/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/float-benchs/sin_interpolated_smallrange.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:16:12,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:16:12,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:16:12,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:16:12,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:16:12,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:16:12,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:16:12,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:16:12,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:16:12,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:16:12,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:16:12,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:16:12,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:16:12,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:16:12,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:16:12,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:16:12,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:16:12,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:16:12,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:16:12,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:16:12,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:16:12,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:16:12,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:16:12,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:16:12,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-01 00:16:12,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-01 00:16:12,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-01 00:16:12,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-01 00:16:12,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-01 00:16:12,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-01 00:16:12,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-01 00:16:12,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-01 00:16:12,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-01 00:16:12,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-01 00:16:12,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-01 00:16:12,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-01 00:16:12,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-01 00:16:12,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-01 00:16:12,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:16:12,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:16:12,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:16:12,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-01 00:16:12,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:16:12,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:16:12,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:16:12,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:16:12,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:16:12,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:16:12,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:16:12,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:16:12,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:16:12,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:16:12,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:16:12,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:16:12,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:16:12,173 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:16:12,174 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:16:12,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:16:12,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:16:12,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:16:12,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:16:12,380 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:16:12,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sin_interpolated_smallrange.c [2022-02-01 00:16:12,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55764a398/d755365eae9c4df09eadde4294ba7983/FLAG357e68509 [2022-02-01 00:16:12,789 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:16:12,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_smallrange.c [2022-02-01 00:16:12,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55764a398/d755365eae9c4df09eadde4294ba7983/FLAG357e68509 [2022-02-01 00:16:12,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55764a398/d755365eae9c4df09eadde4294ba7983 [2022-02-01 00:16:12,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:16:12,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:16:12,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:16:12,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:16:12,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:16:12,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:16:12" (1/1) ... [2022-02-01 00:16:12,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63994605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:12, skipping insertion in model container [2022-02-01 00:16:12,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:16:12" (1/1) ... [2022-02-01 00:16:12,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:16:12,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:16:12,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_smallrange.c[686,699] [2022-02-01 00:16:13,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:16:13,065 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:16:13,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_smallrange.c[686,699] [2022-02-01 00:16:13,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:16:13,130 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:16:13,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13 WrapperNode [2022-02-01 00:16:13,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:16:13,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:16:13,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:16:13,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:16:13,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:16:13,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:16:13,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:16:13,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:16:13,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (1/1) ... [2022-02-01 00:16:13,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:16:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:16:13,270 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) [2022-02-01 00:16:13,330 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 [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-02-01 00:16:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-02-01 00:16:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-02-01 00:16:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2022-02-01 00:16:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:16:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:16:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:16:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:16:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:16:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-02-01 00:16:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-01 00:16:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-01 00:16:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-02-01 00:16:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:16:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-02-01 