/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-34.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:00:06,609 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:00:06,655 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 00:00:06,659 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:00:06,659 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:00:06,678 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:00:06,678 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:00:06,678 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:00:06,679 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:00:06,679 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:00:06,683 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:00:06,684 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:00:06,684 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:00:06,684 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:00:06,685 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:00:06,685 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:00:06,685 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:00:06,685 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:00:06,686 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:00:06,686 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:00:06,686 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:00:06,690 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:00:06,691 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:00:06,691 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:00:06,691 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:00:06,692 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:00:06,692 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:00:06,692 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:00:06,692 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:00:06,693 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:00:06,693 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:00:06,693 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:00:06,693 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:00:06,693 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:00:06,694 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:00:06,694 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:00:06,701 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:00:06,702 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:00:06,702 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:00:06,702 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:00:06,702 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:00:06,703 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:00:06,703 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:00:06,703 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:00:06,703 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:00:06,922 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:00:06,946 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:00:06,949 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:00:06,950 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:00:06,951 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:00:06,951 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-34.i
[2024-11-06 00:00:08,959 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:00:10,511 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:00:10,511 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-34.i
[2024-11-06 00:00:10,529 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabf35178/bcf42775bb9846e2a877e643fd4b0264/FLAGaa36d8180
[2024-11-06 00:00:10,553 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabf35178/bcf42775bb9846e2a877e643fd4b0264
[2024-11-06 00:00:10,557 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:00:10,559 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:00:10,561 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:00:10,561 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:00:10,567 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:00:10,567 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:00:10" (1/1) ...
[2024-11-06 00:00:10,568 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99f3853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:10, skipping insertion in model container
[2024-11-06 00:00:10,568 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:00:10" (1/1) ...
[2024-11-06 00:00:10,604 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:00:10,811 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_amount50_file-34.i[915,928]
[2024-11-06 00:00:10,892 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:00:10,926 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:00:10,939 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_amount50_file-34.i[915,928]
[2024-11-06 00:00:10,973 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:00:11,011 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:00:11,012 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11 WrapperNode
[2024-11-06 00:00:11,012 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:00:11,013 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:00:11,014 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:00:11,014 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:00:11,019 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,034 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,076 INFO  L138                Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124
[2024-11-06 00:00:11,077 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:00:11,077 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:00:11,077 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:00:11,077 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:00:11,088 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,088 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,098 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,131 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].
[2024-11-06 00:00:11,131 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,135 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,145 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,158 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,160 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,168 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,178 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:00:11,179 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:00:11,179 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:00:11,179 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:00:11,180 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (1/1) ...
[2024-11-06 00:00:11,189 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:00:11,200 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:00:11,214 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)
[2024-11-06 00:00:11,220 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
[2024-11-06 00:00:11,238 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:00:11,239 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:00:11,239 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 00:00:11,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 00:00:11,239 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:00:11,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:00:11,325 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:00:11,327 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:00:11,751 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-06 00:00:11,752 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:00:11,776 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:00:11,780 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 00:00:11,781 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:00:11 BoogieIcfgContainer
[2024-11-06 00:00:11,781 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:00:11,783 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:00:11,788 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:00:11,791 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:00:11,794 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:00:10" (1/3) ...
[2024-11-06 00:00:11,795 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67225c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:00:11, skipping insertion in model container
[2024-11-06 00:00:11,795 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:00:11" (2/3) ...
[2024-11-06 00:00:11,795 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67225c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:00:11, skipping insertion in model container
[2024-11-06 00:00:11,796 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:00:11" (3/3) ...
[2024-11-06 00:00:11,797 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-34.i
[2024-11-06 00:00:11,872 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:00:11,873 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:00:11,992 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:00:12,015 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;@78e162d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:00:12,016 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:00:12,022 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 52 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-06 00:00:12,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-11-06 00:00:12,032 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:00:12,036 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:00:12,037 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:00:12,047 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:00:12,047 INFO  L85        PathProgramCache]: Analyzing trace with hash 945974761, now seen corresponding path program 1 times
[2024-11-06 00:00:12,068 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:00:12,069 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190057490]
[2024-11-06 00:00:12,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:00:12,069 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
[2024-11-06 00:00:12,070 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:00:12,073 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)
[2024-11-06 00:00:12,074 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
[2024-11-06 00:00:12,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:00:12,397 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 00:00:12,408 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:00:12,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked.
