/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-86.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 08:32:40,932 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 08:32:40,997 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 08:32:41,003 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 08:32:41,004 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 08:32:41,036 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 08:32:41,036 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 08:32:41,037 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 08:32:41,037 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 08:32:41,037 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 08:32:41,038 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 08:32:41,038 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 08:32:41,039 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 08:32:41,039 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 08:32:41,040 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 08:32:41,041 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 08:32:41,042 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 08:32:41,044 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 08:32:41,044 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 08:32:41,044 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 08:32:41,044 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 08:32:41,045 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 08:32:41,045 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 08:32:41,045 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 08:32:41,045 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 08:32:41,046 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 08:32:41,046 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 08:32:41,046 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 08:32:41,046 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 08:32:41,047 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 08:32:41,047 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 08:32:41,047 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 08:32:41,047 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 08:32:41,047 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 08:32:41,048 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 08:32:41,048 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 08:32:41,050 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 08:32:41,050 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 08:32:41,051 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 08:32:41,052 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:41,264 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 08:32:41,288 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 08:32:41,291 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 08:32:41,292 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 08:32:41,292 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 08:32:41,293 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-86.i
[2024-11-03 08:32:42,824 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 08:32:43,012 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 08:32:43,012 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-86.i
[2024-11-03 08:32:43,019 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732a1d068/689893d1d27d4e97a436c7fa57c569bd/FLAGc6633480b
[2024-11-03 08:32:43,030 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732a1d068/689893d1d27d4e97a436c7fa57c569bd
[2024-11-03 08:32:43,032 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 08:32:43,033 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 08:32:43,034 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 08:32:43,034 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 08:32:43,039 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 08:32:43,040 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,040 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d20661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43, skipping insertion in model container
[2024-11-03 08:32:43,041 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,061 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 08:32:43,215 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-86.i[915,928]
[2024-11-03 08:32:43,244 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 08:32:43,257 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 08:32:43,267 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-86.i[915,928]
[2024-11-03 08:32:43,283 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 08:32:43,299 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 08:32:43,300 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43 WrapperNode
[2024-11-03 08:32:43,300 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 08:32:43,301 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 08:32:43,301 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 08:32:43,301 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 08:32:43,308 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,318 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,338 INFO  L138                Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102
[2024-11-03 08:32:43,339 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 08:32:43,340 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 08:32:43,340 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 08:32:43,340 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 08:32:43,349 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,349 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,352 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,364 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 08:32:43,364 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,365 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,371 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,374 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,376 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,377 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,379 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 08:32:43,380 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 08:32:43,380 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 08:32:43,380 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 08:32:43,381 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (1/1) ...
[2024-11-03 08:32:43,386 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 08:32:43,396 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 08:32:43,416 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 08:32:43,426 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 08:32:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 08:32:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 08:32:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 08:32:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 08:32:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 08:32:43,453 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 08:32:43,538 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 08:32:43,540 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 08:32:43,878 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-03 08:32:43,879 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 08:32:43,896 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 08:32:43,897 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 08:32:43,897 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:32:43 BoogieIcfgContainer
[2024-11-03 08:32:43,898 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 08:32:43,901 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 08:32:43,901 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 08:32:43,904 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 08:32:43,905 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:32:43" (1/3) ...
[2024-11-03 08:32:43,905 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a69c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:32:43, skipping insertion in model container
[2024-11-03 08:32:43,906 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:32:43" (2/3) ...
[2024-11-03 08:32:43,906 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a69c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:32:43, skipping insertion in model container
[2024-11-03 08:32:43,906 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:32:43" (3/3) ...
[2024-11-03 08:32:43,907 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-86.i
[2024-11-03 08:32:43,969 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 08:32:43,969 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 08:32:44,036 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 08:32:44,043 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;@231c3f3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 08:32:44,044 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 08:32:44,048 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 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)
[2024-11-03 08:32:44,061 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 08:32:44,062 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:32:44,062 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]
[2024-11-03 08:32:44,063 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:32:44,067 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:32:44,068 INFO  L85        PathProgramCache]: Analyzing trace with hash 1174992419, now seen corresponding path program 1 times
[2024-11-03 08:32:44,074 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:32:44,075 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033927632]
[2024-11-03 08:32:44,075 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:32:44,077 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:44,077 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:32:44,082 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 08:32:44,084 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-03 08:32:44,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:32:44,262 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 08:32:44,270 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:32:44,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked.
[2024-11-03 08:32:44,319 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:32:44,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-03 08:32:44,440 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:32:44,440 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033927632]
[2024-11-03 08:32:44,441 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2033927632] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 08:32:44,441 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 08:32:44,441 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 08:32:44,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305952995]
[2024-11-03 08:32:44,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 08:32:44,447 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 08:32:44,447 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:32:44,469 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 08:32:44,470 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 08:32:44,472 INFO  L87              Difference]: Start difference. First operand  has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 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)
[2024-11-03 08:32:44,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:32:44,500 INFO  L93              Difference]: Finished difference Result 95 states and 161 transitions.
[2024-11-03 08:32:44,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 08:32:44,503 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
[2024-11-03 08:32:44,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:32:44,510 INFO  L225             Difference]: With dead ends: 95
[2024-11-03 08:32:44,510 INFO  L226             Difference]: Without dead ends: 47
[2024-11-03 08:32:44,515 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
[2024-11-03 08:32:44,519 INFO  L432           NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 08:32:44,520 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 08:32:44,532 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-03 08:32:44,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-03 08:32:44,556 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 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)
[2024-11-03 08:32:44,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions.
