./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:51:03,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:51:03,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:51:03,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:51:03,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:51:03,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:51:03,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:51:03,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:51:03,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:51:03,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:51:03,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:51:03,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:51:03,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:51:03,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:51:03,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:51:03,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:51:03,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:51:03,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:51:03,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:51:03,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:51:03,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:51:03,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:51:03,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:51:03,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:51:03,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:51:03,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:51:03,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:51:03,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:51:03,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:51:03,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:51:03,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:51:03,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:51:03,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:51:03,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:51:03,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:51:03,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:51:03,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:51:03,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:51:03,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:51:03,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:51:03,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:51:03,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 11:51:03,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:51:03,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:51:03,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:51:03,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:51:03,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:51:03,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:51:03,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:51:03,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:51:03,595 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:51:03,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:51:03,595 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:51:03,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:51:03,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:51:03,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:51:03,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:51:03,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:51:03,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:51:03,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:51:03,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:51:03,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:51:03,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:51:03,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2021-12-21 11:51:03,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:51:03,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:51:03,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:51:03,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:51:03,773 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:51:03,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-12-21 11:51:03,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab1da5e9/262c2c757ed54bd5b488859ad5668c34/FLAGf2065737f [2021-12-21 11:51:04,180 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:51:04,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-12-21 11:51:04,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab1da5e9/262c2c757ed54bd5b488859ad5668c34/FLAGf2065737f [2021-12-21 11:51:04,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab1da5e9/262c2c757ed54bd5b488859ad5668c34 [2021-12-21 11:51:04,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:51:04,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:51:04,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:51:04,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:51:04,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:51:04,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ee64fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04, skipping insertion in model container [2021-12-21 11:51:04,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:51:04,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:51:04,795 WARN L230 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-2.c[716,729] [2021-12-21 11:51:04,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:51:04,862 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:51:04,869 WARN L230 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-2.c[716,729] [2021-12-21 11:51:04,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:51:04,919 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:51:04,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04 WrapperNode [2021-12-21 11:51:04,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:51:04,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:51:04,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:51:04,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:51:04,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,969 INFO L137 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 421 [2021-12-21 11:51:04,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:51:04,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:51:04,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:51:04,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:51:04,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:04,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:05,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:05,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:51:05,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:51:05,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:51:05,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:51:05,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (1/1) ... [2021-12-21 11:51:05,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:51:05,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:51:05,048 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) [2021-12-21 11:51:05,050 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 [2021-12-21 11:51:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:51:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-21 11:51:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-21 11:51:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:51:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-21 11:51:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-21 11:51:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-21 11:51:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-21 11:51:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 11:51:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:51:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:51:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 11:51:05,133 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:51:05,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:51:05,326 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:51:05,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:51:05,329 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 11:51:05,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:51:05 BoogieIcfgContainer [2021-12-21 11:51:05,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:51:05,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:51:05,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:51:05,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:51:05,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:51:04" (1/3) ... [2021-12-21 11:51:05,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fdfafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:51:05, skipping insertion in model container [2021-12-21 11:51:05,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:04" (2/3) ... [2021-12-21 11:51:05,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fdfafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:51:05, skipping insertion in model container [2021-12-21 11:51:05,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:51:05" (3/3) ... [2021-12-21 11:51:05,336 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2021-12-21 11:51:05,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:51:05,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:51:05,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:51:05,406 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 [2021-12-21 11:51:05,416 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:51:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-21 11:51:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-21 11:51:05,445 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:51:05,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:51:05,446 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:51:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:51:05,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2021-12-21 11:51:05,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:51:05,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981535614] [2021-12-21 11:51:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:51:05,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:51:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:51:05,579 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 11:51:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:51:05,637 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 11:51:05,638 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 11:51:05,639 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:51:05,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:51:05,643 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 11:51:05,644 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:51:05,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:51:05 BoogieIcfgContainer [2021-12-21 11:51:05,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:51:05,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:51:05,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:51:05,664 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:51:05,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:51:05" (3/4) ... [2021-12-21 11:51:05,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 11:51:05,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:51:05,667 INFO L158 Benchmark]: Toolchain (without parser) took 1022.37ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 70.7MB in the end (delta: -6.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-21 11:51:05,667 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:51:05,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.12ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 63.5MB in the end (delta: 355.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 11:51:05,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.62ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 59.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 11:51:05,668 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 55.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 11:51:05,669 INFO L158 Benchmark]: RCFGBuilder took 325.72ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 36.