[2024-11-06 00:00:12,473 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:00:12,474 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:00:12,474 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190057490]
[2024-11-06 00:00:12,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [190057490] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:00:12,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:00:12,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 00:00:12,484 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508475624]
[2024-11-06 00:00:12,485 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:00:12,498 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 00:00:12,499 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:00:12,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 00:00:12,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:00:12,534 INFO  L87              Difference]: Start difference. First operand  has 52 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-06 00:00:12,566 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:00:12,568 INFO  L93              Difference]: Finished difference Result 97 states and 163 transitions.
[2024-11-06 00:00:12,570 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 00:00:12,571 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90
[2024-11-06 00:00:12,571 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:00:12,582 INFO  L225             Difference]: With dead ends: 97
[2024-11-06 00:00:12,583 INFO  L226             Difference]: Without dead ends: 48
[2024-11-06 00:00:12,587 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:00:12,593 INFO  L432           NwaCegarLoop]: 71 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, 71 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
[2024-11-06 00:00:12,595 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 00:00:12,608 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-06 00:00:12,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-06 00:00:12,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-06 00:00:12,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions.
[2024-11-06 00:00:12,640 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 90
[2024-11-06 00:00:12,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:00:12,641 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 71 transitions.
[2024-11-06 00:00:12,641 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-06 00:00:12,641 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions.
[2024-11-06 00:00:12,646 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-11-06 00:00:12,646 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:00:12,646 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:00:12,656 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
[2024-11-06 00:00:12,850 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
[2024-11-06 00:00:12,851 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:00:12,852 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:00:12,852 INFO  L85        PathProgramCache]: Analyzing trace with hash 2128279915, now seen corresponding path program 1 times
[2024-11-06 00:00:12,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:00:12,852 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423718854]
[2024-11-06 00:00:12,853 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:00:12,853 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
[2024-11-06 00:00:12,853 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:00:12,859 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)
[2024-11-06 00:00:12,869 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
[2024-11-06 00:00:13,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:00:13,014 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 00:00:13,025 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:00:13,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked.
[2024-11-06 00:00:13,207 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:00:13,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.
[2024-11-06 00:00:13,428 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:00:13,428 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423718854]
[2024-11-06 00:00:13,428 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423718854] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 00:00:13,429 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:00:13,429 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-06 00:00:13,429 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071903922]
[2024-11-06 00:00:13,429 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:00:13,430 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 00:00:13,432 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:00:13,433 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 00:00:13,434 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-06 00:00:13,434 INFO  L87              Difference]: Start difference. First operand 48 states and 71 transitions. Second operand  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 00:00:13,846 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:00:13,847 INFO  L93              Difference]: Finished difference Result 150 states and 217 transitions.
[2024-11-06 00:00:13,847 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-06 00:00:13,847 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 90
[2024-11-06 00:00:13,848 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:00:13,849 INFO  L225             Difference]: With dead ends: 150
[2024-11-06 00:00:13,849 INFO  L226             Difference]: Without dead ends: 105
[2024-11-06 00:00:13,850 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2024-11-06 00:00:13,851 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 186 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 00:00:13,851 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 226 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 00:00:13,852 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-11-06 00:00:13,884 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 99.
[2024-11-06 00:00:13,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:00:13,886 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions.
[2024-11-06 00:00:13,886 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 90
[2024-11-06 00:00:13,887 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:00:13,887 INFO  L471      AbstractCegarLoop]: Abstraction has 99 states and 143 transitions.
[2024-11-06 00:00:13,887 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)
[2024-11-06 00:00:13,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions.
[2024-11-06 00:00:13,888 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-11-06 00:00:13,888 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:00:13,888 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:00:13,896 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 00:00:14,092 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
[2024-11-06 00:00:14,093 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:00:14,094 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:00:14,094 INFO  L85        PathProgramCache]: Analyzing trace with hash -1908521943, now seen corresponding path program 1 times
[2024-11-06 00:00:14,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:00:14,094 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605797072]
[2024-11-06 00:00:14,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:00:14,095 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
[2024-11-06 00:00:14,095 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:00:14,098 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)
[2024-11-06 00:00:14,100 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
[2024-11-06 00:00:14,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:00:14,240 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 00:00:14,243 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:00:14,455 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-06 00:00:14,455 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:00:14,455 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:00:14,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605797072]
[2024-11-06 00:00:14,455 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [605797072] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:00:14,455 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:00:14,456 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 00:00:14,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681359795]
[2024-11-06 00:00:14,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:00:14,456 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 00:00:14,456 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:00:14,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 00:00:14,457 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 00:00:14,461 INFO  L87              Difference]: Start difference. First operand 99 states and 143 transitions. Second operand  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-06 00:00:14,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:00:14,713 INFO  L93              Difference]: Finished difference Result 216 states and 311 transitions.
