/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_LAZY.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_8.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:37:45,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:37:45,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:37:45,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 17:37:45,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:37:45,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:37:45,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:37:45,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:37:45,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:37:45,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:37:45,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:37:45,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:37:45,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:37:45,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:37:45,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:37:45,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:37:45,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 17:37:45,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 17:37:45,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 17:37:45,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 17:37:45,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 17:37:45,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 17:37:45,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 17:37:45,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 17:37:45,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 17:37:45,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 17:37:45,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 17:37:45,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 17:37:45,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 17:37:45,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 17:37:45,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:37:45,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:37:45,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:37:45,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 17:37:45,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:37:45,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:37:45,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:37:45,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:37:45,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:37:45,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:37:45,611 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:37:45,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:37:45,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:37:45,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:37:45,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:37:45,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:37:45,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:37:45,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:37:45,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:45,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:37:45,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:37:45,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:37:45,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:37:45,617 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:37:45,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:37:45,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:37:45,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:37:45,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:37:45,852 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:37:45,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_8.i [2022-01-10 17:37:45,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b173e48/eac7e132e3374008accbae98abfa6aa1/FLAGb9de14c93 [2022-01-10 17:37:46,286 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:37:46,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_8.i [2022-01-10 17:37:46,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b173e48/eac7e132e3374008accbae98abfa6aa1/FLAGb9de14c93 [2022-01-10 17:37:46,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b173e48/eac7e132e3374008accbae98abfa6aa1 [2022-01-10 17:37:46,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:37:46,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:37:46,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:46,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:37:46,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:37:46,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783711f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46, skipping insertion in model container [2022-01-10 17:37:46,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:37:46,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:37:46,505 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_8.i[1641,1654] [2022-01-10 17:37:46,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:46,518 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:37:46,534 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_8.i[1641,1654] [2022-01-10 17:37:46,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:37:46,552 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:37:46,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46 WrapperNode [2022-01-10 17:37:46,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:37:46,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:46,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:37:46,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:37:46,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,575 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-01-10 17:37:46,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:37:46,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:37:46,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:37:46,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:37:46,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:37:46,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:37:46,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:37:46,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:37:46,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:37:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:37:46,626 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 17:37:46,644 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 17:37:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:37:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:37:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:37:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:37:46,701 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:37:46,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:37:46,806 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:37:46,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:37:46,810 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 17:37:46,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:46 BoogieIcfgContainer [2022-01-10 17:37:46,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:37:46,812 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:37:46,812 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:37:46,814 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:37:46,816 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:46" (1/1) ... [2022-01-10 17:37:46,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:46 BasicIcfg [2022-01-10 17:37:46,875 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:37:46,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:37:46,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:37:46,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:37:46,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:37:46" (1/4) ... [2022-01-10 17:37:46,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79766292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:46, skipping insertion in model container [2022-01-10 17:37:46,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:37:46" (2/4) ... [2022-01-10 17:37:46,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79766292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:37:46, skipping insertion in model container [2022-01-10 17:37:46,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:37:46" (3/4) ... [2022-01-10 17:37:46,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79766292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:46, skipping insertion in model container [2022-01-10 17:37:46,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:37:46" (4/4) ... [2022-01-10 17:37:46,880 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_8.iTransformedIcfg [2022-01-10 17:37:46,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:37:46,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 17:37:46,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:37:46,913 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 17:37:46,913 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 17:37:46,922 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 17:37:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:46,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:46,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:46,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:46,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1539326822, now seen corresponding path program 1 times [2022-01-10 17:37:46,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:46,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896866886] [2022-01-10 17:37:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:46,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:37:47,116 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 17:37:47,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:37:47,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896866886] [2022-01-10 17:37:47,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896866886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:37:47,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:37:47,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 17:37:47,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230931743] [2022-01-10 17:37:47,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:37:47,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 17:37:47,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:37:47,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 17:37:47,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:37:47,168 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 17:37:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:37:47,192 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-01-10 17:37:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 17:37:47,195 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 17:37:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:37:47,199 INFO L225 Difference]: With dead ends: 19 [2022-01-10 17:37:47,199 INFO L226 Difference]: Without dead ends: 7 [2022-01-10 17:37:47,201 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 17:37:47,204 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 17:37:47,204 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 17:37:47,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-01-10 17:37:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-01-10 17:37:47,242 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 17:37:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-01-10 17:37:47,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-01-10 17:37:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:37:47,261 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-01-10 17:37:47,261 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 17:37:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-01-10 17:37:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 17:37:47,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:37:47,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 17:37:47,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:37:47,264 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:37:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:37:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1539356613, now seen corresponding path program 1 times [2022-01-10 17:37:47,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:37:47,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714302881] [2022-01-10 17:37:47,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:37:47,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:37:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:47,316 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 17:37:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:37:47,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 17:37:47,374 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 17:37:47,375 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 17:37:47,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:37:47,398 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 17:37:47,401 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 17:37:47,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:37:47 BasicIcfg [2022-01-10 17:37:47,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 17:37:47,428 INFO L158 Benchmark]: Toolchain (without parser) took 1115.57ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 104.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,429 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 17:37:47,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.64ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 141.5MB in the end (delta: -25.5MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.28ms. Allocated memory is still 165.7MB. Free memory was 141.5MB in the beginning and 139.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,432 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 165.7MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,434 INFO L158 Benchmark]: RCFGBuilder took 208.20ms. Allocated memory is still 165.7MB. Free memory was 138.8MB in the beginning and 130.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,434 INFO L158 Benchmark]: IcfgTransformer took 62.42ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,435 INFO L158 Benchmark]: TraceAbstraction took 551.53ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 104.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 17:37:47,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.64ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 141.5MB in the end (delta: -25.5MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.28ms. Allocated memory is still 165.7MB. Free memory was 141.5MB in the beginning and 139.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 165.7MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.20ms. Allocated memory is still 165.7MB. Free memory was 138.8MB in the beginning and 130.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 62.42ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 551.53ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 104.2MB 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 <= 2.0f && result >= -2.0f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-10 17:37:47,472 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...