/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_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 23:27:22,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 23:27:22,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 23:27:23,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 23:27:23,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 23:27:23,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 23:27:23,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 23:27:23,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 23:27:23,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 23:27:23,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 23:27:23,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 23:27:23,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 23:27:23,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 23:27:23,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 23:27:23,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 23:27:23,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 23:27:23,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 23:27:23,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 23:27:23,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 23:27:23,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 23:27:23,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 23:27:23,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 23:27:23,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 23:27:23,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 23:27:23,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 23:27:23,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 23:27:23,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 23:27:23,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 23:27:23,084 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 23:27:23,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 23:27:23,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 23:27:23,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 23:27:23,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 23:27:23,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 23:27:23,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 23:27:23,114 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 23:27:23,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 23:27:23,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 23:27:23,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 23:27:23,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 23:27:23,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 23:27:23,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 23:27:23,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 23:27:23,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 23:27:23,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 23:27:23,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 23:27:23,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 23:27:23,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 23:27:23,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 23:27:23,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 23:27:23,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:23,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 23:27:23,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 23:27:23,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 23:27:23,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 23:27:23,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 23:27:23,133 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 23:27:23,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 23:27:23,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 23:27:23,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 23:27:23,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 23:27:23,135 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 23:27:23,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 23:27:23,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 23:27:23,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 23:27:23,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 23:27:23,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 23:27:23,484 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 23:27:23,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_2.i [2022-01-10 23:27:23,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90aa6333e/6993c381a1d44496aa6a0479b958b2bf/FLAG63fbeaa67 [2022-01-10 23:27:23,932 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 23:27:23,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_2.i [2022-01-10 23:27:23,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90aa6333e/6993c381a1d44496aa6a0479b958b2bf/FLAG63fbeaa67 [2022-01-10 23:27:23,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90aa6333e/6993c381a1d44496aa6a0479b958b2bf [2022-01-10 23:27:23,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 23:27:23,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 23:27:23,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:23,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 23:27:23,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 23:27:23,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:23" (1/1) ... [2022-01-10 23:27:23,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8ae219 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 23:27:23,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:27:23" (1/1) ... [2022-01-10 23:27:23,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 23:27:23,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:27:24,122 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_2.i[1641,1654] [2022-01-10 23:27:24,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:24,147 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 23:27:24,156 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_2.i[1641,1654] [2022-01-10 23:27:24,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:27:24,165 INFO L208 MainTranslator]: Completed translation [2022-01-10 23:27:24,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:27:24 WrapperNode [2022-01-10 23:27:24,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 23:27:24,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:24,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 23:27:24,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 23:27:24,171 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 23:27:24,177 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 23:27:24,187 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 23:27:24,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 23:27:24,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 23:27:24,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 23:27:24,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 23:27:24,193 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 23:27:24,193 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 23:27:24,195 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 23:27:24,195 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 23:27:24,198 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 23:27:24,199 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 23:27:24,199 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 23:27:24,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 23:27:24,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 23:27:24,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 23:27:24,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 23:27:24,202 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 23:27:24,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:27:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 23:27:24,232 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 23:27:24,253 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 23:27:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 23:27:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 23:27:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 23:27:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 23:27:24,329 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 23:27:24,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 23:27:24,397 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 23:27:24,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 23:27:24,401 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 23:27:24,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:24 BoogieIcfgContainer [2022-01-10 23:27:24,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 23:27:24,402 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 23:27:24,402 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 23:27:24,404 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 23:27:24,406 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 23:27:24,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:27:24 BasicIcfg [2022-01-10 23:27:24,480 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 23:27:24,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 23:27:24,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 23:27:24,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 23:27:24,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:27:23" (1/4) ... [2022-01-10 23:27:24,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c2fddb 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 23:27:24,484 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 23:27:24,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c2fddb 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 23:27:24,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:27:24" (3/4) ... [2022-01-10 23:27:24,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c2fddb 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 23:27:24,484 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 23:27:24,485 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.iTransformedIcfg [2022-01-10 23:27:24,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 23:27:24,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 23:27:24,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 23:27:24,562 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 23:27:24,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 23:27:24,572 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 23:27:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:24,576 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:24,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:24,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 23:27:24,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:24,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212725009] [2022-01-10 23:27:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:24,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:27:24,713 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 23:27:24,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:27:24,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212725009] [2022-01-10 23:27:24,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212725009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:27:24,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:27:24,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 23:27:24,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534842977] [2022-01-10 23:27:24,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:27:24,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 23:27:24,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:27:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 23:27:24,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 23:27:24,736 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 23:27:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:27:24,743 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 23:27:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 23:27:24,749 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 23:27:24,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:27:24,760 INFO L225 Difference]: With dead ends: 19 [2022-01-10 23:27:24,761 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 23:27:24,762 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 23:27:24,767 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 23:27:24,769 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 23:27:24,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 23:27:24,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 23:27:24,786 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 23:27:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 23:27:24,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 23:27:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:27:24,788 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 23:27:24,788 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 23:27:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 23:27:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 23:27:24,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:27:24,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 23:27:24,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 23:27:24,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:27:24,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:27:24,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 23:27:24,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:27:24,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974981921] [2022-01-10 23:27:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:27:24,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:27:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:24,818 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 23:27:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 23:27:24,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 23:27:24,861 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 23:27:24,863 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 23:27:24,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 23:27:24,866 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 23:27:24,868 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 23:27:24,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:27:24 BasicIcfg [2022-01-10 23:27:24,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 23:27:24,908 INFO L158 Benchmark]: Toolchain (without parser) took 952.00ms. Allocated memory is still 163.6MB. Free memory was 108.8MB in the beginning and 101.1MB in the end (delta: 7.7MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,909 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 163.6MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 23:27:24,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.17ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 138.5MB in the end (delta: -29.9MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.00ms. Allocated memory is still 163.6MB. Free memory was 138.5MB in the beginning and 136.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,919 INFO L158 Benchmark]: Boogie Preprocessor took 12.58ms. Allocated memory is still 163.6MB. Free memory was 136.8MB in the beginning and 135.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,923 INFO L158 Benchmark]: RCFGBuilder took 200.99ms. Allocated memory is still 163.6MB. Free memory was 135.7MB in the beginning and 127.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,923 INFO L158 Benchmark]: IcfgTransformer took 77.62ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,923 INFO L158 Benchmark]: TraceAbstraction took 426.23ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 101.1MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 23:27:24,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 163.6MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 209.17ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 138.5MB in the end (delta: -29.9MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.00ms. Allocated memory is still 163.6MB. Free memory was 138.5MB in the beginning and 136.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.58ms. Allocated memory is still 163.6MB. Free memory was 136.8MB in the beginning and 135.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 200.99ms. Allocated memory is still 163.6MB. Free memory was 135.7MB in the beginning and 127.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 77.62ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 426.23ms. Allocated memory is still 163.6MB. Free memory was 124.5MB in the beginning and 101.1MB in the end (delta: 23.3MB). 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 <= 1.0f && result >= -1.0f) [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 23:27:24,963 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...