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 11:51:05,669 INFO L158 Benchmark]: TraceAbstraction took 331.12ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 35.5MB in the beginning and 71.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:51:05,669 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 119.5MB. Free memory was 71.4MB in the beginning and 70.7MB in the end (delta: 697.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:51:05,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.12ms. Allocated memory is still 98.6MB. Free memory was 63.8MB in the beginning and 63.5MB in the end (delta: 355.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.62ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 59.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 55.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 325.72ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 36.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 331.12ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 35.5MB in the beginning and 71.4MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 119.5MB. Free memory was 71.4MB in the beginning and 70.7MB in the end (delta: 697.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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[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 }; VAL [T={4:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L16] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, T={4:0}] [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L157] CALL SIN(a) [L146] COND TRUE x<0 VAL [\old(x)=2900, T={4:0}, x=2900] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [\old(x)=2897, T={4:0}, x=2897] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [\old(x)=2898, T={4:0}, x=2898] [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 [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L18] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=36occurred 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, 15 NumberOfCodeBlocks, 15 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 [2021-12-21 11:51:05,709 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:51:07,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:51:07,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:51:07,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:51:07,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:51:07,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:51:07,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:51:07,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:51:07,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:51:07,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:51:07,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:51:07,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:51:07,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:51:07,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:51:07,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:51:07,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:51:07,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:51:07,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:51:07,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:51:07,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:51:07,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:51:07,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:51:07,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:51:07,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:51:07,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:51:07,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:51:07,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:51:07,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:51:07,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:51:07,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:51:07,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:51:07,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:51:07,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:51:07,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:51:07,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:51:07,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:51:07,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:51:07,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:51:07,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:51:07,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:51:07,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:51:07,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 11:51:07,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:51:07,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:51:07,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:51:07,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:51:07,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:51:07,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:51:07,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:51:07,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:51:07,465 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:51:07,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:51:07,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:51:07,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:51:07,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:51:07,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:51:07,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:51:07,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:51:07,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:51:07,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:51:07,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:51:07,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:51:07,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 11:51:07,470 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2021-12-21 11:51:07,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:51:07,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:51:07,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:51:07,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:51:07,728 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:51:07,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-12-21 11:51:07,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052ac3192/dc462d9f10b8458c90a2277ec6c0585c/FLAG6ebaa3987 [2021-12-21 11:51:08,136 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:51:08,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2021-12-21 11:51:08,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052ac3192/dc462d9f10b8458c90a2277ec6c0585c/FLAG6ebaa3987 [2021-12-21 11:51:08,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052ac3192/dc462d9f10b8458c90a2277ec6c0585c [2021-12-21 11:51:08,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:51:08,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:51:08,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:51:08,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:51:08,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:51:08,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cee0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08, skipping insertion in model container [2021-12-21 11:51:08,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:51:08,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:51:08,300 WARN L230 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-2.c[716,729] [2021-12-21 11:51:08,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:51:08,424 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:51:08,434 WARN L230 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-2.c[716,729] [2021-12-21 11:51:08,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:51:08,514 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:51:08,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08 WrapperNode [2021-12-21 11:51:08,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:51:08,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:51:08,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:51:08,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:51:08,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,564 INFO L137 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 422 [2021-12-21 11:51:08,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:51:08,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:51:08,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:51:08,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:51:08,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:51:08,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:51:08,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:51:08,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:51:08,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (1/1) ... [2021-12-21 11:51:08,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:51:08,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:51:08,637 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) [2021-12-21 11:51:08,670 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 [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-21 11:51:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-21 11:51:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-21 11:51:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-21 11:51:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-21 11:51:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-21 11:51:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:51:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:51:08,727 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:51:08,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:51:12,200 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:51:12,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:51:12,204 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 11:51:12,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:51:12 BoogieIcfgContainer [2021-12-21 11:51:12,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:51:12,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:51:12,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:51:12,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:51:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:51:08" (1/3) ... [2021-12-21 11:51:12,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184e31d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:51:12, skipping insertion in model container [2021-12-21 11:51:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:51:08" (2/3) ... [2021-12-21 11:51:12,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184e31d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:51:12, skipping insertion in model container [2021-12-21 11:51:12,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:51:12" (3/3) ... [2021-12-21 11:51:12,210 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2021-12-21 11:51:12,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:51:12,214 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:51:12,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:51:12,247 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 [2021-12-21 11:51:12,247 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:51:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-21 11:51:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-21 11:51:12,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:51:12,259 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:51:12,259 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:51:12,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:51:12,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2021-12-21 11:51:12,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 11:51:12,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729824817] [2021-12-21 11:51:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:51:12,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 11:51:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 11:51:12,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 11:51:12,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process