/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-24 05:04:42,383 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-24 05:04:42,440 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-24 05:04:42,443 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-24 05:04:42,443 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-24 05:04:42,458 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-24 05:04:42,458 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-24 05:04:42,459 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-24 05:04:42,459 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-24 05:04:42,459 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-24 05:04:42,460 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-24 05:04:42,462 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-24 05:04:42,463 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-24 05:04:42,466 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-24 05:04:42,466 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-24 05:04:42,466 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-24 05:04:42,467 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-24 05:04:42,467 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-24 05:04:42,467 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-24 05:04:42,468 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-24 05:04:42,468 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-24 05:04:42,469 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-24 05:04:42,469 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-24 05:04:42,469 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-24 05:04:42,469 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-24 05:04:42,469 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-24 05:04:42,470 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-24 05:04:42,470 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-24 05:04:42,470 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-24 05:04:42,470 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-24 05:04:42,471 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 05:04:42,471 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-24 05:04:42,471 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-24 05:04:42,472 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-24 05:04:42,473 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-24 05:04:42,657 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-24 05:04:42,673 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-24 05:04:42,675 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-24 05:04:42,676 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-24 05:04:42,676 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-24 05:04:42,678 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i
[2023-12-24 05:04:43,650 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-24 05:04:43,817 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-24 05:04:43,817 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i
[2023-12-24 05:04:43,825 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc2ba66b/c48d1a75f1e4450fa0246940514c2ae8/FLAGa701827f7
[2023-12-24 05:04:43,835 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc2ba66b/c48d1a75f1e4450fa0246940514c2ae8
[2023-12-24 05:04:43,837 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-24 05:04:43,838 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-24 05:04:43,841 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-24 05:04:43,841 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-24 05:04:43,844 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-24 05:04:43,845 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:04:43" (1/1) ...
[2023-12-24 05:04:43,846 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d1d14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:43, skipping insertion in model container
[2023-12-24 05:04:43,846 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:04:43" (1/1) ...
[2023-12-24 05:04:43,882 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-24 05:04:43,988 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929]
[2023-12-24 05:04:44,052 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 05:04:44,064 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-24 05:04:44,075 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i[916,929]
[2023-12-24 05:04:44,107 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 05:04:44,124 INFO  L206         MainTranslator]: Completed translation
[2023-12-24 05:04:44,125 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44 WrapperNode
[2023-12-24 05:04:44,125 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-24 05:04:44,125 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-24 05:04:44,126 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-24 05:04:44,126 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-24 05:04:44,130 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,139 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,161 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213
[2023-12-24 05:04:44,161 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-24 05:04:44,162 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-24 05:04:44,162 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-24 05:04:44,162 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-24 05:04:44,175 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,175 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,178 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,188 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].
[2023-12-24 05:04:44,188 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,189 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,197 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,200 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,202 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,203 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,225 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-24 05:04:44,225 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-24 05:04:44,226 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-24 05:04:44,226 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-24 05:04:44,226 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (1/1) ...
[2023-12-24 05:04:44,231 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 05:04:44,239 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-24 05:04:44,249 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)
[2023-12-24 05:04:44,267 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
[2023-12-24 05:04:44,272 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-24 05:04:44,280 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-24 05:04:44,280 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-24 05:04:44,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-24 05:04:44,282 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-24 05:04:44,282 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-24 05:04:44,376 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-24 05:04:44,379 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-24 05:04:45,135 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-24 05:04:45,187 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-24 05:04:45,187 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-24 05:04:45,187 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:04:45 BoogieIcfgContainer
[2023-12-24 05:04:45,187 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-24 05:04:45,189 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-24 05:04:45,189 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-24 05:04:45,191 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-24 05:04:45,192 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 05:04:43" (1/3) ...
[2023-12-24 05:04:45,192 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4aa05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:04:45, skipping insertion in model container
[2023-12-24 05:04:45,193 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:04:44" (2/3) ...
[2023-12-24 05:04:45,193 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4aa05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:04:45, skipping insertion in model container
[2023-12-24 05:04:45,193 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:04:45" (3/3) ...
