/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:55:09,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:55:09,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:55:09,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:55:09,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:55:09,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:55:09,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:55:09,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:55:09,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:55:09,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:55:09,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:55:09,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:55:09,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:55:09,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:55:09,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:55:09,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:55:09,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:55:09,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:55:09,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:55:09,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:55:09,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:55:09,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:55:09,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:55:09,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:55:09,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 11:55:09,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 11:55:09,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 11:55:09,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 11:55:09,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 11:55:09,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 11:55:09,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:55:09,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:55:09,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:55:09,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:55:09,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:55:09,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:55:09,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:55:09,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:55:09,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:55:09,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:55:09,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:55:09,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:55:09,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:55:09,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:55:09,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:55:09,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:55:09,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:55:09,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:55:09,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:55:09,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:55:09,509 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:55:09,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:55:09,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:55:09,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:55:09,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:55:09,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:55:09,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:55:09,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:55:09,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:55:09,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:55:09,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:55:09,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:55:09,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:55:09,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:55:09,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:55:09,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:55:09,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:55:09,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:55:09,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:55:09,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:55:09,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:55:09,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:55:09,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:55:09,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:55:09,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:55:09,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:55:09,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:55:09,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:55:09,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:55:09,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:55:09,948 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:55:09,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2022-10-16 11:55:10,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a1e909c/d796ba5714d7408c8155d16d74f26e4b/FLAGcbf1099fe [2022-10-16 11:55:10,802 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:55:10,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2022-10-16 11:55:10,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a1e909c/d796ba5714d7408c8155d16d74f26e4b/FLAGcbf1099fe [2022-10-16 11:55:11,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a1e909c/d796ba5714d7408c8155d16d74f26e4b [2022-10-16 11:55:11,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:55:11,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:55:11,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:55:11,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:55:11,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:55:11,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16383568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11, skipping insertion in model container [2022-10-16 11:55:11,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:55:11,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:55:11,345 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-1.c[722,735] [2022-10-16 11:55:11,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:55:11,458 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:55:11,473 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-1.c[722,735] [2022-10-16 11:55:11,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:55:11,607 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:55:11,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11 WrapperNode [2022-10-16 11:55:11,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:55:11,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:55:11,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:55:11,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:55:11,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,700 INFO L138 Inliner]: procedures = 21, calls = 380, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 428 [2022-10-16 11:55:11,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:55:11,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:55:11,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:55:11,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:55:11,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:55:11,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:55:11,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:55:11,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:55:11,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (1/1) ... [2022-10-16 11:55:11,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:55:11,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:55:11,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 11:55:11,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 11:55:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:55:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-10-16 11:55:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-10-16 11:55:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:55:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-10-16 11:55:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-10-16 11:55:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-10-16 11:55:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-10-16 11:55:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 11:55:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:55:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:55:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 11:55:11,992 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:55:11,995 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:55:12,552 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:55:12,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:55:12,561 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 11:55:12,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:12 BoogieIcfgContainer [2022-10-16 11:55:12,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:55:12,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:55:12,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:55:12,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:55:12,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:55:11" (1/3) ... [2022-10-16 11:55:12,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d00cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:12, skipping insertion in model container [2022-10-16 11:55:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:11" (2/3) ... [2022-10-16 11:55:12,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d00cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:12, skipping insertion in model container [2022-10-16 11:55:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:12" (3/3) ... [2022-10-16 11:55:12,574 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2022-10-16 11:55:12,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:55:12,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 11:55:12,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:55:12,669 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;@480600be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:55:12,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 11:55:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 35 states have internal predecessors, (41), 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) [2022-10-16 11:55:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:55:12,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:55:12,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:55:12,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [SIN_0_180Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, SIN_0_180Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, SIN_0_180Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 11:55:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:55:12,693 INFO L85 PathProgramCache]: Analyzing trace with hash 265784961, now seen corresponding path program 1 times [2022-10-16 11:55:12,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:55:12,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613816691] [2022-10-16 11:55:12,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:55:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:55:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 11:55:12,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 11:55:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 11:55:13,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 11:55:13,104 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 11:55:13,106 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-16 11:55:13,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-16 11:55:13,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-16 11:55:13,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-16 11:55:13,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:55:13,118 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-16 11:55:13,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 11:55:13,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:55:13 BoogieIcfgContainer [2022-10-16 11:55:13,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 11:55:13,179 INFO L158 Benchmark]: Toolchain (without parser) took 2042.32ms. Allocated memory is still 159.4MB. Free memory was 132.5MB in the beginning and 85.8MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,180 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 129.5MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:55:13,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.22ms. Allocated memory is still 159.4MB. Free memory was 132.3MB in the beginning and 112.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.96ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 108.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,183 INFO L158 Benchmark]: Boogie Preprocessor took 78.73ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 137.7MB in the end (delta: -29.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,183 INFO L158 Benchmark]: RCFGBuilder took 783.15ms. Allocated memory is still 159.4MB. Free memory was 137.7MB in the beginning and 113.6MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,184 INFO L158 Benchmark]: TraceAbstraction took 611.91ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 85.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-10-16 11:55:13,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.6MB in the beginning and 129.5MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 463.22ms. Allocated memory is still 159.4MB. Free memory was 132.3MB in the beginning and 112.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 90.96ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 108.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.73ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 137.7MB in the end (delta: -29.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 783.15ms. Allocated memory is still 159.4MB. Free memory was 137.7MB in the beginning and 113.6MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 611.91ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 85.8MB 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: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur 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 }; 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)=2147483651, T={4:0}, x=2147483651] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [\old(x)=2147483648, T={4:0}, x=2147483648] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [\old(x)=2147483649, T={4:0}, x=2147483649] [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] i >= 0 && i+1 < sizeof(T)/sizeof(T[0]) VAL [\old(x)=2147483650, i=2147483647, i >= 0 && i+1 < sizeof(T)/sizeof(T[0])=1, T={4:0}, x=2147483650] [L125] i+1 VAL [\old(x)=2147483650, i=2147483647, i >= 0 && i+1 < sizeof(T)/sizeof(T[0])=1, T={4:0}, x=2147483650] - UnprovableResult [Line: 125]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=45occurred 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 [2022-10-16 11:55:13,260 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...