/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-78.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:37:18,831 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:37:18,905 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 12:37:18,911 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:37:18,911 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:37:18,942 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:37:18,943 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:37:18,943 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:37:18,944 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:37:18,945 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:37:18,945 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:37:18,946 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:37:18,947 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:37:18,948 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:37:18,948 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:37:18,948 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:37:18,949 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:37:18,949 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:37:18,949 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:37:18,949 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:37:18,950 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:37:18,953 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:37:18,954 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:37:18,954 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:37:18,954 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:37:18,954 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:37:18,954 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:37:18,955 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:37:18,955 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:37:18,955 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:37:18,955 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:37:18,955 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:37:18,956 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:37:18,956 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:37:18,956 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:37:18,956 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:37:18,956 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:37:18,957 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:37:18,957 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:37:18,957 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:37:18,957 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:37:18,959 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:37:18,960 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:37:18,960 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:37:18,960 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:37:19,225 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:37:19,248 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:37:19,250 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:37:19,251 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:37:19,251 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:37:19,252 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-78.i
[2024-11-03 12:37:20,895 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:37:21,103 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:37:21,104 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-78.i
[2024-11-03 12:37:21,113 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c39a462dd/04a7af88ddaa425d975a5afe8eeede07/FLAGcb339989a
[2024-11-03 12:37:21,127 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c39a462dd/04a7af88ddaa425d975a5afe8eeede07
[2024-11-03 12:37:21,130 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:37:21,131 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:37:21,132 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:37:21,132 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:37:21,137 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:37:21,138 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,139 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c9cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21, skipping insertion in model container
[2024-11-03 12:37:21,139 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,172 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:37:21,373 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-78.i[916,929]
[2024-11-03 12:37:21,447 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:37:21,465 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:37:21,478 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-78.i[916,929]
[2024-11-03 12:37:21,525 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:37:21,550 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:37:21,553 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21 WrapperNode
[2024-11-03 12:37:21,553 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:37:21,554 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:37:21,555 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:37:21,555 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:37:21,561 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,579 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,657 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 215
[2024-11-03 12:37:21,658 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:37:21,659 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:37:21,659 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:37:21,659 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:37:21,689 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,690 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,696 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,720 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 12:37:21,721 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,721 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,738 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,741 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,744 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,746 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,749 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:37:21,750 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:37:21,750 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:37:21,750 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:37:21,751 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (1/1) ...
[2024-11-03 12:37:21,757 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:37:21,784 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:37:21,804 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 12:37:21,806 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 12:37:21,830 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:37:21,830 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:37:21,831 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:37:21,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:37:21,831 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:37:21,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:37:21,934 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:37:21,936 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:37:37,862 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-03 12:37:37,863 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:37:37,876 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:37:37,876 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:37:37,877 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:37:37 BoogieIcfgContainer
[2024-11-03 12:37:37,877 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:37:37,878 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:37:37,879 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:37:37,882 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:37:37,882 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:37:21" (1/3) ...
[2024-11-03 12:37:37,882 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fff8a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:37:37, skipping insertion in model container
[2024-11-03 12:37:37,883 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:21" (2/3) ...
[2024-11-03 12:37:37,883 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fff8a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:37:37, skipping insertion in model container
[2024-11-03 12:37:37,883 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:37:37" (3/3) ...
[2024-11-03 12:37:37,884 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-78.i
[2024-11-03 12:37:37,900 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:37:37,900 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:37:37,961 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:37:37,966 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;@518cd87d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:37:37,967 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:37:37,971 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 97 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 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 12:37:37,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:37:37,984 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:37,985 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 12:37:37,985 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:37,990 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:37,991 INFO  L85        PathProgramCache]: Analyzing trace with hash 777503742, now seen corresponding path program 1 times
[2024-11-03 12:37:37,998 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:37,999 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766458918]
[2024-11-03 12:37:37,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:38,001 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:38,001 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:38,004 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 12:37:38,005 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:37:38,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:38,152 INFO  L255         TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:38,162 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:37:38,208 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 12:37:38,209 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:37:39,912 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 12:37:39,920 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:37:39,920 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766458918]
[2024-11-03 12:37:39,921 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1766458918] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:37:39,921 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:37:39,921 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:37:39,928 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791034597]
[2024-11-03 12:37:39,929 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:37:39,942 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:37:39,945 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:37:39,986 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:37:39,987 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:37:39,991 INFO  L87              Difference]: Start difference. First operand  has 97 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 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 12:37:40,046 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:37:40,047 INFO  L93              Difference]: Finished difference Result 187 states and 331 transitions.
[2024-11-03 12:37:40,048 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:37:40,050 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 12:37:40,050 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:37:40,058 INFO  L225             Difference]: With dead ends: 187
[2024-11-03 12:37:40,058 INFO  L226             Difference]: Without dead ends: 93
[2024-11-03 12:37:40,063 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 12:37:40,066 INFO  L432           NwaCegarLoop]: 145 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, 145 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 12:37:40,067 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:37:40,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-11-03 12:37:40,107 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2024-11-03 12:37:40,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 58 states have internal predecessors, (79), 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 12:37:40,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 145 transitions.
[2024-11-03 12:37:40,113 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 145 transitions. Word has length 210
[2024-11-03 12:37:40,114 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:37:40,114 INFO  L471      AbstractCegarLoop]: Abstraction has 93 states and 145 transitions.
[2024-11-03 12:37:40,114 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 12:37:40,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions.