[2023-12-24 05:04:45,194 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-32.i
[2023-12-24 05:04:45,206 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-24 05:04:45,207 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-24 05:04:45,248 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-24 05:04:45,252 INFO  L357      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, mHoare=true, 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;@34b3f659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-24 05:04:45,253 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-24 05:04:45,256 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-24 05:04:45,271 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2023-12-24 05:04:45,272 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 05:04:45,272 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 05:04:45,273 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 05:04:45,276 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 05:04:45,277 INFO  L85        PathProgramCache]: Analyzing trace with hash 1243266803, now seen corresponding path program 1 times
[2023-12-24 05:04:45,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 05:04:45,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773896287]
[2023-12-24 05:04:45,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:04:45,287 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
[2023-12-24 05:04:45,287 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 05:04:45,289 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)
[2023-12-24 05:04:45,292 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
[2023-12-24 05:04:45,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:04:45,593 INFO  L262         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-24 05:04:45,608 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 05:04:45,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked.
[2023-12-24 05:04:45,646 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 05:04:45,646 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 05:04:45,646 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773896287]
[2023-12-24 05:04:45,647 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773896287] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 05:04:45,647 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 05:04:45,647 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-24 05:04:45,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781832731]
[2023-12-24 05:04:45,649 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 05:04:45,652 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-24 05:04:45,652 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 05:04:45,669 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-24 05:04:45,669 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 05:04:45,671 INFO  L87              Difference]: Start difference. First operand  has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-24 05:04:45,878 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 05:04:45,878 INFO  L93              Difference]: Finished difference Result 177 states and 327 transitions.
[2023-12-24 05:04:45,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-24 05:04:45,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 213
[2023-12-24 05:04:45,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 05:04:45,906 INFO  L225             Difference]: With dead ends: 177
[2023-12-24 05:04:45,906 INFO  L226             Difference]: Without dead ends: 88
[2023-12-24 05:04:45,909 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 05:04:45,911 INFO  L413           NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-24 05:04:45,912 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-24 05:04:45,922 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2023-12-24 05:04:45,940 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2023-12-24 05:04:45,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-24 05:04:45,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 142 transitions.
[2023-12-24 05:04:45,944 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 142 transitions. Word has length 213
[2023-12-24 05:04:45,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 05:04:45,944 INFO  L495      AbstractCegarLoop]: Abstraction has 88 states and 142 transitions.
[2023-12-24 05:04:45,945 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-24 05:04:45,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions.
[2023-12-24 05:04:45,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2023-12-24 05:04:45,948 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 05:04:45,949 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 05:04:45,959 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-24 05:04:46,156 WARN  L477      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
[2023-12-24 05:04:46,156 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 05:04:46,157 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 05:04:46,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 1775572465, now seen corresponding path program 1 times
[2023-12-24 05:04:46,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 05:04:46,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997221358]
[2023-12-24 05:04:46,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:04:46,158 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
[2023-12-24 05:04:46,159 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 05:04:46,164 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)
[2023-12-24 05:04:46,165 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
[2023-12-24 05:04:46,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:04:46,395 INFO  L262         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-24 05:04:46,401 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 05:04:46,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked.
[2023-12-24 05:04:46,868 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 05:04:47,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked.
[2023-12-24 05:04:47,148 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 05:04:47,149 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997221358]
[2023-12-24 05:04:47,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [997221358] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-24 05:04:47,149 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 05:04:47,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-24 05:04:47,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333071326]
[2023-12-24 05:04:47,149 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 05:04:47,150 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-24 05:04:47,151 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 05:04:47,151 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-24 05:04:47,151 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-24 05:04:47,152 INFO  L87              Difference]: Start difference. First operand 88 states and 142 transitions. Second operand  has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67)
[2023-12-24 05:04:47,661 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 05:04:47,661 INFO  L93              Difference]: Finished difference Result 183 states and 290 transitions.
[2023-12-24 05:04:47,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-24 05:04:47,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 213
[2023-12-24 05:04:47,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 05:04:47,678 INFO  L225             Difference]: With dead ends: 183
[2023-12-24 05:04:47,678 INFO  L226             Difference]: Without dead ends: 96
[2023-12-24 05:04:47,679 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-24 05:04:47,680 INFO  L413           NwaCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-24 05:04:47,680 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 225 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-24 05:04:47,681 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2023-12-24 05:04:47,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92.
