/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:44:08,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:44:08,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:44:08,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:44:08,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:44:08,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:44:08,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:44:08,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:44:08,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:44:08,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:44:08,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:44:08,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:44:08,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:44:08,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:44:08,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:44:08,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:44:08,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:44:08,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:44:08,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:44:08,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:44:08,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:44:08,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:44:08,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:44:08,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:44:08,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 22:44:08,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:44:08,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:44:08,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:44:08,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:44:08,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:44:08,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:44:08,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:44:08,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:44:08,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:44:08,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:44:08,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:44:08,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:44:08,595 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:44:08,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:44:08,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:44:08,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:44:08,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:44:08,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:44:08,597 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:44:08,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:44:08,597 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:44:08,597 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:44:08,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:44:08,598 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:44:08,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:44:08,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:44:08,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:44:08,600 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:44:08,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:44:08,600 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:44:08,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:44:08,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:44:08,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:44:08,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:44:08,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:44:08,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:44:08,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:44:08,789 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:44:08,789 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:44:08,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-03-31 22:44:09,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:44:09,879 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:44:09,879 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-03-31 22:44:09,885 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17743148/d0eb59d132414892bca15bb45cd7890d/FLAG85ae26be5 [2023-03-31 22:44:09,897 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17743148/d0eb59d132414892bca15bb45cd7890d [2023-03-31 22:44:09,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:44:09,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:44:09,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:44:09,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:44:09,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:44:09,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:44:09" (1/1) ... [2023-03-31 22:44:09,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d4ae55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:09, skipping insertion in model container [2023-03-31 22:44:09,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:44:09" (1/1) ... [2023-03-31 22:44:09,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:44:09,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:44:10,009 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-03-31 22:44:10,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:44:10,062 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:44:10,070 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-03-31 22:44:10,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:44:10,129 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:44:10,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10 WrapperNode [2023-03-31 22:44:10,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:44:10,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:44:10,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:44:10,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:44:10,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,192 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:44:10,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:44:10,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:44:10,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:44:10,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (1/1) ... [2023-03-31 22:44:10,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:44:10,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:44:10,235 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) [2023-03-31 22:44:10,241 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 [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2023-03-31 22:44:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2023-03-31 22:44:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2023-03-31 22:44:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2023-03-31 22:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 22:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:44:10,351 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:44:10,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:44:10,591 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:44:10,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:44:10,628 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 22:44:10,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:44:10 BoogieIcfgContainer [2023-03-31 22:44:10,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:44:10,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:44:10,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:44:10,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:44:10,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:44:09" (1/3) ... [2023-03-31 22:44:10,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ad21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:44:10, skipping insertion in model container [2023-03-31 22:44:10,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:44:10" (2/3) ... [2023-03-31 22:44:10,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115ad21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:44:10, skipping insertion in model container [2023-03-31 22:44:10,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:44:10" (3/3) ... [2023-03-31 22:44:10,641 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2023-03-31 22:44:10,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:44:10,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:44:10,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:44:10,696 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18f915cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:44:10,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:44:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 27 states have internal predecessors, (31), 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) [2023-03-31 22:44:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-03-31 22:44:10,706 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:44:10,706 INFO L195 NwaCegarLoop]: 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] [2023-03-31 22:44:10,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:44:10,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:44:10,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1448571222, now seen corresponding path program 1 times [2023-03-31 22:44:10,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:44:10,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645592444] [2023-03-31 22:44:10,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:44:10,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:44:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:44:10,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 22:44:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 22:44:10,965 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-03-31 22:44:10,966 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 22:44:10,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:44:10,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:44:10,974 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-31 22:44:10,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:44:11,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:44:11 BoogieIcfgContainer [2023-03-31 22:44:11,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:44:11,004 INFO L158 Benchmark]: Toolchain (without parser) took 1102.39ms. Allocated memory is still 334.5MB. Free memory was 293.0MB in the beginning and 209.1MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2023-03-31 22:44:11,004 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:44:11,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.50ms. Allocated memory is still 334.5MB. Free memory was 293.0MB in the beginning and 273.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-03-31 22:44:11,005 INFO L158 Benchmark]: Boogie Preprocessor took 78.88ms. Allocated memory is still 334.5MB. Free memory was 273.6MB in the beginning and 269.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 22:44:11,005 INFO L158 Benchmark]: RCFGBuilder took 420.10ms. Allocated memory is still 334.5MB. Free memory was 269.9MB in the beginning and 236.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-03-31 22:44:11,009 INFO L158 Benchmark]: TraceAbstraction took 371.69ms. Allocated memory is still 334.5MB. Free memory was 236.4MB in the beginning and 209.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-31 22:44:11,011 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 188.7MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.50ms. Allocated memory is still 334.5MB. Free memory was 293.0MB in the beginning and 273.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.88ms. Allocated memory is still 334.5MB. Free memory was 273.6MB in the beginning and 269.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 420.10ms. Allocated memory is still 334.5MB. Free memory was 269.9MB in the beginning and 236.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 371.69ms. Allocated memory is still 334.5MB. Free memory was 236.4MB in the beginning and 209.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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: 18]: 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 122, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[361] = { 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 }; [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) VAL [T={4:0}, \old(cond)=1] [L16] COND FALSE !(!cond) [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) VAL [T={4:0}, a=2895] [L157] CALL SIN(a) VAL [T={4:0}, \old(x)=2895] [L146] COND TRUE x<0 VAL [T={4:0}, \old(x)=2895, x=2895] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [T={4:0}, \old(x)=2893, x=2893] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [T={4:0}, \old(x)=2896, x=2896] [L134] CALL SIN_0_180(-x) VAL [T={4:0}] [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i VAL [T={4:0}, \old(x)=2894, x=2894] [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) VAL [T={4:0}, \old(cond)=0] [L18] COND TRUE !(cond) VAL [T={4:0}, \old(cond)=0, cond=0] [L18] reach_error() VAL [T={4:0}, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 49 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, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-03-31 22:44:11,033 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...