/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-70.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:36:24,368 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:36:24,442 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 12:36:24,448 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:36:24,449 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:36:24,476 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:36:24,476 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:36:24,477 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:36:24,477 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:36:24,478 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:36:24,478 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:36:24,479 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:36:24,480 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:36:24,481 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:36:24,481 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:36:24,481 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:36:24,482 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:36:24,482 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:36:24,482 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:36:24,483 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:36:24,483 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:36:24,486 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:36:24,486 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:36:24,487 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:36:24,487 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:36:24,487 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:36:24,487 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:36:24,488 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:36:24,488 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:36:24,488 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:36:24,488 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:36:24,489 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:36:24,489 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:36:24,489 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:36:24,490 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:36:24,490 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:36:24,490 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:36:24,491 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:36:24,491 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:36:24,491 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:36:24,491 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:36:24,491 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:36:24,492 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:36:24,492 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:36:24,492 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:36:24,742 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:36:24,766 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:36:24,768 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:36:24,769 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:36:24,769 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:36:24,770 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-70.i
[2024-11-03 12:36:26,193 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:36:26,419 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:36:26,420 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-70.i
[2024-11-03 12:36:26,438 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07975c0c8/d58df17097dc4726a0d84f303bc06181/FLAG31ff53a3f
[2024-11-03 12:36:26,765 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07975c0c8/d58df17097dc4726a0d84f303bc06181
[2024-11-03 12:36:26,767 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:36:26,768 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:36:26,770 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:36:26,770 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:36:26,779 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:36:26,780 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:36:26" (1/1) ...
[2024-11-03 12:36:26,781 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da233bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:26, skipping insertion in model container
[2024-11-03 12:36:26,781 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:36:26" (1/1) ...
[2024-11-03 12:36:26,817 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:36:26,975 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_amount100_file-70.i[916,929]
[2024-11-03 12:36:27,048 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:36:27,068 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:36:27,077 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_amount100_file-70.i[916,929]
[2024-11-03 12:36:27,125 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:36:27,149 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:36:27,150 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27 WrapperNode
[2024-11-03 12:36:27,150 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:36:27,151 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:36:27,151 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:36:27,151 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:36:27,155 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,167 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,201 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216
[2024-11-03 12:36:27,202 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:36:27,202 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:36:27,202 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:36:27,202 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:36:27,215 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,215 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,223 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,235 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 12:36:27,235 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,236 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,247 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,250 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,253 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,255 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,258 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:36:27,259 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:36:27,259 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:36:27,259 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:36:27,260 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (1/1) ...
[2024-11-03 12:36:27,272 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:36:27,284 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:36:27,299 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 12:36:27,303 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 12:36:27,328 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:36:27,328 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:36:27,328 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:36:27,328 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:36:27,329 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:36:27,330 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:36:27,427 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:36:27,429 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:36:31,588 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-03 12:36:31,588 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:36:31,601 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:36:31,602 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:36:31,602 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:36:31 BoogieIcfgContainer
[2024-11-03 12:36:31,602 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:36:31,604 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:36:31,604 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:36:31,607 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:36:31,608 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:36:26" (1/3) ...
[2024-11-03 12:36:31,608 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3ace3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:36:31, skipping insertion in model container
[2024-11-03 12:36:31,608 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:36:27" (2/3) ...
[2024-11-03 12:36:31,609 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3ace3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:36:31, skipping insertion in model container
[2024-11-03 12:36:31,609 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:36:31" (3/3) ...
[2024-11-03 12:36:31,610 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-70.i
[2024-11-03 12:36:31,621 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:36:31,621 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:36:31,676 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:36:31,681 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;@33ed5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:36:31,681 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:36:31,684 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 95 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 12:36:31,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:36:31,697 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:31,698 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:31,699 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:31,702 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:31,703 INFO  L85        PathProgramCache]: Analyzing trace with hash -1956773144, now seen corresponding path program 1 times
[2024-11-03 12:36:31,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:31,710 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138762714]
[2024-11-03 12:36:31,710 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:31,712 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:31,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:31,714 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:31,715 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:36:31,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:31,880 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:31,899 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:31,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-03 12:36:31,968 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:36:32,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-03 12:36:32,433 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:36:32,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138762714]
[2024-11-03 12:36:32,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [138762714] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:36:32,435 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:36:32,435 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:36:32,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665392457]
[2024-11-03 12:36:32,437 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:36:32,443 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:36:32,443 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:36:32,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:36:32,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:36:32,472 INFO  L87              Difference]: Start difference. First operand  has 95 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:36:32,514 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:32,514 INFO  L93              Difference]: Finished difference Result 183 states and 325 transitions.
[2024-11-03 12:36:32,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:36:32,517 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210
[2024-11-03 12:36:32,517 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:32,524 INFO  L225             Difference]: With dead ends: 183
[2024-11-03 12:36:32,524 INFO  L226             Difference]: Without dead ends: 91
[2024-11-03 12:36:32,528 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:36:32,534 INFO  L432           NwaCegarLoop]: 142 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, 142 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:32,535 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:36:32,550 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-11-03 12:36:32,583 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-11-03 12:36:32,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 12:36:32,589 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions.
