/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_6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 23:27:23,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 23:27:23,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 23:27:23,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 23:27:23,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 23:27:23,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 23:27:23,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 23:27:23,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 23:27:23,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 23:27:23,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 23:27:23,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 23:27:23,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 23:27:23,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 23:27:23,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 23:27:23,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 23:27:23,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 23:27:23,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 23:27:23,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 23:27:23,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 23:27:23,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 23:27:23,699 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 23:27:23,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 23:27:23,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 23:27:23,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 23:27:23,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 23:27:23,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 23:27:23,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 23:27:23,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 23:27:23,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 23:27:23,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:23,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 23:27:23,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 23:27:23,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 23:27:23,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 23:27:23,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 23:27:23,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 23:27:23,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 23:27:23,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 23:27:23,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 23:27:23,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 23:27:23,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 23:27:23,879 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 23:27:23,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_6.i [2022-01-10 23:27:23,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd835bf46/ed499f5c7a5e411ca36acd518c4ad51b/FLAG0ff311f69 [2022-01-10 23:27:24,265 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 23:27:24,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_6.i [2022-01-10 23:27:24,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd835bf46/ed499f5c7a5e411ca36acd518c4ad51b/FLAG0ff311f69 [2022-01-10 23:27:24,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd835bf46/ed499f5c7a5e411ca36acd518c4ad51b [2022-01-10 23:27:24,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 23:27:24,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 23:27:24,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:24,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 23:27:24,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 23:27:24,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb7924e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24, skipping insertion in model container [2022-01-10 23:27:24,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:24" (1/1) ... [2022-01-10 23:27:24,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 23:27:24,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:27:25,042 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] [2022-01-10 23:27:25,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:25,052 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 23:27:25,067 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] [2022-01-10 23:27:25,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:25,083 INFO L208 MainTranslator]: Completed translation [2022-01-10 23:27:25,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25 WrapperNode [2022-01-10 23:27:25,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:25,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:25,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 23:27:25,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 23:27:25,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,105 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 23:27:25,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:25,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 23:27:25,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 23:27:25,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 23:27:25,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 23:27:25,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 23:27:25,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 23:27:25,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 23:27:25,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 23:27:25,157 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 23:27:25,165 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 23:27:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 23:27:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 23:27:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 23:27:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 23:27:25,277 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 23:27:25,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 23:27:25,397 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 23:27:25,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 23:27:25,402 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 23:27:25,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:25 BoogieIcfgContainer [2022-01-10 23:27:25,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 23:27:25,404 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 23:27:25,404 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 23:27:25,406 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 23:27:25,408 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:25" (1/1) ... [2022-01-10 23:27:25,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:27:25 BasicIcfg [2022-01-10 23:27:25,479 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 23:27:25,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 23:27:25,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 23:27:25,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 23:27:25,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:27:24" (1/4) ... [2022-01-10 23:27:25,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf87360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:27:25, skipping insertion in model container [2022-01-10 23:27:25,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:25" (2/4) ... [2022-01-10 23:27:25,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf87360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:27:25, skipping insertion in model container [2022-01-10 23:27:25,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:25" (3/4) ... [2022-01-10 23:27:25,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf87360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:27:25, skipping insertion in model container [2022-01-10 23:27:25,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:27:25" (4/4) ... [2022-01-10 23:27:25,485 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.iTransformedIcfg [2022-01-10 23:27:25,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 23:27:25,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 23:27:25,548 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 23:27:25,555 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 23:27:25,556 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 23:27:25,565 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 23:27:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:25,568 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:25,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:25,569 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 23:27:25,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:25,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47225741] [2022-01-10 23:27:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:25,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:27:25,701 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 23:27:25,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:27:25,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47225741] [2022-01-10 23:27:25,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47225741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:27:25,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:27:25,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 23:27:25,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163886693] [2022-01-10 23:27:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:27:25,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 23:27:25,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:27:25,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 23:27:25,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 23:27:25,737 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 23:27:25,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:27:25,746 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 23:27:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 23:27:25,748 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 23:27:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:27:25,762 INFO L225 Difference]: With dead ends: 19 [2022-01-10 23:27:25,763 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 23:27:25,765 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 23:27:25,769 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 23:27:25,770 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 23:27:25,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 23:27:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 23:27:25,793 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 23:27:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 23:27:25,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 23:27:25,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:27:25,795 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 23:27:25,795 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 23:27:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 23:27:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:25,796 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:25,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:25,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 23:27:25,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:25,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:25,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 23:27:25,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:25,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334404360] [2022-01-10 23:27:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:25,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:25,819 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 23:27:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:25,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 23:27:25,843 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 23:27:25,844 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 23:27:25,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 23:27:25,849 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 23:27:25,851 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 23:27:25,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:27:25 BasicIcfg [2022-01-10 23:27:25,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 23:27:25,868 INFO L158 Benchmark]: Toolchain (without parser) took 1133.37ms. Allocated memory was 184.5MB in the beginning and 319.8MB in the end (delta: 135.3MB). Free memory was 127.0MB in the beginning and 253.4MB in the end (delta: -126.5MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,868 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 23:27:25,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.16ms. Allocated memory was 184.5MB in the beginning and 319.8MB in the end (delta: 135.3MB). Free memory was 126.7MB in the beginning and 292.2MB in the end (delta: -165.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.34ms. Allocated memory is still 319.8MB. Free memory was 291.7MB in the beginning and 290.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,869 INFO L158 Benchmark]: Boogie Preprocessor took 27.84ms. Allocated memory is still 319.8MB. Free memory was 290.5MB in the beginning and 289.6MB in the end (delta: 904.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,870 INFO L158 Benchmark]: RCFGBuilder took 268.36ms. Allocated memory is still 319.8MB. Free memory was 289.1MB in the beginning and 279.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,870 INFO L158 Benchmark]: IcfgTransformer took 75.61ms. Allocated memory is still 319.8MB. Free memory was 279.6MB in the beginning and 277.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,870 INFO L158 Benchmark]: TraceAbstraction took 387.16ms. Allocated memory is still 319.8MB. Free memory was 277.0MB in the beginning and 253.4MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:25,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 337.16ms. Allocated memory was 184.5MB in the beginning and 319.8MB in the end (delta: 135.3MB). Free memory was 126.7MB in the beginning and 292.2MB in the end (delta: -165.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.34ms. Allocated memory is still 319.8MB. Free memory was 291.7MB in the beginning and 290.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.84ms. Allocated memory is still 319.8MB. Free memory was 290.5MB in the beginning and 289.6MB in the end (delta: 904.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 268.36ms. Allocated memory is still 319.8MB. Free memory was 289.1MB in the beginning and 279.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 75.61ms. Allocated memory is still 319.8MB. Free memory was 279.6MB in the beginning and 277.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 387.16ms. Allocated memory is still 319.8MB. Free memory was 277.0MB in the beginning and 253.4MB 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: 0.1s, 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, 0.0s 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 23:27:25,902 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...