./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 eb692b52 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-?-eb692b5 [2022-07-19 13:46:23,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:46:23,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:46:23,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:46:23,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:46:23,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:46:23,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:46:23,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:46:23,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:46:23,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:46:23,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:46:23,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:46:23,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:46:23,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:46:23,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:46:23,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:46:23,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:46:23,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:46:23,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:46:23,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:46:23,301 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:46:23,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:46:23,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:46:23,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:46:23,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:46:23,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:46:23,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:46:23,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:46:23,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:46:23,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:46:23,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:46:23,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:46:23,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:46:23,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:46:23,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:46:23,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:46:23,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:46:23,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:46:23,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:46:23,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:46:23,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:46:23,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:46:23,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 13:46:23,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:46:23,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:46:23,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:46:23,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:46:23,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:46:23,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:46:23,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:46:23,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:46:23,366 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:46:23,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:46:23,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:46:23,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 13:46:23,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:46:23,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:46:23,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:46:23,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:46:23,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:46:23,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:46:23,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:46:23,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:46:23,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:46:23,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:46:23,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:46:23,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:46:23,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:46:23,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:46:23,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:46:23,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:46:23,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 13:46:23,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 13:46:23,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:46:23,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:46:23,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:46:23,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2022-07-19 13:46:23,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:46:23,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:46:23,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:46:23,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:46:23,635 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:46:23,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-07-19 13:46:23,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa00d2a0/670c7345e6944a1287ba3b55f904de56/FLAG19fa026ed [2022-07-19 13:46:24,190 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:46:24,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-07-19 13:46:24,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa00d2a0/670c7345e6944a1287ba3b55f904de56/FLAG19fa026ed [2022-07-19 13:46:24,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa00d2a0/670c7345e6944a1287ba3b55f904de56 [2022-07-19 13:46:24,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:46:24,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:46:24,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:46:24,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:46:24,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:46:24,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:24,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4615a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24, skipping insertion in model container [2022-07-19 13:46:24,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:24,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:46:24,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:46:24,791 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] [2022-07-19 13:46:24,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:46:24,905 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:46:24,918 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] [2022-07-19 13:46:24,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:46:24,989 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:46:24,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24 WrapperNode [2022-07-19 13:46:24,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:46:24,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:46:24,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:46:24,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:46:24,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,074 INFO L137 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 421 [2022-07-19 13:46:25,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:46:25,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:46:25,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:46:25,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:46:25,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:46:25,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:46:25,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:46:25,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:46:25,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (1/1) ... [2022-07-19 13:46:25,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:46:25,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:46:25,193 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) [2022-07-19 13:46:25,216 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 [2022-07-19 13:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-07-19 13:46:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-07-19 13:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 13:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-07-19 13:46:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-07-19 13:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-07-19 13:46:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-07-19 13:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-19 13:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:46:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-19 13:46:25,305 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:46:25,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:46:25,609 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:46:25,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:46:25,615 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:46:25,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:46:25 BoogieIcfgContainer [2022-07-19 13:46:25,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:46:25,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:46:25,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:46:25,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:46:25,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:46:24" (1/3) ... [2022-07-19 13:46:25,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2205e86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:46:25, skipping insertion in model container [2022-07-19 13:46:25,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:24" (2/3) ... [2022-07-19 13:46:25,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2205e86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:46:25, skipping insertion in model container [2022-07-19 13:46:25,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:46:25" (3/3) ... [2022-07-19 13:46:25,635 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2022-07-19 13:46:25,647 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:46:25,663 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:46:25,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:46:25,718 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=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1fb48b0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4460dd86 [2022-07-19 13:46:25,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:46:25,722 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) [2022-07-19 13:46:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-19 13:46:25,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:46:25,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:46:25,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:46:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:46:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2022-07-19 13:46:25,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 13:46:25,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878570822] [2022-07-19 13:46:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:46:25,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 13:46:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:46:25,924 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:46:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:46:26,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 13:46:26,006 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:46:26,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:46:26,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 13:46:26,013 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-19 13:46:26,016 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:46:26,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:46:26 BoogieIcfgContainer [2022-07-19 13:46:26,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:46:26,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:46:26,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:46:26,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:46:26,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:46:25" (3/4) ... [2022-07-19 13:46:26,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 13:46:26,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:46:26,050 INFO L158 Benchmark]: Toolchain (without parser) took 1480.55ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 71.3MB in the beginning and 62.3MB in the end (delta: 9.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,050 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:46:26,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.91ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 90.0MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.13ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 85.