/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:15:10,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:15:10,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:15:10,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 05:15:10,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:15:10,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:15:10,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:15:10,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:15:10,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:15:10,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:15:10,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:15:10,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:15:10,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:15:10,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:15:10,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:15:10,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:15:10,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 05:15:10,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:15:10,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:15:10,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:15:10,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:15:10,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:15:10,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:15:10,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:15:10,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:15:10,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:15:10,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:15:10,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:15:10,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:15:10,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:15:10,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:15:10,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:15:10,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:15:10,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:15:10,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:15:10,742 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:15:10,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:15:10,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:15:10,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:15:10,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:15:10,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:15:10,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:15:10,745 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:15:10,745 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:15:10,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:15:10,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:15:10,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:15:10,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:15:10,956 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:15:10,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_6.i [2022-01-11 05:15:11,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a4757e5/50d2285a6c7b4c739576540ad7f03485/FLAG5cc2af337 [2022-01-11 05:15:11,343 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:15:11,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_6.i [2022-01-11 05:15:11,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a4757e5/50d2285a6c7b4c739576540ad7f03485/FLAG5cc2af337 [2022-01-11 05:15:11,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a4757e5/50d2285a6c7b4c739576540ad7f03485 [2022-01-11 05:15:11,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:15:11,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:15:11,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:15:11,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:15:11,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:15:11,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dd2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11, skipping insertion in model container [2022-01-11 05:15:11,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:15:11,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:15:11,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_6.i[1641,1654] [2022-01-11 05:15:11,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:15:11,562 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:15:11,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_6.i[1641,1654] [2022-01-11 05:15:11,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:15:11,585 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:15:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11 WrapperNode [2022-01-11 05:15:11,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:15:11,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:15:11,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:15:11,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:15:11,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,611 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-11 05:15:11,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:15:11,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:15:11,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:15:11,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:15:11,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:15:11,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:15:11,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:15:11,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:15:11,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:15:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:15:11,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 05:15:11,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 05:15:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:15:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:15:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:15:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:15:11,750 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:15:11,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:15:11,854 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:15:11,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:15:11,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 05:15:11,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:11 BoogieIcfgContainer [2022-01-11 05:15:11,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:15:11,860 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:15:11,861 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:15:11,864 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:15:11,866 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:11" (1/1) ... [2022-01-11 05:15:11,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:15:11 BasicIcfg [2022-01-11 05:15:11,930 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:15:11,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:15:11,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:15:11,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:15:11,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:15:11" (1/4) ... [2022-01-11 05:15:11,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ddee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:15:11, skipping insertion in model container [2022-01-11 05:15:11,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:15:11" (2/4) ... [2022-01-11 05:15:11,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ddee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:15:11, skipping insertion in model container [2022-01-11 05:15:11,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:15:11" (3/4) ... [2022-01-11 05:15:11,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ddee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:15:11, skipping insertion in model container [2022-01-11 05:15:11,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:15:11" (4/4) ... [2022-01-11 05:15:11,935 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.iTransformedIcfg [2022-01-11 05:15:11,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:15:11,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 05:15:12,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:15:12,008 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 05:15:12,008 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 05:15:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-01-11 05:15:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-11 05:15:12,020 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:15:12,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-11 05:15:12,022 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:15:12,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:15:12,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-11 05:15:12,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:15:12,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682301304] [2022-01-11 05:15:12,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:15:12,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:15:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:15:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:15:12,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:15:12,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682301304] [2022-01-11 05:15:12,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682301304] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:15:12,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:15:12,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:15:12,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230660920] [2022-01-11 05:15:12,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:15:12,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:15:12,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:15:12,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:15:12,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:15:12,202 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-01-11 05:15:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:15:12,211 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-11 05:15:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:15:12,213 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 [2022-01-11 05:15:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:15:12,218 INFO L225 Difference]: With dead ends: 19 [2022-01-11 05:15:12,218 INFO L226 Difference]: Without dead ends: 7 [2022-01-11 05:15:12,220 INFO L932 BasicCegarLoop]: 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 [2022-01-11 05:15:12,223 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:15:12,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:15:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-11 05:15:12,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-11 05:15:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 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) [2022-01-11 05:15:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-11 05:15:12,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-11 05:15:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:15:12,243 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-11 05:15:12,243 INFO L471 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) [2022-01-11 05:15:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-11 05:15:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-11 05:15:12,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:15:12,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-11 05:15:12,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:15:12,245 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:15:12,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:15:12,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-11 05:15:12,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:15:12,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834737949] [2022-01-11 05:15:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:15:12,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:15:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:15:12,280 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:15:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:15:12,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:15:12,313 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:15:12,314 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 05:15:12,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:15:12,317 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-11 05:15:12,321 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:15:12,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:15:12 BasicIcfg [2022-01-11 05:15:12,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:15:12,345 INFO L158 Benchmark]: Toolchain (without parser) took 975.74ms. Allocated memory is still 187.7MB. Free memory was 138.6MB in the beginning and 126.4MB in the end (delta: 12.3MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,346 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:15:12,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.70ms. Allocated memory is still 187.7MB. Free memory was 138.3MB in the beginning and 164.1MB in the end (delta: -25.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.36ms. Allocated memory is still 187.7MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,349 INFO L158 Benchmark]: Boogie Preprocessor took 29.53ms. Allocated memory is still 187.7MB. Free memory was 162.6MB in the beginning and 161.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,351 INFO L158 Benchmark]: RCFGBuilder took 218.07ms. Allocated memory is still 187.7MB. Free memory was 161.5MB in the beginning and 152.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,351 INFO L158 Benchmark]: IcfgTransformer took 69.41ms. Allocated memory is still 187.7MB. Free memory was 152.6MB in the beginning and 150.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,351 INFO L158 Benchmark]: TraceAbstraction took 413.83ms. Allocated memory is still 187.7MB. Free memory was 150.0MB in the beginning and 126.4MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-11 05:15:12,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.70ms. Allocated memory is still 187.7MB. Free memory was 138.3MB in the beginning and 164.1MB in the end (delta: -25.8MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.36ms. Allocated memory is still 187.7MB. Free memory was 164.1MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.53ms. Allocated memory is still 187.7MB. Free memory was 162.6MB in the beginning and 161.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 218.07ms. Allocated memory is still 187.7MB. Free memory was 161.5MB in the beginning and 152.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 69.41ms. Allocated memory is still 187.7MB. Free memory was 152.6MB in the beginning and 150.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 413.83ms. Allocated memory is still 187.7MB. Free memory was 150.0MB in the beginning and 126.4MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. 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: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.gt at line 30, overapproximation of fp.geq at line 36, overapproximation of fp.add at line 34, overapproximation of fp.leq at line 36, overapproximation of fp.lt at line 30. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L36] COND TRUE !(result <= 1.2f && result >= -1.2f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 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=11occurred 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 [2022-01-11 05:15:12,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...