[2023-12-24 05:04:47,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-24 05:04:47,692 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions.
[2023-12-24 05:04:47,692 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 213
[2023-12-24 05:04:47,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 05:04:47,693 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 144 transitions.
[2023-12-24 05:04:47,693 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67)
[2023-12-24 05:04:47,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions.
[2023-12-24 05:04:47,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-24 05:04:47,695 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 05:04:47,696 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 05:04:47,706 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
[2023-12-24 05:04:47,903 WARN  L477      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
[2023-12-24 05:04:47,904 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 05:04:47,904 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 05:04:47,904 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361030547, now seen corresponding path program 1 times
[2023-12-24 05:04:47,905 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 05:04:47,916 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643474609]
[2023-12-24 05:04:47,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:04:47,917 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
[2023-12-24 05:04:47,917 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 05:04:47,918 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)
[2023-12-24 05:04:47,922 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
[2023-12-24 05:04:48,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:04:48,129 INFO  L262         TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-12-24 05:04:48,134 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 05:04:49,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked.
[2023-12-24 05:04:49,336 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 05:04:50,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked.
[2023-12-24 05:04:50,040 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 05:04:50,041 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643474609]
[2023-12-24 05:04:50,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643474609] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-24 05:04:50,041 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 05:04:50,041 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19
[2023-12-24 05:04:50,041 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467996103]
[2023-12-24 05:04:50,041 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 05:04:50,042 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2023-12-24 05:04:50,042 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 05:04:50,043 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2023-12-24 05:04:50,043 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342
[2023-12-24 05:04:50,043 INFO  L87              Difference]: Start difference. First operand 92 states and 144 transitions. Second operand  has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67)
[2023-12-24 05:04:52,627 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 05:04:52,627 INFO  L93              Difference]: Finished difference Result 409 states and 610 transitions.
[2023-12-24 05:04:52,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2023-12-24 05:04:52,628 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 214
[2023-12-24 05:04:52,629 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 05:04:52,631 INFO  L225             Difference]: With dead ends: 409
[2023-12-24 05:04:52,631 INFO  L226             Difference]: Without dead ends: 318
[2023-12-24 05:04:52,633 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1118, Invalid=3172, Unknown=0, NotChecked=0, Total=4290
[2023-12-24 05:04:52,633 INFO  L413           NwaCegarLoop]: 160 mSDtfsCounter, 318 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2023-12-24 05:04:52,634 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 569 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2023-12-24 05:04:52,634 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2023-12-24 05:04:52,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 193.
[2023-12-24 05:04:52,670 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 193 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 114 states have internal predecessors, (146), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72)
[2023-12-24 05:04:52,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 290 transitions.
[2023-12-24 05:04:52,671 INFO  L78                 Accepts]: Start accepts. Automaton has 193 states and 290 transitions. Word has length 214
[2023-12-24 05:04:52,672 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 05:04:52,672 INFO  L495      AbstractCegarLoop]: Abstraction has 193 states and 290 transitions.
[2023-12-24 05:04:52,672 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67)
[2023-12-24 05:04:52,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 193 states and 290 transitions.
[2023-12-24 05:04:52,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-24 05:04:52,674 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 05:04:52,675 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 05:04:52,683 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 (4)] Forceful destruction successful, exit code 0
[2023-12-24 05:04:52,875 WARN  L477      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
[2023-12-24 05:04:52,876 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 05:04:52,876 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 05:04:52,876 INFO  L85        PathProgramCache]: Analyzing trace with hash 680972177, now seen corresponding path program 1 times
[2023-12-24 05:04:52,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 05:04:52,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042113861]
[2023-12-24 05:04:52,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:04:52,877 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
[2023-12-24 05:04:52,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 05:04:52,878 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)
[2023-12-24 05:04:52,879 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
[2023-12-24 05:04:53,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:04:53,191 INFO  L262         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-12-24 05:04:53,195 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 05:04:54,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2023-12-24 05:04:54,454 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 05:04:54,596 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 05:04:54,596 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042113861]
[2023-12-24 05:04:54,598 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042113861] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 05:04:54,598 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1865581494]
[2023-12-24 05:04:54,598 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:04:54,599 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-24 05:04:54,599 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-24 05:04:54,629 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-24 05:04:54,633 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2023-12-24 05:04:55,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:04:55,631 INFO  L262         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-24 05:04:55,635 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 05:04:58,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1534 proven. 168 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked.