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,056 INFO L158 Benchmark]: Boogie Preprocessor took 72.58ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,057 INFO L158 Benchmark]: RCFGBuilder took 461.56ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 91.7MB in the end (delta: -9.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,058 INFO L158 Benchmark]: TraceAbstraction took 423.19ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 62.3MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-07-19 13:46:26,058 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 123.7MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:46:26,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.91ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 90.0MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.13ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 85.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.58ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 461.56ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 91.7MB in the end (delta: -9.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 423.19ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 62.3MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 123.7MB. Free memory is still 62.3MB. 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 [2022-07-19 13:46:26,107 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-?-eb692b5 [2022-07-19 13:46:27,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:46:27,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:46:28,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:46:28,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:46:28,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:46:28,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:46:28,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:46:28,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:46:28,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:46:28,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:46:28,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:46:28,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:46:28,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:46:28,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:46:28,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:46:28,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:46:28,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:46:28,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:46:28,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:46:28,071 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:46:28,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:46:28,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:46:28,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:46:28,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:46:28,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:46:28,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:46:28,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:46:28,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:46:28,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:46:28,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:46:28,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:46:28,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:46:28,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:46:28,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:46:28,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:46:28,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:46:28,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:46:28,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:46:28,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:46:28,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:46:28,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:46:28,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 13:46:28,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:46:28,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:46:28,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:46:28,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:46:28,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:46:28,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:46:28,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:46:28,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:46:28,137 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:46:28,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:46:28,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:46:28,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:46:28,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:46:28,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:46:28,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:46:28,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:46:28,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:46:28,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:46:28,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:46:28,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:46:28,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:46:28,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:46:28,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:46:28,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:46:28,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:46:28,142 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 13:46:28,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 13:46:28,142 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:46:28,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:46:28,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:46:28,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 13:46:28,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 931f20aaadf1f22a94d365ccbff31bc47a294b716a2b466ce4fd13d5ed4f85ab [2022-07-19 13:46:28,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:46:28,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:46:28,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:46:28,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:46:28,485 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:46:28,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-07-19 13:46:28,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957de587/04c65ed9ca97431dad3fea7ef3a33350/FLAG0647d578f [2022-07-19 13:46:28,989 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:46:28,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-2.c [2022-07-19 13:46:29,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957de587/04c65ed9ca97431dad3fea7ef3a33350/FLAG0647d578f [2022-07-19 13:46:29,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1957de587/04c65ed9ca97431dad3fea7ef3a33350 [2022-07-19 13:46:29,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:46:29,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:46:29,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:46:29,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:46:29,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:46:29,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:29,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a27b6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29, skipping insertion in model container [2022-07-19 13:46:29,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:29,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:46:29,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:46:29,665 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] [2022-07-19 13:46:29,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:46:29,851 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:46:29,865 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] [2022-07-19 13:46:29,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:46:29,944 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:46:29,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29 WrapperNode [2022-07-19 13:46:29,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:46:29,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:46:29,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:46:29,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:46:29,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:29,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,040 INFO L137 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 422 [2022-07-19 13:46:30,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:46:30,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:46:30,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:46:30,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:46:30,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:46:30,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:46:30,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:46:30,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:46:30,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (1/1) ... [2022-07-19 13:46:30,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:46:30,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:46:30,153 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) [2022-07-19 13:46:30,177 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 [2022-07-19 13:46:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:46:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-19 13:46:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-07-19 13:46:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-07-19 13:46:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 13:46:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-07-19 13:46:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-07-19 13:46:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-07-19 13:46:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-07-19 13:46:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-19 13:46:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:46:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:46:30,281 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:46:30,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:46:33,929 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:46:33,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:46:33,935 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:46:33,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:46:33 BoogieIcfgContainer [2022-07-19 13:46:33,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:46:33,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:46:33,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:46:33,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:46:33,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:46:29" (1/3) ... [2022-07-19 13:46:33,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e224d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:46:33, skipping insertion in model container [2022-07-19 13:46:33,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:46:29" (2/3) ... [2022-07-19 13:46:33,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e224d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:46:33, skipping insertion in model container [2022-07-19 13:46:33,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:46:33" (3/3) ... [2022-07-19 13:46:33,943 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-2.c [2022-07-19 13:46:33,956 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:46:33,956 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:46:33,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:46:33,999 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=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c6aa905, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ec06952 [2022-07-19 13:46:33,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:46:34,003 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) [2022-07-19 13:46:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-19 13:46:34,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:46:34,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:46:34,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:46:34,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:46:34,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2022-07-19 13:46:34,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:46:34,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981930358] [2022-07-19 13:46:34,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:46:34,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:46:34,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:46:34,047 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) [2022-07-19 13:46:34,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process