[2024-11-03 08:32:44,559 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 108
[2024-11-03 08:32:44,560 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:32:44,560 INFO  L471      AbstractCegarLoop]: Abstraction has 47 states and 68 transitions.
[2024-11-03 08:32:44,560 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)
[2024-11-03 08:32:44,560 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions.
[2024-11-03 08:32:44,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 08:32:44,563 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:32:44,563 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]
[2024-11-03 08:32:44,570 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-03 08:32:44,764 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:44,764 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:32:44,765 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:32:44,765 INFO  L85        PathProgramCache]: Analyzing trace with hash 510743009, now seen corresponding path program 1 times
[2024-11-03 08:32:44,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:32:44,766 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612593146]
[2024-11-03 08:32:44,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:32:44,766 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:44,767 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:32:44,771 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 08:32:44,773 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-03 08:32:44,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:32:44,935 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 08:32:44,945 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:32:45,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-03 08:32:45,191 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:32:45,420 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked.
[2024-11-03 08:32:45,421 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:32:45,421 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612593146]
[2024-11-03 08:32:45,421 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1612593146] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 08:32:45,422 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 08:32:45,422 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 12
[2024-11-03 08:32:45,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017308917]
[2024-11-03 08:32:45,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 08:32:45,424 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 08:32:45,424 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:32:45,425 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 08:32:45,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2024-11-03 08:32:45,426 INFO  L87              Difference]: Start difference. First operand 47 states and 68 transitions. Second operand  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-03 08:32:46,190 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:32:46,190 INFO  L93              Difference]: Finished difference Result 181 states and 255 transitions.
[2024-11-03 08:32:46,193 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-11-03 08:32:46,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108
[2024-11-03 08:32:46,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:32:46,197 INFO  L225             Difference]: With dead ends: 181
[2024-11-03 08:32:46,197 INFO  L226             Difference]: Without dead ends: 137
[2024-11-03 08:32:46,200 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600
[2024-11-03 08:32:46,201 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 100 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 08:32:46,202 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 327 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 08:32:46,203 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-03 08:32:46,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 128.
[2024-11-03 08:32:46,236 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 128 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49)
[2024-11-03 08:32:46,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 180 transitions.
[2024-11-03 08:32:46,239 INFO  L78                 Accepts]: Start accepts. Automaton has 128 states and 180 transitions. Word has length 108
[2024-11-03 08:32:46,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:32:46,239 INFO  L471      AbstractCegarLoop]: Abstraction has 128 states and 180 transitions.
[2024-11-03 08:32:46,240 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-03 08:32:46,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions.
[2024-11-03 08:32:46,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 08:32:46,242 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:32:46,242 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]
[2024-11-03 08:32:46,252 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
[2024-11-03 08:32:46,446 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:46,447 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:32:46,448 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:32:46,448 INFO  L85        PathProgramCache]: Analyzing trace with hash 512590051, now seen corresponding path program 1 times
[2024-11-03 08:32:46,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:32:46,449 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539163341]
[2024-11-03 08:32:46,449 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:32:46,449 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:32:46,449 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:32:46,453 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 08:32:46,454 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-03 08:32:46,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:32:46,674 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-03 08:32:46,681 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:33:06,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 102 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked.
[2024-11-03 08:33:06,133 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:33:37,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 08:33:37,184 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:33:37,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539163341]
[2024-11-03 08:33:37,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [539163341] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 08:33:37,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 08:33:37,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [24] total 31
[2024-11-03 08:33:37,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593092304]
[2024-11-03 08:33:37,185 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 08:33:37,185 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 08:33:37,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:33:37,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 08:33:37,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930
[2024-11-03 08:33:37,187 INFO  L87              Difference]: Start difference. First operand 128 states and 180 transitions. Second operand  has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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)
[2024-11-03 08:33:45,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:33:45,416 INFO  L93              Difference]: Finished difference Result 193 states and 261 transitions.
[2024-11-03 08:33:45,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 08:33:45,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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
[2024-11-03 08:33:45,424 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:33:45,426 INFO  L225             Difference]: With dead ends: 193
[2024-11-03 08:33:45,426 INFO  L226             Difference]: Without dead ends: 191
[2024-11-03 08:33:45,427 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122
[2024-11-03 08:33:45,428 INFO  L432           NwaCegarLoop]: 57 mSDtfsCounter, 105 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-03 08:33:45,428 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 242 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-03 08:33:45,429 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-11-03 08:33:45,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 113.
[2024-11-03 08:33:45,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 72 states have internal predecessors, (84), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-03 08:33:45,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 152 transitions.
[2024-11-03 08:33:45,465 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 152 transitions. Word has length 108
[2024-11-03 08:33:45,465 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:33:45,465 INFO  L471      AbstractCegarLoop]: Abstraction has 113 states and 152 transitions.
[2024-11-03 08:33:45,466 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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)
[2024-11-03 08:33:45,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 152 transitions.
[2024-11-03 08:33:45,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 08:33:45,467 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:33:45,467 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]
[2024-11-03 08:33:45,476 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-03 08:33:45,668 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:33:45,669 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:33:45,669 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:33:45,670 INFO  L85        PathProgramCache]: Analyzing trace with hash 569848353, now seen corresponding path program 1 times
[2024-11-03 08:33:45,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:33:45,670 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816701960]
[2024-11-03 08:33:45,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:33:45,670 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:33:45,670 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:33:45,673 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 08:33:45,674 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-03 08:33:45,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:33:45,942 INFO  L255         TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-03 08:33:45,947 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:33:52,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 102 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked.
[2024-11-03 08:33:52,351 INFO  L311         TraceCheckSpWp]: Computing backward predicates...