00:16:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-02-01 00:16:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2022-02-01 00:16:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:16:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:16:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:16:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:16:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:16:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:16:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:16:13,417 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:16:13,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:16:13,632 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:16:13,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:16:13,636 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-01 00:16:13,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:16:13 BoogieIcfgContainer [2022-02-01 00:16:13,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:16:13,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:16:13,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:16:13,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:16:13,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:16:12" (1/3) ... [2022-02-01 00:16:13,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a71660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:16:13, skipping insertion in model container [2022-02-01 00:16:13,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:16:13" (2/3) ... [2022-02-01 00:16:13,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a71660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:16:13, skipping insertion in model container [2022-02-01 00:16:13,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:16:13" (3/3) ... [2022-02-01 00:16:13,643 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_smallrange.c [2022-02-01 00:16:13,647 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:16:13,647 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:16:13,676 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:16:13,682 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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=QVASR [2022-02-01 00:16:13,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:16:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 34 states have internal predecessors, (41), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-01 00:16:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-01 00:16:13,707 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:16:13,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:16:13,708 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:16:13,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:16:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash -628081178, now seen corresponding path program 1 times [2022-02-01 00:16:13,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:16:13,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063290385] [2022-02-01 00:16:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:16:13,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:16:13,754 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:16:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:16:13,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:16:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:16:13,989 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:16:13,990 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:16:13,993 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:16:13,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:16:13,996 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-01 00:16:13,999 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:16:14,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:16:14 BoogieIcfgContainer [2022-02-01 00:16:14,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:16:14,018 INFO L158 Benchmark]: Toolchain (without parser) took 1213.11ms. Allocated memory was 201.3MB in the beginning and 330.3MB in the end (delta: 129.0MB). Free memory was 147.4MB in the beginning and 238.7MB in the end (delta: -91.3MB). Peak memory consumption was 37.8MB. Max. memory is 8.0GB. [2022-02-01 00:16:14,018 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:16:14,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.94ms. Allocated memory was 201.3MB in the beginning and 330.3MB in the end (delta: 129.0MB). Free memory was 147.2MB in the beginning and 292.7MB in the end (delta: -145.5MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-01 00:16:14,020 INFO L158 Benchmark]: Boogie Preprocessor took 71.30ms. Allocated memory is still 330.3MB. Free memory was 292.7MB in the beginning and 288.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-01 00:16:14,020 INFO L158 Benchmark]: RCFGBuilder took 434.24ms. Allocated memory is still 330.3MB. Free memory was 288.4MB in the beginning and 268.0MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-02-01 00:16:14,022 INFO L158 Benchmark]: TraceAbstraction took 378.44ms. Allocated memory is still 330.3MB. Free memory was 267.5MB in the beginning and 238.7MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-02-01 00:16:14,033 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 201.3MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 314.94ms. Allocated memory was 201.3MB in the beginning and 330.3MB in the end (delta: 129.0MB). Free memory was 147.2MB in the beginning and 292.7MB in the end (delta: -145.5MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.30ms. Allocated memory is still 330.3MB. Free memory was 292.7MB in the beginning and 288.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 434.24ms. Allocated memory is still 330.3MB. Free memory was 288.4MB in the beginning and 268.0MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 378.44ms. Allocated memory is still 330.3MB. Free memory was 267.5MB in the beginning and 238.7MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. 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: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 121, overapproximation of someUnaryDOUBLEoperation at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of to_real at line 122. Possible FailurePath: [L20-L112] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; [L148] double a, aa, r; [L150] a = -720 [L150] COND TRUE a <= 720 [L151] aa = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not(aa >= a+0.1 && aa <= a+0.9) [L15] COND FALSE !(!cond) [L152] RET assume_abort_if_not(aa >= a+0.1 && aa <= a+0.9) [L154] CALL, EXPR SIN(aa) [L142] COND TRUE x<0 [L142] CALL, EXPR SIN_POS(-x) [L136] COND TRUE x>180 [L136] CALL, EXPR SIN_180(x-360.*(int)((x+180.)/360.)) [L130] COND FALSE !(x<0) [L131] CALL, EXPR SIN_0_180(x) [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i [L123] EXPR T[i] [L123] v_inf = T[i] [L124] EXPR T[i+1] [L124] v_sup = T[i+1] [L125] return v_inf + (dx - i_dx) * (v_sup - v_inf); [L131] RET, EXPR SIN_0_180(x) [L131] return SIN_0_180(x); [L136] RET, EXPR SIN_180(x-360.*(int)((x+180.)/360.)) [L136] return SIN_180(x-360.*(int)((x+180.)/360.)); [L142] RET, EXPR SIN_POS(-x) [L142] return -SIN_POS(-x); [L154] RET, EXPR SIN(aa) [L154] r = SIN(aa) [L156] CALL __VERIFIER_assert(r >= -1.1 && r <= 1.1) [L17] COND TRUE !(cond) [L17] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 [2022-02-01 00:16:14,059 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...