/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_BITWISE.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:47:41,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:47:41,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:47:41,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 11:47:41,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:47:41,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:47:41,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:47:41,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:47:41,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:47:41,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:47:41,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:47:41,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:47:41,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:47:41,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:47:41,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:47:41,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:47:41,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 11:47:41,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 11:47:41,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 11:47:41,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 11:47:41,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 11:47:41,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:47:41,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:47:41,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:47:41,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:47:41,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:47:41,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:47:41,359 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:47:41,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:47:41,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:47:41,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:47:41,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:47:41,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:47:41,362 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:47:41,362 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:47:41,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:47:41,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:47:41,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:47:41,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:47:41,547 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:47:41,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i [2022-01-10 11:47:41,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7408b321/8b264bcd8d6d4866b8d567a5c0802fc3/FLAGc640dc655 [2022-01-10 11:47:41,955 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:47:41,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_7.i [2022-01-10 11:47:41,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7408b321/8b264bcd8d6d4866b8d567a5c0802fc3/FLAGc640dc655 [2022-01-10 11:47:41,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7408b321/8b264bcd8d6d4866b8d567a5c0802fc3 [2022-01-10 11:47:41,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:47:41,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:47:41,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:47:41,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:47:41,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:47:41,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:47:41" (1/1) ... [2022-01-10 11:47:41,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234cc5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:41, skipping insertion in model container [2022-01-10 11:47:41,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:47:41" (1/1) ... [2022-01-10 11:47:41,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:47:42,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:47:42,168 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_7.i[1641,1654] [2022-01-10 11:47:42,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:47:42,180 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:47:42,195 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_7.i[1641,1654] [2022-01-10 11:47:42,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:47:42,213 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:47:42,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42 WrapperNode [2022-01-10 11:47:42,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:47:42,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:47:42,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:47:42,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:47:42,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,238 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 11:47:42,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:47:42,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:47:42,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:47:42,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:47:42,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:47:42,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:47:42,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:47:42,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:47:42,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:47:42,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:47:42,294 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 11:47:42,312 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 11:47:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:47:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:47:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:47:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:47:42,379 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:47:42,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:47:42,446 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:47:42,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:47:42,450 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 11:47:42,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:47:42 BoogieIcfgContainer [2022-01-10 11:47:42,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:47:42,451 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:47:42,451 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:47:42,452 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:47:42,454 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:47:42" (1/1) ... [2022-01-10 11:47:42,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:47:42 BasicIcfg [2022-01-10 11:47:42,481 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:47:42,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:47:42,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:47:42,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:47:42,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:47:41" (1/4) ... [2022-01-10 11:47:42,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6339ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:47:42, skipping insertion in model container [2022-01-10 11:47:42,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:47:42" (2/4) ... [2022-01-10 11:47:42,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6339ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:47:42, skipping insertion in model container [2022-01-10 11:47:42,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:47:42" (3/4) ... [2022-01-10 11:47:42,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6339ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:47:42, skipping insertion in model container [2022-01-10 11:47:42,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:47:42" (4/4) ... [2022-01-10 11:47:42,486 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.iTransformedIcfg [2022-01-10 11:47:42,490 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:47:42,490 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 11:47:42,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:47:42,521 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 11:47:42,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 11:47:42,529 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 11:47:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 11:47:42,532 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:47:42,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 11:47:42,533 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 11:47:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:47:42,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 11:47:42,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:47:42,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260010243] [2022-01-10 11:47:42,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:47:42,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:47:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:47:42,653 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 11:47:42,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:47:42,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260010243] [2022-01-10 11:47:42,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260010243] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:47:42,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:47:42,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 11:47:42,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380473348] [2022-01-10 11:47:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:47:42,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 11:47:42,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:47:42,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 11:47:42,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 11:47:42,684 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 11:47:42,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:47:42,693 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 11:47:42,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 11:47:42,694 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 11:47:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:47:42,699 INFO L225 Difference]: With dead ends: 19 [2022-01-10 11:47:42,699 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 11:47:42,701 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 11:47:42,704 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 11:47:42,705 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 11:47:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 11:47:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 11:47:42,724 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 11:47:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 11:47:42,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 11:47:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:47:42,726 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 11:47:42,726 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 11:47:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 11:47:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 11:47:42,728 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:47:42,728 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 11:47:42,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:47:42,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 11:47:42,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:47:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 11:47:42,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:47:42,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131135055] [2022-01-10 11:47:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:47:42,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:47:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:47:42,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 11:47:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 11:47:42,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 11:47:42,801 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 11:47:42,802 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 11:47:42,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 11:47:42,806 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 11:47:42,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 11:47:42,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:47:42 BasicIcfg [2022-01-10 11:47:42,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 11:47:42,835 INFO L158 Benchmark]: Toolchain (without parser) took 852.06ms. Allocated memory is still 198.2MB. Free memory was 146.5MB in the beginning and 135.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,836 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 11:47:42,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.63ms. Allocated memory is still 198.2MB. Free memory was 146.3MB in the beginning and 173.2MB in the end (delta: -27.0MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.71ms. Allocated memory is still 198.2MB. Free memory was 173.2MB in the beginning and 171.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,839 INFO L158 Benchmark]: Boogie Preprocessor took 24.61ms. Allocated memory is still 198.2MB. Free memory was 171.6MB in the beginning and 170.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,841 INFO L158 Benchmark]: RCFGBuilder took 186.70ms. Allocated memory is still 198.2MB. Free memory was 170.6MB in the beginning and 161.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,842 INFO L158 Benchmark]: IcfgTransformer took 30.15ms. Allocated memory is still 198.2MB. Free memory was 161.1MB in the beginning and 159.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,842 INFO L158 Benchmark]: TraceAbstraction took 352.07ms. Allocated memory is still 198.2MB. Free memory was 158.5MB in the beginning and 135.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 11:47:42,846 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 198.2MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.63ms. Allocated memory is still 198.2MB. Free memory was 146.3MB in the beginning and 173.2MB in the end (delta: -27.0MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.71ms. Allocated memory is still 198.2MB. Free memory was 173.2MB in the beginning and 171.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.61ms. Allocated memory is still 198.2MB. Free memory was 171.6MB in the beginning and 170.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 186.70ms. Allocated memory is still 198.2MB. Free memory was 170.6MB in the beginning and 161.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 30.15ms. Allocated memory is still 198.2MB. Free memory was 161.1MB in the beginning and 159.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 352.07ms. Allocated memory is still 198.2MB. Free memory was 158.5MB in the beginning and 135.4MB in the end (delta: 23.1MB). 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 <= 1.5f && result >= -1.5f) [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 [2022-01-10 11:47:42,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...