./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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-1.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 2ea109b3b1244304f107f839926df3cd3a19ab65 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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-1.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 2ea109b3b1244304f107f839926df3cd3a19ab65 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:32:05,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:32:05,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:32:05,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:32:05,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:32:05,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:32:05,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:32:05,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:32:05,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:32:05,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:32:05,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:32:05,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:32:05,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:32:05,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:32:05,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:32:05,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:32:05,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:32:05,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:32:05,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:32:05,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:32:05,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:32:05,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:32:05,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:32:05,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:32:05,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:32:05,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:32:05,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:32:05,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:32:05,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:32:05,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:32:05,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:32:05,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:32:05,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:32:05,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:32:05,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:32:05,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:32:05,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:32:05,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:32:05,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:32:05,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:32:05,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:32:05,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:32:05,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:32:05,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:32:05,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:32:05,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:32:05,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:32:05,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:32:05,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:32:05,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:32:05,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:32:05,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:32:05,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:32:05,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:32:05,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:32:05,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:32:05,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:32:05,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:32:05,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:32:05,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:32:05,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:32:05,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:32:05,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:32:05,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:32:05,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:32:05,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:32:05,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:32:05,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:32:05,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:32:05,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:32:05,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:32:05,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-10-24 22:32:06,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:32:06,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:32:06,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:32:06,316 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:32:06,317 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:32:06,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-24 22:32:06,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3427e33/7b5800269b1647b1a58803c771ccd6ea/FLAGadd253972 [2020-10-24 22:32:06,943 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:32:06,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-24 22:32:06,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3427e33/7b5800269b1647b1a58803c771ccd6ea/FLAGadd253972 [2020-10-24 22:32:07,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3427e33/7b5800269b1647b1a58803c771ccd6ea [2020-10-24 22:32:07,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:32:07,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:32:07,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:32:07,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:32:07,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:32:07,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:07,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434f9a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07, skipping insertion in model container [2020-10-24 22:32:07,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:07,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:32:07,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:32:07,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:32:07,698 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:32:07,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:32:07,852 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:32:07,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07 WrapperNode [2020-10-24 22:32:07,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:32:07,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:32:07,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:32:07,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:32:07,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:07,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:07,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:32:07,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:32:07,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:32:07,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:32:08,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... [2020-10-24 22:32:08,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:32:08,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:32:08,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:32:08,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:32:08,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:32:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 22:32:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:32:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 22:32:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:32:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:32:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 22:32:08,909 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:32:08,909 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-10-24 22:32:08,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:08 BoogieIcfgContainer [2020-10-24 22:32:08,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:32:08,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:32:08,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:32:08,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:32:08,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:32:07" (1/3) ... [2020-10-24 22:32:08,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8fd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:08, skipping insertion in model container [2020-10-24 22:32:08,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:07" (2/3) ... [2020-10-24 22:32:08,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8fd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:08, skipping insertion in model container [2020-10-24 22:32:08,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:08" (3/3) ... [2020-10-24 22:32:08,921 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-10-24 22:32:08,933 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:32:08,938 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-24 22:32:08,952 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-24 22:32:08,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:32:08,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:32:08,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:32:08,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:32:08,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:32:08,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:32:08,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:32:08,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:32:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-10-24 22:32:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 22:32:09,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:32:09,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:32:09,006 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:32:09,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:32:09,013 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-10-24 22:32:09,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 22:32:09,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72758996] [2020-10-24 22:32:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 22:32:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:32:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:32:09,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72758996] [2020-10-24 22:32:09,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:32:09,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 22:32:09,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471615199] [2020-10-24 22:32:09,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 22:32:09,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 22:32:09,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 22:32:09,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 22:32:09,430 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-10-24 22:32:09,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:32:09,456 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-10-24 22:32:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 22:32:09,458 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 22:32:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:32:09,466 INFO L225 Difference]: With dead ends: 127 [2020-10-24 22:32:09,466 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 22:32:09,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 22:32:09,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 22:32:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 22:32:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 22:32:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-10-24 22:32:09,507 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-10-24 22:32:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:32:09,507 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-10-24 22:32:09,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 22:32:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-10-24 22:32:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 22:32:09,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:32:09,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:32:09,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 22:32:09,510 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:32:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:32:09,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-10-24 22:32:09,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 22:32:09,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965583219] [2020-10-24 22:32:09,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 22:32:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:32:09,614 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:32:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:32:09,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:32:09,751 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 22:32:09,751 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 22:32:09,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 22:32:09,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:32:09 BoogieIcfgContainer [2020-10-24 22:32:09,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:32:09,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:32:09,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:32:09,806 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:32:09,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:08" (3/4) ... [2020-10-24 22:32:09,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 22:32:09,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:32:09,813 INFO L168 Benchmark]: Toolchain (without parser) took 2498.15 ms. Allocated memory was 46.1 MB in the beginning and 71.3 MB in the end (delta: 25.2 MB). Free memory was 22.9 MB in the beginning and 28.