/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 16:57:55,944 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 16:57:56,000 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-16 16:57:56,003 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 16:57:56,004 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 16:57:56,035 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 16:57:56,035 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 16:57:56,036 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 16:57:56,036 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 16:57:56,039 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 16:57:56,039 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 16:57:56,039 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 16:57:56,040 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 16:57:56,041 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 16:57:56,041 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 16:57:56,041 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 16:57:56,041 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 16:57:56,042 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 16:57:56,042 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 16:57:56,042 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 16:57:56,042 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 16:57:56,042 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 16:57:56,043 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 16:57:56,044 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 16:57:56,044 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 16:57:56,044 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 16:57:56,045 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 16:57:56,045 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 16:57:56,045 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 16:57:56,045 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 16:57:56,045 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 16:57:56,046 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 16:57:56,047 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 16:57:56,047 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 16:57:56,047 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 16:57:56,237 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 16:57:56,253 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 16:57:56,255 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 16:57:56,256 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 16:57:56,257 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 16:57:56,258 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c
[2023-12-16 16:57:57,380 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 16:57:57,505 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 16:57:57,506 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c
[2023-12-16 16:57:57,514 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a56b20a5/e3991f1af7464ef9a44d46b8b8dd3f2e/FLAG6c93fac53
[2023-12-16 16:57:57,529 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a56b20a5/e3991f1af7464ef9a44d46b8b8dd3f2e
[2023-12-16 16:57:57,531 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 16:57:57,531 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 16:57:57,532 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 16:57:57,532 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 16:57:57,535 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 16:57:57,536 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,537 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759e7c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57, skipping insertion in model container
[2023-12-16 16:57:57,537 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,551 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 16:57:57,666 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c[546,559]
[2023-12-16 16:57:57,685 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 16:57:57,699 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 16:57:57,707 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound10.c[546,559]
[2023-12-16 16:57:57,713 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 16:57:57,722 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 16:57:57,723 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57 WrapperNode
[2023-12-16 16:57:57,723 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 16:57:57,724 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 16:57:57,724 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 16:57:57,724 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 16:57:57,729 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,742 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,753 INFO  L138                Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41
[2023-12-16 16:57:57,753 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 16:57:57,754 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 16:57:57,754 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 16:57:57,754 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 16:57:57,761 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,761 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,763 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,777 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 16:57:57,777 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,777 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,780 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,782 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,783 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,783 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,787 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 16:57:57,788 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 16:57:57,788 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 16:57:57,788 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 16:57:57,789 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (1/1) ...
[2023-12-16 16:57:57,806 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 16:57:57,816 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 16:57:57,828 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 16:57:57,847 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 16:57:57,854 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 16:57:57,854 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 16:57:57,854 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-16 16:57:57,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-16 16:57:57,855 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 16:57:57,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 16:57:57,856 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-12-16 16:57:57,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-12-16 16:57:57,904 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 16:57:57,907 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 16:57:58,189 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 16:57:58,209 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 16:57:58,209 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 16:57:58,212 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:57:58 BoogieIcfgContainer
[2023-12-16 16:57:58,212 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 16:57:58,214 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 16:57:58,214 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 16:57:58,216 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 16:57:58,217 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:57:57" (1/3) ...
[2023-12-16 16:57:58,218 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2a0cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:57:58, skipping insertion in model container
[2023-12-16 16:57:58,218 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:57:57" (2/3) ...
[2023-12-16 16:57:58,218 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2a0cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:57:58, skipping insertion in model container
[2023-12-16 16:57:58,218 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:57:58" (3/3) ...
[2023-12-16 16:57:58,219 INFO  L112   eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound10.c
[2023-12-16 16:57:58,231 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 16:57:58,232 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 16:57:58,274 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 16:57:58,286 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b8f76d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 16:57:58,286 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 16:57:58,291 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-12-16 16:57:58,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 16:57:58,298 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 16:57:58,299 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 16:57:58,299 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 16:57:58,306 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 16:57:58,306 INFO  L85        PathProgramCache]: Analyzing trace with hash 1373888804, now seen corresponding path program 1 times
[2023-12-16 16:57:58,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 16:57:58,315 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694765873]
[2023-12-16 16:57:58,315 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 16:57:58,315 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:57:58,316 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 16:57:58,317 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 16:57:58,320 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-16 16:57:58,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 16:57:58,384 INFO  L262         TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 16:57:58,389 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 16:57:58,416 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-12-16 16:57:58,417 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 16:57:58,417 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 16:57:58,417 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694765873]
[2023-12-16 16:57:58,418 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [694765873] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 16:57:58,418 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 16:57:58,418 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 16:57:58,419 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545828720]
[2023-12-16 16:57:58,420 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 16:57:58,422 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 16:57:58,423 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 16:57:58,472 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 16:57:58,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 16:57:58,487 INFO  L87              Difference]: Start difference. First operand  has 24 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-16 16:57:58,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 16:57:58,536 INFO  L93              Difference]: Finished difference Result 46 states and 67 transitions.
