:33,397 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353155171]
[2024-11-05 20:01:33,398 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 20:01:33,399 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-05 20:01:33,399 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:01:33,402 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-05 20:01:33,402 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 20:01:33,402 INFO  L87              Difference]: Start difference. First operand 48 states and 69 transitions. Second operand  has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-05 20:01:33,643 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:01:33,643 INFO  L93              Difference]: Finished difference Result 129 states and 186 transitions.
[2024-11-05 20:01:33,643 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 20:01:33,644 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108
[2024-11-05 20:01:33,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:01:33,645 INFO  L225             Difference]: With dead ends: 129
[2024-11-05 20:01:33,645 INFO  L226             Difference]: Without dead ends: 84
[2024-11-05 20:01:33,646 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 20:01:33,647 INFO  L432           NwaCegarLoop]: 111 mSDtfsCounter, 48 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-05 20:01:33,647 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 171 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-05 20:01:33,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-05 20:01:33,658 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81.
[2024-11-05 20:01:33,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 48 states have (on average 1.1875) internal successors, (57), 49 states have internal predecessors, (57), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-05 20:01:33,663 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions.
[2024-11-05 20:01:33,663 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 108
[2024-11-05 20:01:33,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:01:33,664 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 117 transitions.
[2024-11-05 20:01:33,664 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-05 20:01:33,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions.
[2024-11-05 20:01:33,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-05 20:01:33,665 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:01:33,665 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:33,674 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-05 20:01:33,869 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 20:01:33,870 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:01:33,870 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:01:33,871 INFO  L85        PathProgramCache]: Analyzing trace with hash -767025346, now seen corresponding path program 1 times
[2024-11-05 20:01:33,871 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:01:33,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62169404]
[2024-11-05 20:01:33,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:01:33,871 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 20:01:33,871 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:01:33,875 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 20:01:33,876 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 20:01:33,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:01:34,003 INFO  L255         TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-05 20:01:34,009 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:01:45,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 256 proven. 162 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked.
[2024-11-05 20:01:45,841 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:02:26,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2024-11-05 20:02:26,090 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:02:26,090 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62169404]
[2024-11-05 20:02:26,090 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [62169404] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 20:02:26,090 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 20:02:26,090 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 10] total 31
[2024-11-05 20:02:26,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317313499]
[2024-11-05 20:02:26,090 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 20:02:26,091 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2024-11-05 20:02:26,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:02:26,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2024-11-05 20:02:26,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=735, Unknown=0, NotChecked=0, Total=930
[2024-11-05 20:02:26,100 INFO  L87              Difference]: Start difference. First operand 81 states and 117 transitions. Second operand  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 29 states have internal predecessors, (72), 8 states have call successors, (34), 7 states have call predecessors, (34), 9 states have return successors, (34), 7 states have call predecessors, (34), 8 states have call successors, (34)
[2024-11-05 20:03:17,630 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:03:17,630 INFO  L93              Difference]: Finished difference Result 167 states and 198 transitions.
[2024-11-05 20:03:17,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-05 20:03:17,637 INFO  L78                 Accepts]: Start accepts. Automaton has  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 29 states have internal predecessors, (72), 8 states have call successors, (34), 7 states have call predecessors, (34), 9 states have return successors, (34), 7 states have call predecessors, (34), 8 states have call successors, (34) Word has length 108
[2024-11-05 20:03:17,638 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:03:17,641 INFO  L225             Difference]: With dead ends: 167
[2024-11-05 20:03:17,641 INFO  L226             Difference]: Without dead ends: 165
[2024-11-05 20:03:17,643 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 59.5s TimeCoverageRelationStatistics Valid=563, Invalid=1987, Unknown=0, NotChecked=0, Total=2550
[2024-11-05 20:03:17,644 INFO  L432           NwaCegarLoop]: 51 mSDtfsCounter, 154 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time
[2024-11-05 20:03:17,645 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 349 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time]
[2024-11-05 20:03:17,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 165 states.
[2024-11-05 20:03:17,660 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 136.
[2024-11-05 20:03:17,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 136 states, 91 states have (on average 1.120879120879121) internal successors, (102), 92 states have internal predecessors, (102), 30 states have call successors, (30), 14 states have call predecessors, (30), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-05 20:03:17,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions.
[2024-11-05 20:03:17,662 INFO  L78                 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 108
[2024-11-05 20:03:17,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:03:17,662 INFO  L471      AbstractCegarLoop]: Abstraction has 136 states and 162 transitions.
[2024-11-05 20:03:17,662 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 29 states have internal predecessors, (72), 8 states have call successors, (34), 7 states have call predecessors, (34), 9 states have return successors, (34), 7 states have call predecessors, (34), 8 states have call successors, (34)
[2024-11-05 20:03:17,663 INFO  L276                IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions.
[2024-11-05 20:03:17,663 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-05 20:03:17,663 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:03:17,664 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:17,672 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 20:03:17,864 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 20:03:17,865 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:03:17,865 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:03:17,865 INFO  L85        PathProgramCache]: Analyzing trace with hash -86966976, now seen corresponding path program 1 times
[2024-11-05 20:03:17,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:03:17,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460342263]
[2024-11-05 20:03:17,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:03:17,866 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 20:03:17,866 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:03:17,871 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 20:03:17,871 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 20:03:17,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:03:17,970 INFO  L255         TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 35 conjuncts are in the unsatisfiable core
[2024-11-05 20:03:17,978 INFO  L278         TraceCheckSpWp]: Computing forward predicates...