[2024-11-03 12:36:32,591 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 210
[2024-11-03 12:36:32,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:32,592 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 142 transitions.
[2024-11-03 12:36:32,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:36:32,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions.
[2024-11-03 12:36:32,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:36:32,597 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:32,598 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:32,600 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:36:32,798 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:32,799 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:32,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:32,800 INFO  L85        PathProgramCache]: Analyzing trace with hash 1072816226, now seen corresponding path program 1 times
[2024-11-03 12:36:32,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:32,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593084574]
[2024-11-03 12:36:32,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:32,801 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:32,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:32,803 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:32,804 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:36:32,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:32,991 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:33,009 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:38,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:36:38,173 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:36:40,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:36:40,358 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:36:40,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593084574]
[2024-11-03 12:36:40,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [593084574] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:36:40,359 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:36:40,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 12:36:40,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574623597]
[2024-11-03 12:36:40,359 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:36:40,362 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 12:36:40,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:36:40,364 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 12:36:40,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:36:40,365 INFO  L87              Difference]: Start difference. First operand 91 states and 142 transitions. Second operand  has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66)
[2024-11-03 12:36:45,624 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:51,142 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:52,343 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:52,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:52,344 INFO  L93              Difference]: Finished difference Result 280 states and 442 transitions.
[2024-11-03 12:36:52,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:36:52,379 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 210
[2024-11-03 12:36:52,380 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:52,383 INFO  L225             Difference]: With dead ends: 280
[2024-11-03 12:36:52,383 INFO  L226             Difference]: Without dead ends: 192
[2024-11-03 12:36:52,385 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-03 12:36:52,386 INFO  L432           NwaCegarLoop]: 142 mSDtfsCounter, 107 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 67 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:52,386 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 784 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 102 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time]
[2024-11-03 12:36:52,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2024-11-03 12:36:52,464 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157.
[2024-11-03 12:36:52,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 157 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66)
[2024-11-03 12:36:52,467 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 245 transitions.
[2024-11-03 12:36:52,468 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 245 transitions. Word has length 210
[2024-11-03 12:36:52,468 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:52,469 INFO  L471      AbstractCegarLoop]: Abstraction has 157 states and 245 transitions.
[2024-11-03 12:36:52,469 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66)
[2024-11-03 12:36:52,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 245 transitions.
[2024-11-03 12:36:52,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-03 12:36:52,472 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:52,472 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:52,481 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:36:52,674 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:52,675 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:52,676 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:52,676 INFO  L85        PathProgramCache]: Analyzing trace with hash -1060584807, now seen corresponding path program 1 times
[2024-11-03 12:36:52,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:52,676 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209755852]
[2024-11-03 12:36:52,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:52,677 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:52,677 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:52,685 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:52,687 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:36:52,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:52,795 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:52,805 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:56,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:36:56,660 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:37:25,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:37:25,211 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:37:25,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209755852]
[2024-11-03 12:37:25,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [209755852] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:37:25,211 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:37:25,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9
[2024-11-03 12:37:25,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409498472]
[2024-11-03 12:37:25,212 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:37:25,215 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 12:37:25,215 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:37:25,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 12:37:25,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-03 12:37:25,218 INFO  L87              Difference]: Start difference. First operand 157 states and 245 transitions. Second operand  has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66)
[2024-11-03 12:37:29,953 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:33,168 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:35,283 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:37:41,747 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:37:45,220 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:37:45,390 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:37:45,390 INFO  L93              Difference]: Finished difference Result 506 states and 788 transitions.
[2024-11-03 12:37:45,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-03 12:37:45,393 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 211
[2024-11-03 12:37:45,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:37:45,399 INFO  L225             Difference]: With dead ends: 506
[2024-11-03 12:37:45,399 INFO  L226             Difference]: Without dead ends: 418
[2024-11-03 12:37:45,400 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132
[2024-11-03 12:37:45,401 INFO  L432           NwaCegarLoop]: 232 mSDtfsCounter, 491 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 202 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time
[2024-11-03 12:37:45,402 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 1292 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time]
[2024-11-03 12:37:45,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 418 states.
[2024-11-03 12:37:45,464 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 260.
[2024-11-03 12:37:45,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 260 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99)
[2024-11-03 12:37:45,467 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 411 transitions.
[2024-11-03 12:37:45,469 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 411 transitions. Word has length 211
[2024-11-03 12:37:45,471 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:37:45,471 INFO  L471      AbstractCegarLoop]: Abstraction has 260 states and 411 transitions.
[2024-11-03 12:37:45,471 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66)
[2024-11-03 12:37:45,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 411 transitions.
[2024-11-03 12:37:45,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-03 12:37:45,480 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:45,481 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:37:45,485 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:37:45,681 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:45,682 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:45,682 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:45,683 INFO  L85        PathProgramCache]: Analyzing trace with hash -1869931433, now seen corresponding path program 1 times
[2024-11-03 12:37:45,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:45,683 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622043149]
[2024-11-03 12:37:45,683 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:45,683 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:45,683 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:45,685 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:37:45,687 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:37:45,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:45,775 INFO  L255         TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:45,779 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:37:48,420 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 746 proven. 75 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked.
[2024-11-03 12:37:48,421 INFO  L311         TraceCheckSpWp]: Computing backward predicates...