/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_NONE.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 23:27:23,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 23:27:23,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 23:27:23,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 23:27:23,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 23:27:23,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 23:27:23,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 23:27:23,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 23:27:23,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 23:27:23,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 23:27:23,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 23:27:23,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 23:27:23,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 23:27:23,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 23:27:23,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 23:27:23,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 23:27:23,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 23:27:23,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 23:27:23,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 23:27:23,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 23:27:23,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 23:27:23,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 23:27:23,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 23:27:23,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 23:27:23,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 23:27:23,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 23:27:23,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 23:27:23,248 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 23:27:23,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 23:27:23,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 23:27:23,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 23:27:23,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:23,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 23:27:23,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 23:27:23,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 23:27:23,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 23:27:23,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 23:27:23,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 23:27:23,253 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 23:27:23,253 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 23:27:23,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 23:27:23,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 23:27:23,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 23:27:23,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 23:27:23,499 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 23:27:23,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_5.i [2022-01-10 23:27:23,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b591a98b/eef208bd9e7343df88d6c933a1aad35b/FLAGa44181aa1 [2022-01-10 23:27:23,955 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 23:27:23,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_5.i [2022-01-10 23:27:23,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b591a98b/eef208bd9e7343df88d6c933a1aad35b/FLAGa44181aa1 [2022-01-10 23:27:23,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b591a98b/eef208bd9e7343df88d6c933a1aad35b [2022-01-10 23:27:23,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 23:27:23,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 23:27:23,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:23,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 23:27:23,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 23:27:23,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:23" (1/1) ... [2022-01-10 23:27:23,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5508d7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:23, skipping insertion in model container [2022-01-10 23:27:23,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:23" (1/1) ... [2022-01-10 23:27:24,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 23:27:24,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:27:24,210 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_5.i[1641,1654] [2022-01-10 23:27:24,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:24,222 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 23:27:24,256 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_5.i[1641,1654] [2022-01-10 23:27:24,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:24,277 INFO L208 MainTranslator]: Completed translation [2022-01-10 23:27:24,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24 WrapperNode [2022-01-10 23:27:24,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:24,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:24,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 23:27:24,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 23:27:24,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,304 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 23:27:24,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:24,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 23:27:24,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 23:27:24,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 23:27:24,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 23:27:24,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 23:27:24,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 23:27:24,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 23:27:24,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:24,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 23:27:24,361 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) [2022-01-10 23:27:24,364 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 [2022-01-10 23:27:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 23:27:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 23:27:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 23:27:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 23:27:24,437 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 23:27:24,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 23:27:24,509 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 23:27:24,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 23:27:24,515 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 23:27:24,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:24 BoogieIcfgContainer [2022-01-10 23:27:24,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 23:27:24,517 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 23:27:24,517 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 23:27:24,518 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 23:27:24,521 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:27:24 BasicIcfg [2022-01-10 23:27:24,587 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 23:27:24,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 23:27:24,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 23:27:24,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 23:27:24,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:27:23" (1/4) ... [2022-01-10 23:27:24,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c7dfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:27:24, skipping insertion in model container [2022-01-10 23:27:24,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24" (2/4) ... [2022-01-10 23:27:24,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c7dfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:27:24, skipping insertion in model container [2022-01-10 23:27:24,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:24" (3/4) ... [2022-01-10 23:27:24,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c7dfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:27:24, skipping insertion in model container [2022-01-10 23:27:24,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:27:24" (4/4) ... [2022-01-10 23:27:24,594 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_5.iTransformedIcfg [2022-01-10 23:27:24,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 23:27:24,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 23:27:24,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 23:27:24,676 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 [2022-01-10 23:27:24,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 23:27:24,688 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) [2022-01-10 23:27:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:24,692 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:24,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:24,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 23:27:24,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:24,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541042906] [2022-01-10 23:27:24,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:24,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:27:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:27:24,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:27:24,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541042906] [2022-01-10 23:27:24,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541042906] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:27:24,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:27:24,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 23:27:24,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670305591] [2022-01-10 23:27:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:27:24,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 23:27:24,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:27:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 23:27:24,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 23:27:24,916 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) [2022-01-10 23:27:24,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:27:24,927 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 23:27:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 23:27:24,930 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 [2022-01-10 23:27:24,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:27:24,937 INFO L225 Difference]: With dead ends: 19 [2022-01-10 23:27:24,938 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 23:27:24,940 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 [2022-01-10 23:27:24,945 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 [2022-01-10 23:27:24,946 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] [2022-01-10 23:27:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 23:27:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 23:27:24,973 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) [2022-01-10 23:27:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 23:27:24,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 23:27:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:27:24,975 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 23:27:24,976 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) [2022-01-10 23:27:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 23:27:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:24,978 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:24,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:24,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 23:27:24,979 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:24,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:24,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 23:27:24,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:24,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884496676] [2022-01-10 23:27:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:24,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:25,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 23:27:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:25,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 23:27:25,048 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 23:27:25,050 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 23:27:25,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 23:27:25,056 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 23:27:25,058 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 23:27:25,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:27:25 BasicIcfg [2022-01-10 23:27:25,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 23:27:25,079 INFO L158 Benchmark]: Toolchain (without parser) took 1087.52ms. Allocated memory was 189.8MB in the beginning and 241.2MB in the end (delta: 51.4MB). Free memory was 133.5MB in the beginning and 174.9MB in the end (delta: -41.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,080 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory was 149.9MB in the beginning and 149.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 23:27:25,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.81ms. Allocated memory was 189.8MB in the beginning and 241.2MB in the end (delta: 51.4MB). Free memory was 133.4MB in the beginning and 214.7MB in the end (delta: -81.4MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.04ms. Allocated memory is still 241.2MB. Free memory was 214.2MB in the beginning and 213.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,081 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 241.2MB. Free memory was 213.2MB in the beginning and 212.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,082 INFO L158 Benchmark]: RCFGBuilder took 184.12ms. Allocated memory is still 241.2MB. Free memory was 212.1MB in the beginning and 201.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,082 INFO L158 Benchmark]: IcfgTransformer took 70.28ms. Allocated memory is still 241.2MB. Free memory was 201.6MB in the beginning and 199.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,083 INFO L158 Benchmark]: TraceAbstraction took 489.75ms. Allocated memory is still 241.2MB. Free memory was 198.5MB in the beginning and 174.9MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory was 149.9MB in the beginning and 149.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.81ms. Allocated memory was 189.8MB in the beginning and 241.2MB in the end (delta: 51.4MB). Free memory was 133.4MB in the beginning and 214.7MB in the end (delta: -81.4MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.04ms. Allocated memory is still 241.2MB. Free memory was 214.2MB in the beginning and 213.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 241.2MB. Free memory was 213.2MB in the beginning and 212.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 184.12ms. Allocated memory is still 241.2MB. Free memory was 212.1MB in the beginning and 201.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 70.28ms. Allocated memory is still 241.2MB. Free memory was 201.6MB in the beginning and 199.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 489.75ms. Allocated memory is still 241.2MB. Free memory was 198.5MB in the beginning and 174.9MB in the end (delta: 23.6MB). 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: 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 <= 1.1f && result >= -1.1f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, 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, 0.1s 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 [2022-01-10 23:27:25,120 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...