[2024-11-06 00:00:14,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 00:00:14,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 90
[2024-11-06 00:00:14,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:00:14,729 INFO  L225             Difference]: With dead ends: 216
[2024-11-06 00:00:14,729 INFO  L226             Difference]: Without dead ends: 120
[2024-11-06 00:00:14,730 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-06 00:00:14,735 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 68 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-06 00:00:14,735 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 214 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-06 00:00:14,736 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2024-11-06 00:00:14,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 101.
[2024-11-06 00:00:14,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 70 states have (on average 1.3) internal successors, (91), 70 states have internal predecessors, (91), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-06 00:00:14,755 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions.
[2024-11-06 00:00:14,755 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 90
[2024-11-06 00:00:14,755 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:00:14,756 INFO  L471      AbstractCegarLoop]: Abstraction has 101 states and 143 transitions.
[2024-11-06 00:00:14,756 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-06 00:00:14,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions.
[2024-11-06 00:00:14,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-11-06 00:00:14,757 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:00:14,757 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:00:14,765 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
[2024-11-06 00:00:14,958 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
[2024-11-06 00:00:14,958 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:00:14,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:00:14,960 INFO  L85        PathProgramCache]: Analyzing trace with hash -1568566816, now seen corresponding path program 1 times
[2024-11-06 00:00:14,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:00:14,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710944911]
[2024-11-06 00:00:14,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:00:14,961 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
[2024-11-06 00:00:14,962 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:00:14,970 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)
[2024-11-06 00:00:14,974 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
[2024-11-06 00:00:15,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:00:15,225 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 00:00:15,231 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:00:15,900 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-06 00:00:15,901 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:00:15,901 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:00:15,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710944911]
[2024-11-06 00:00:15,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [710944911] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:00:15,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:00:15,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-06 00:00:15,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861144845]
[2024-11-06 00:00:15,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:00:15,902 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 00:00:15,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:00:15,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 00:00:15,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-06 00:00:15,904 INFO  L87              Difference]: Start difference. First operand 101 states and 143 transitions. Second operand  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-06 00:00:16,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:00:16,216 INFO  L93              Difference]: Finished difference Result 336 states and 477 transitions.
[2024-11-06 00:00:16,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 00:00:16,217 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91
[2024-11-06 00:00:16,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:00:16,221 INFO  L225             Difference]: With dead ends: 336
[2024-11-06 00:00:16,222 INFO  L226             Difference]: Without dead ends: 238
[2024-11-06 00:00:16,223 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2024-11-06 00:00:16,224 INFO  L432           NwaCegarLoop]: 107 mSDtfsCounter, 80 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-06 00:00:16,224 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 267 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-06 00:00:16,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 238 states.
[2024-11-06 00:00:16,251 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 193.
[2024-11-06 00:00:16,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 193 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 132 states have internal predecessors, (168), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-06 00:00:16,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 272 transitions.
[2024-11-06 00:00:16,255 INFO  L78                 Accepts]: Start accepts. Automaton has 193 states and 272 transitions. Word has length 91
[2024-11-06 00:00:16,255 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:00:16,255 INFO  L471      AbstractCegarLoop]: Abstraction has 193 states and 272 transitions.
[2024-11-06 00:00:16,256 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-06 00:00:16,256 INFO  L276                IsEmpty]: Start isEmpty. Operand 193 states and 272 transitions.
[2024-11-06 00:00:16,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-06 00:00:16,257 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:00:16,257 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:00:16,268 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 (5)] Ended with exit code 0
[2024-11-06 00:00:16,461 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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
[2024-11-06 00:00:16,462 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:00:16,462 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:00:16,463 INFO  L85        PathProgramCache]: Analyzing trace with hash -150746959, now seen corresponding path program 1 times
[2024-11-06 00:00:16,463 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:00:16,463 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648814947]
[2024-11-06 00:00:16,463 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:00:16,464 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
[2024-11-06 00:00:16,464 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:00:16,468 INFO  L229       MonitoredProcess]: Starting monitored process 6 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)
[2024-11-06 00:00:16,470 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 (6)] Waiting until timeout for monitored process
[2024-11-06 00:00:16,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:00:16,595 INFO  L255         TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 36 conjuncts are in the unsatisfiable core
[2024-11-06 00:00:16,600 INFO  L278         TraceCheckSpWp]: Computing forward predicates...