/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-18 22:57:25,834 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-18 22:57:25,905 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-18 22:57:25,908 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-18 22:57:25,909 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-18 22:57:25,931 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-18 22:57:25,932 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-18 22:57:25,932 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-18 22:57:25,933 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-18 22:57:25,935 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-18 22:57:25,936 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-18 22:57:25,936 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-18 22:57:25,937 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-18 22:57:25,938 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-18 22:57:25,938 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-18 22:57:25,938 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-18 22:57:25,938 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-18 22:57:25,938 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-18 22:57:25,938 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-18 22:57:25,939 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-18 22:57:25,940 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-18 22:57:25,941 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-18 22:57:25,941 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-18 22:57:25,941 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-18 22:57:25,941 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-18 22:57:25,942 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-18 22:57:25,942 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-18 22:57:25,942 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-18 22:57:25,943 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-18 22:57:25,943 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-18 22:57:25,944 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-18 22:57:25,944 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-18 22:57:25,944 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-18 22:57:26,138 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-18 22:57:26,152 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-18 22:57:26,154 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-18 22:57:26,154 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-18 22:57:26,155 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-18 22:57:26,156 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i
[2023-12-18 22:57:27,174 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-18 22:57:27,340 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-18 22:57:27,340 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i
[2023-12-18 22:57:27,345 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137cbbcad/620df12bfb3a4103a845db2e3481a67b/FLAGf1b2c9274
[2023-12-18 22:57:27,354 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137cbbcad/620df12bfb3a4103a845db2e3481a67b
[2023-12-18 22:57:27,355 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-18 22:57:27,356 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-18 22:57:27,357 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-18 22:57:27,357 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-18 22:57:27,360 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-18 22:57:27,361 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,361 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b424987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27, skipping insertion in model container
[2023-12-18 22:57:27,361 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,377 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-18 22:57:27,498 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i[1226,1239]
[2023-12-18 22:57:27,540 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i[2820,2833]
[2023-12-18 22:57:27,542 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-18 22:57:27,550 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-18 22:57:27,564 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i[1226,1239]
[2023-12-18 22:57:27,583 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_1.i[2820,2833]
[2023-12-18 22:57:27,583 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-18 22:57:27,596 INFO  L206         MainTranslator]: Completed translation
[2023-12-18 22:57:27,596 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27 WrapperNode
[2023-12-18 22:57:27,596 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-18 22:57:27,597 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-18 22:57:27,597 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-18 22:57:27,597 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-18 22:57:27,601 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,612 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,652 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 87
[2023-12-18 22:57:27,652 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-18 22:57:27,652 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-18 22:57:27,653 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-18 22:57:27,653 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-18 22:57:27,661 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,661 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,664 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,677 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2023-12-18 22:57:27,677 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,677 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,680 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,682 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,682 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,683 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,694 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-18 22:57:27,695 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-18 22:57:27,695 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-18 22:57:27,695 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-18 22:57:27,695 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (1/1) ...
[2023-12-18 22:57:27,699 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-18 22:57:27,705 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-18 22:57:27,727 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)
[2023-12-18 22:57:27,743 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
[2023-12-18 22:57:27,748 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-18 22:57:27,748 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-18 22:57:27,748 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-12-18 22:57:27,749 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-18 22:57:27,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-18 22:57:27,803 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-18 22:57:27,806 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-18 22:57:27,952 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-18 22:57:27,970 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-18 22:57:27,971 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-18 22:57:27,971 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:57:27 BoogieIcfgContainer
[2023-12-18 22:57:27,971 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-18 22:57:27,972 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-18 22:57:27,972 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-18 22:57:27,974 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-18 22:57:27,974 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 10:57:27" (1/3) ...
[2023-12-18 22:57:27,975 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734356e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:57:27, skipping insertion in model container
[2023-12-18 22:57:27,975 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:57:27" (2/3) ...
[2023-12-18 22:57:27,975 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734356e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:57:27, skipping insertion in model container
[2023-12-18 22:57:27,975 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:57:27" (3/3) ...