[2024-11-03 12:37:40,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:37:40,119 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:40,119 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 12:37:40,123 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:37:40,320 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:40,321 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:40,321 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:40,322 INFO  L85        PathProgramCache]: Analyzing trace with hash 131324100, now seen corresponding path program 1 times
[2024-11-03 12:37:40,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:40,322 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452558344]
[2024-11-03 12:37:40,322 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:40,323 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:40,323 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:40,327 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 12:37:40,328 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:37:40,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:40,453 INFO  L255         TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:40,460 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:37:40,580 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 12:37:40,581 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:37:42,282 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 12:37:42,282 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:37:42,282 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452558344]
[2024-11-03 12:37:42,283 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1452558344] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:37:42,283 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:37:42,283 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:37:42,285 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154251408]
[2024-11-03 12:37:42,285 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:37:42,289 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:37:42,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:37:42,290 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:37:42,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:37:42,291 INFO  L87              Difference]: Start difference. First operand 93 states and 145 transitions. Second operand  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:37:46,891 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:50,897 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:51,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:37:51,077 INFO  L93              Difference]: Finished difference Result 272 states and 427 transitions.
[2024-11-03 12:37:51,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:37:51,078 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210
[2024-11-03 12:37:51,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:37:51,082 INFO  L225             Difference]: With dead ends: 272
[2024-11-03 12:37:51,088 INFO  L226             Difference]: Without dead ends: 182
[2024-11-03 12:37:51,089 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:37:51,090 INFO  L432           NwaCegarLoop]: 269 mSDtfsCounter, 134 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time
[2024-11-03 12:37:51,090 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 400 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time]
[2024-11-03 12:37:51,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2024-11-03 12:37:51,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180.
[2024-11-03 12:37:51,142 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 180 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 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 12:37:51,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 280 transitions.
[2024-11-03 12:37:51,147 INFO  L78                 Accepts]: Start accepts. Automaton has 180 states and 280 transitions. Word has length 210
[2024-11-03 12:37:51,148 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:37:51,148 INFO  L471      AbstractCegarLoop]: Abstraction has 180 states and 280 transitions.
[2024-11-03 12:37:51,148 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:37:51,148 INFO  L276                IsEmpty]: Start isEmpty. Operand 180 states and 280 transitions.
[2024-11-03 12:37:51,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:37:51,152 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:51,153 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 12:37:51,156 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0
[2024-11-03 12:37:51,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:51,353 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:51,354 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:51,354 INFO  L85        PathProgramCache]: Analyzing trace with hash -261702910, now seen corresponding path program 1 times
[2024-11-03 12:37:51,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:51,354 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186765125]
[2024-11-03 12:37:51,355 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:51,355 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:51,355 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:51,362 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 12:37:51,363 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:37:51,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:51,518 INFO  L255         TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:51,526 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:37:52,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked.
[2024-11-03 12:37:52,741 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:37:56,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 87 proven. 9 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked.
[2024-11-03 12:37:56,350 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:37:56,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186765125]
[2024-11-03 12:37:56,350 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [186765125] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:37:56,351 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:37:56,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-11-03 12:37:56,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834761648]
[2024-11-03 12:37:56,359 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:37:56,359 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 12:37:56,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:37:56,361 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 12:37:56,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2024-11-03 12:37:56,366 INFO  L87              Difference]: Start difference. First operand 180 states and 280 transitions. Second operand  has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)
[2024-11-03 12:38:08,499 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:12,510 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:16,522 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:20,534 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:24,540 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:28,551 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:32,557 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:38:36,573 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:40,578 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:44,590 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:48,594 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:52,598 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:38:56,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:38:56,613 INFO  L93              Difference]: Finished difference Result 558 states and 854 transitions.
[2024-11-03 12:38:56,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-03 12:38:56,620 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 210
[2024-11-03 12:38:56,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:38:56,624 INFO  L225             Difference]: With dead ends: 558
[2024-11-03 12:38:56,624 INFO  L226             Difference]: Without dead ends: 381
[2024-11-03 12:38:56,625 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2024-11-03 12:38:56,626 INFO  L432           NwaCegarLoop]: 205 mSDtfsCounter, 180 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 68 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time
[2024-11-03 12:38:56,626 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 845 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 583 Invalid, 12 Unknown, 0 Unchecked, 58.5s Time]
[2024-11-03 12:38:56,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 381 states.
[2024-11-03 12:38:56,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 371.
[2024-11-03 12:38:56,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 371 states, 230 states have (on average 1.3130434782608695) internal successors, (302), 230 states have internal predecessors, (302), 132 states have call successors, (132), 8 states have call predecessors, (132), 8 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132)
[2024-11-03 12:38:56,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 566 transitions.
[2024-11-03 12:38:56,685 INFO  L78                 Accepts]: Start accepts. Automaton has 371 states and 566 transitions. Word has length 210
[2024-11-03 12:38:56,685 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:38:56,685 INFO  L471      AbstractCegarLoop]: Abstraction has 371 states and 566 transitions.
[2024-11-03 12:38:56,685 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)
[2024-11-03 12:38:56,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 371 states and 566 transitions.
[2024-11-03 12:38:56,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:38:56,687 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:38:56,687 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 12:38:56,695 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 12:38:56,891 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:38:56,892 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:38:56,893 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:38:56,893 INFO  L85        PathProgramCache]: Analyzing trace with hash -1850050812, now seen corresponding path program 1 times
[2024-11-03 12:38:56,893 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:38:56,893 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141621044]
[2024-11-03 12:38:56,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:38:56,893 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:38:56,893 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:38:56,895 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 12:38:56,897 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:38:56,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:38:56,991 INFO  L255         TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 12:38:56,996 INFO  L278         TraceCheckSpWp]: Computing forward predicates...