[2023-12-24 05:04:58,844 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 05:04:59,237 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1865581494] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 05:04:59,238 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 05:04:59,238 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 29
[2023-12-24 05:04:59,238 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261523764]
[2023-12-24 05:04:59,238 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 05:04:59,239 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2023-12-24 05:04:59,240 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 05:04:59,240 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2023-12-24 05:04:59,241 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1008, Unknown=0, NotChecked=0, Total=1190
[2023-12-24 05:04:59,241 INFO  L87              Difference]: Start difference. First operand 193 states and 290 transitions. Second operand  has 30 states, 30 states have (on average 3.4) internal successors, (102), 26 states have internal predecessors, (102), 9 states have call successors, (55), 9 states have call predecessors, (55), 12 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56)
[2023-12-24 05:05:05,850 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 05:05:05,850 INFO  L93              Difference]: Finished difference Result 533 states and 781 transitions.
[2023-12-24 05:05:05,868 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2023-12-24 05:05:05,869 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 30 states have (on average 3.4) internal successors, (102), 26 states have internal predecessors, (102), 9 states have call successors, (55), 9 states have call predecessors, (55), 12 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) Word has length 214
[2023-12-24 05:05:05,869 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 05:05:05,872 INFO  L225             Difference]: With dead ends: 533
[2023-12-24 05:05:05,872 INFO  L226             Difference]: Without dead ends: 344
[2023-12-24 05:05:05,874 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660
[2023-12-24 05:05:05,875 INFO  L413           NwaCegarLoop]: 83 mSDtfsCounter, 481 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2023-12-24 05:05:05,875 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1025 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2023-12-24 05:05:05,875 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 344 states.
[2023-12-24 05:05:05,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 237.
[2023-12-24 05:05:05,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 237 states, 152 states have (on average 1.3223684210526316) internal successors, (201), 152 states have internal predecessors, (201), 70 states have call successors, (70), 14 states have call predecessors, (70), 14 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70)
[2023-12-24 05:05:05,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 341 transitions.
[2023-12-24 05:05:05,916 INFO  L78                 Accepts]: Start accepts. Automaton has 237 states and 341 transitions. Word has length 214
[2023-12-24 05:05:05,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 05:05:05,917 INFO  L495      AbstractCegarLoop]: Abstraction has 237 states and 341 transitions.
[2023-12-24 05:05:05,917 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 3.4) internal successors, (102), 26 states have internal predecessors, (102), 9 states have call successors, (55), 9 states have call predecessors, (55), 12 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56)
[2023-12-24 05:05:05,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 341 transitions.
[2023-12-24 05:05:05,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2023-12-24 05:05:05,921 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 05:05:05,921 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 05:05:05,934 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 (5)] Forceful destruction successful, exit code 0
[2023-12-24 05:05:06,131 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0
[2023-12-24 05:05:06,322 WARN  L477      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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-24 05:05:06,323 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 05:05:06,323 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 05:05:06,323 INFO  L85        PathProgramCache]: Analyzing trace with hash -375298690, now seen corresponding path program 1 times
[2023-12-24 05:05:06,324 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 05:05:06,324 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270182539]
[2023-12-24 05:05:06,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 05:05:06,324 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
[2023-12-24 05:05:06,324 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 05:05:06,325 INFO  L229       MonitoredProcess]: Starting monitored process 7 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)
[2023-12-24 05:05:06,332 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 (7)] Waiting until timeout for monitored process
[2023-12-24 05:05:06,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 05:05:06,677 INFO  L262         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 72 conjunts are in the unsatisfiable core
[2023-12-24 05:05:06,692 INFO  L285         TraceCheckSpWp]: Computing forward predicates...