[2023-12-18 22:57:27,976 INFO  L112   eAbstractionObserver]: Analyzing ICFG gcd_3+newton_1_1.i
[2023-12-18 22:57:27,986 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-18 22:57:27,986 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-12-18 22:57:28,013 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-18 22:57:28,017 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;@38c596c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-18 22:57:28,017 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-12-18 22:57:28,019 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-18 22:57:28,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-12-18 22:57:28,022 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-18 22:57:28,023 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-12-18 22:57:28,023 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-18 22:57:28,026 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-18 22:57:28,026 INFO  L85        PathProgramCache]: Analyzing trace with hash -1037804606, now seen corresponding path program 1 times
[2023-12-18 22:57:28,031 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-18 22:57:28,031 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769869895]
[2023-12-18 22:57:28,032 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-18 22:57:28,032 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-18 22:57:28,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-18 22:57:28,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-18 22:57:28,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-18 22:57:28,114 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769869895]
[2023-12-18 22:57:28,114 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769869895] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-18 22:57:28,115 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-18 22:57:28,115 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-18 22:57:28,115 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338968188]
[2023-12-18 22:57:28,116 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-18 22:57:28,118 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-18 22:57:28,119 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-18 22:57:28,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-18 22:57:28,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-18 22:57:28,144 INFO  L87              Difference]: Start difference. First operand  has 20 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-18 22:57:28,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-18 22:57:28,176 INFO  L93              Difference]: Finished difference Result 34 states and 44 transitions.
[2023-12-18 22:57:28,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-18 22:57:28,178 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-12-18 22:57:28,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-18 22:57:28,182 INFO  L225             Difference]: With dead ends: 34
[2023-12-18 22:57:28,182 INFO  L226             Difference]: Without dead ends: 15
[2023-12-18 22:57:28,183 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-18 22:57:28,185 INFO  L413           NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-18 22:57:28,186 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-18 22:57:28,196 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2023-12-18 22:57:28,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2023-12-18 22:57:28,202 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-18 22:57:28,202 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2023-12-18 22:57:28,203 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6
[2023-12-18 22:57:28,203 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-18 22:57:28,203 INFO  L495      AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2023-12-18 22:57:28,203 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-18 22:57:28,203 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2023-12-18 22:57:28,204 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-12-18 22:57:28,204 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-18 22:57:28,204 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-12-18 22:57:28,204 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-18 22:57:28,204 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-18 22:57:28,205 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-18 22:57:28,205 INFO  L85        PathProgramCache]: Analyzing trace with hash -1037745024, now seen corresponding path program 1 times
[2023-12-18 22:57:28,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-18 22:57:28,205 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44221496]
[2023-12-18 22:57:28,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-18 22:57:28,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-18 22:57:28,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-18 22:57:28,214 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-18 22:57:28,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-18 22:57:28,246 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-18 22:57:28,247 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-18 22:57:28,248 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2023-12-18 22:57:28,250 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-12-18 22:57:28,250 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-18 22:57:28,255 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-12-18 22:57:28,257 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-18 22:57:28,271 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 10:57:28 BoogieIcfgContainer
[2023-12-18 22:57:28,271 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-18 22:57:28,271 INFO  L158              Benchmark]: Toolchain (without parser) took 915.09ms. Allocated memory is still 187.7MB. Free memory was 152.0MB in the beginning and 97.7MB in the end (delta: 54.2MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,271 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-18 22:57:28,273 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 139.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,274 INFO  L158              Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 187.7MB. Free memory was 139.7MB in the beginning and 138.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,275 INFO  L158              Benchmark]: Boogie Preprocessor took 41.38ms. Allocated memory is still 187.7MB. Free memory was 138.0MB in the beginning and 135.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,276 INFO  L158              Benchmark]: RCFGBuilder took 276.32ms. Allocated memory is still 187.7MB. Free memory was 135.5MB in the beginning and 122.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,276 INFO  L158              Benchmark]: TraceAbstraction took 298.52ms. Allocated memory is still 187.7MB. Free memory was 121.9MB in the beginning and 97.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB.
[2023-12-18 22:57:28,280 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 187.7MB. Free memory was 151.6MB in the beginning and 139.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 187.7MB. Free memory was 139.7MB in the beginning and 138.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 41.38ms. Allocated memory is still 187.7MB. Free memory was 138.0MB in the beginning and 135.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 276.32ms. Allocated memory is still 187.7MB. Free memory was 135.5MB in the beginning and 122.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 298.52ms. Allocated memory is still 187.7MB. Free memory was 121.9MB in the beginning and 97.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. 
Possible FailurePath: 
[L108]  COND FALSE  !(__VERIFIER_nondet_int())
[L111]  CALL        main2()
[L90]               float IN = __VERIFIER_nondet_float();
[L91]   CALL        assume_abort_if_not(IN > -0.2f && IN < 0.2f)
[L75]   COND FALSE  !(!cond)
        VAL         [\old(cond)=1, cond=1]
[L91]   RET         assume_abort_if_not(IN > -0.2f && IN < 0.2f)
[L93]   CALL, EXPR  f(IN)
[L80]               return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L93]   RET, EXPR   f(IN)
[L93]   CALL, EXPR  fp(IN)
[L85]               return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L93]   RET, EXPR   fp(IN)
[L93]               float x = IN - f(IN)/fp(IN);
[L101]  COND TRUE   !(x < 0.1)
[L102]              reach_error()

  - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 18 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-12-18 22:57:28,291 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...