[2023-12-16 16:57:58,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 16:57:58,538 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28
[2023-12-16 16:57:58,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 16:57:58,542 INFO  L225             Difference]: With dead ends: 46
[2023-12-16 16:57:58,542 INFO  L226             Difference]: Without dead ends: 22
[2023-12-16 16:57:58,544 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 16:57:58,549 INFO  L413           NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 16:57:58,550 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 16:57:58,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2023-12-16 16:57:58,583 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2023-12-16 16:57:58,584 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-12-16 16:57:58,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2023-12-16 16:57:58,586 INFO  L78                 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 28
[2023-12-16 16:57:58,586 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 16:57:58,586 INFO  L495      AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2023-12-16 16:57:58,587 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-16 16:57:58,587 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2023-12-16 16:57:58,588 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 16:57:58,588 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 16:57:58,589 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 16:57:58,598 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-16 16:57:58,792 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:57:58,794 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 16:57:58,794 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 16:57:58,794 INFO  L85        PathProgramCache]: Analyzing trace with hash -505565208, now seen corresponding path program 1 times
[2023-12-16 16:57:58,797 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 16:57:58,797 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658456055]
[2023-12-16 16:57:58,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 16:57:58,797 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:57:58,797 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 16:57:58,798 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 16:57:58,822 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-16 16:57:58,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 16:57:58,868 INFO  L262         TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-12-16 16:57:58,871 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 16:57:59,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 16:57:59,104 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 16:57:59,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2023-12-16 16:57:59,877 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 16:57:59,878 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658456055]
[2023-12-16 16:57:59,878 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658456055] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 16:57:59,878 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 16:57:59,878 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12
[2023-12-16 16:57:59,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774588548]
[2023-12-16 16:57:59,878 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 16:57:59,879 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 16:57:59,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 16:57:59,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 16:57:59,880 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2023-12-16 16:57:59,880 INFO  L87              Difference]: Start difference. First operand 22 states and 26 transitions. Second operand  has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-16 16:58:04,147 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-16 16:58:04,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 16:58:04,781 INFO  L93              Difference]: Finished difference Result 32 states and 37 transitions.
[2023-12-16 16:58:04,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-16 16:58:04,808 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28
[2023-12-16 16:58:04,809 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 16:58:04,809 INFO  L225             Difference]: With dead ends: 32
[2023-12-16 16:58:04,809 INFO  L226             Difference]: Without dead ends: 30
[2023-12-16 16:58:04,810 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2023-12-16 16:58:04,810 INFO  L413           NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time
[2023-12-16 16:58:04,811 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 77 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time]
[2023-12-16 16:58:04,811 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2023-12-16 16:58:04,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2023-12-16 16:58:04,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 19 states have internal predecessors, (19), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2023-12-16 16:58:04,816 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions.
[2023-12-16 16:58:04,816 INFO  L78                 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 28
[2023-12-16 16:58:04,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 16:58:04,817 INFO  L495      AbstractCegarLoop]: Abstraction has 28 states and 32 transitions.
[2023-12-16 16:58:04,817 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-16 16:58:04,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions.
[2023-12-16 16:58:04,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-12-16 16:58:04,818 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 16:58:04,818 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 16:58:04,839 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-16 16:58:05,021 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:58:05,022 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 16:58:05,022 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 16:58:05,022 INFO  L85        PathProgramCache]: Analyzing trace with hash 2051494664, now seen corresponding path program 1 times
[2023-12-16 16:58:05,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 16:58:05,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955799091]
[2023-12-16 16:58:05,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 16:58:05,023 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:58:05,023 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 16:58:05,037 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-16 16:58:05,038 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-16 16:58:05,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 16:58:05,113 INFO  L262         TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-12-16 16:58:05,115 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 16:58:05,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 16:58:05,602 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 16:58:41,454 WARN  L249               Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2023-12-16 16:58:41,455 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 16:58:41,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955799091]
[2023-12-16 16:58:41,455 WARN  L320   FreeRefinementEngine]: Global settings require throwing the following exception
[2023-12-16 16:58:41,464 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101
[2023-12-16 16:58:41,464 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-12-16 16:58:41,656 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-16 16:58:41,656 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:845)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:789)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:326)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:579)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:162)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
	... 45 more
[2023-12-16 16:58:41,659 INFO  L158              Benchmark]: Toolchain (without parser) took 44127.94ms. Allocated memory is still 328.2MB. Free memory was 269.3MB in the beginning and 206.0MB in the end (delta: 63.3MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,660 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 146.8MB in the beginning and 146.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 16:58:41,660 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 190.89ms. Allocated memory is still 328.2MB. Free memory was 269.3MB in the beginning and 257.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,660 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.83ms. Allocated memory is still 328.2MB. Free memory was 257.8MB in the beginning and 256.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,660 INFO  L158              Benchmark]: Boogie Preprocessor took 33.54ms. Allocated memory is still 328.2MB. Free memory was 256.1MB in the beginning and 254.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,661 INFO  L158              Benchmark]: RCFGBuilder took 424.31ms. Allocated memory is still 328.2MB. Free memory was 254.4MB in the beginning and 242.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,661 INFO  L158              Benchmark]: TraceAbstraction took 43444.91ms. Allocated memory is still 328.2MB. Free memory was 241.8MB in the beginning and 206.0MB in the end (delta: 35.8MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB.
[2023-12-16 16:58:41,664 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 146.8MB in the beginning and 146.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 190.89ms. Allocated memory is still 328.2MB. Free memory was 269.3MB in the beginning and 257.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 29.83ms. Allocated memory is still 328.2MB. Free memory was 257.8MB in the beginning and 256.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 33.54ms. Allocated memory is still 328.2MB. Free memory was 256.1MB in the beginning and 254.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 424.31ms. Allocated memory is still 328.2MB. Free memory was 254.4MB in the beginning and 242.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 43444.91ms. Allocated memory is still 328.2MB. Free memory was 241.8MB in the beginning and 206.0MB in the end (delta: 35.8MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...