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,814 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 46.1 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:32:09,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.24 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.3 MB in the beginning and 40.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.38 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 34.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,817 INFO L168 Benchmark]: Boogie Preprocessor took 117.73 ms. Allocated memory is still 58.7 MB. Free memory was 34.6 MB in the beginning and 30.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,818 INFO L168 Benchmark]: RCFGBuilder took 797.31 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 26.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,819 INFO L168 Benchmark]: TraceAbstraction took 891.29 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 28.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:32:09,819 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 71.3 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:32:09,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 46.1 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.24 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 22.3 MB in the beginning and 40.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.38 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 34.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.73 ms. Allocated memory is still 58.7 MB. Free memory was 34.6 MB in the beginning and 30.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 797.31 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 26.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 891.29 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 25.4 MB in the beginning and 28.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.19 ms. Allocated memory is still 71.3 MB. Free memory is still 28.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0 }; VAL [T={3:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L16] COND FALSE !(!cond) VAL [T={3:0}] [L146] COND TRUE x<0 [L140] COND FALSE !(x>180) [L134] COND TRUE x<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 [L18] COND TRUE !(cond) VAL [T={3:0}] [L3] __assert_fail("0", "sin_interpolated_index-1.c", 3, "reach_error") VAL [T={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:32:12,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:32:12,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:32:12,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:32:12,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:32:12,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:32:12,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:32:12,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:32:12,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:32:12,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:32:12,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:32:12,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:32:12,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:32:12,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:32:12,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:32:12,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:32:12,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:32:12,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:32:12,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:32:12,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:32:12,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:32:12,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:32:12,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:32:12,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:32:12,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:32:12,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:32:12,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:32:12,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:32:12,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:32:12,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:32:12,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:32:12,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:32:12,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:32:12,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:32:12,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:32:12,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:32:12,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:32:12,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:32:12,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:32:12,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:32:12,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:32:12,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:32:12,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:32:12,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:32:12,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:32:12,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:32:12,493 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:32:12,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:32:12,494 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:32:12,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:32:12,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:32:12,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:32:12,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:32:12,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:32:12,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:32:12,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:32:12,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:32:12,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:32:12,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:32:12,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:32:12,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:32:12,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:32:12,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:32:12,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:32:12,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:32:12,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:32:12,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:32:12,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:32:12,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:32:12,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:32:12,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:32:12,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:32:12,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:32:12,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-10-24 22:32:12,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:32:12,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:32:12,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:32:12,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:32:12,987 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:32:12,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-24 22:32:13,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4d9112a/39975d4731214b4b99ff31bbe13014ff/FLAG6b11e024d [2020-10-24 22:32:13,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:32:13,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-24 22:32:13,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4d9112a/39975d4731214b4b99ff31bbe13014ff/FLAG6b11e024d [2020-10-24 22:32:14,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4d9112a/39975d4731214b4b99ff31bbe13014ff [2020-10-24 22:32:14,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:32:14,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:32:14,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:32:14,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:32:14,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:32:14,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f3c2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14, skipping insertion in model container [2020-10-24 22:32:14,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:32:14,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:32:14,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:32:14,395 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:32:14,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:32:14,580 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:32:14,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14 WrapperNode [2020-10-24 22:32:14,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:32:14,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:32:14,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:32:14,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:32:14,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:32:14,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:32:14,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:32:14,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:32:14,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... [2020-10-24 22:32:14,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:32:14,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:32:14,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:32:14,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:32:14,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:32:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 22:32:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 22:32:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:32:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 22:32:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:32:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:32:42,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:32:42,003 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-10-24 22:32:42,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:42 BoogieIcfgContainer [2020-10-24 22:32:42,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:32:42,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:32:42,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:32:42,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:32:42,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:32:14" (1/3) ... [2020-10-24 22:32:42,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286997ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:42, skipping insertion in model container [2020-10-24 22:32:42,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:14" (2/3) ... [2020-10-24 22:32:42,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286997ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:42, skipping insertion in model container [2020-10-24 22:32:42,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:42" (3/3) ... [2020-10-24 22:32:42,014 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-10-24 22:32:42,040 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:32:42,046 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-24 22:32:42,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-24 22:32:42,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:32:42,093 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:32:42,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:32:42,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:32:42,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:32:42,094 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:32:42,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:32:42,095 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:32:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-10-24 22:32:42,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 22:32:42,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:32:42,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:32:42,120 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:32:42,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:32:42,127 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-10-24 22:32:42,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:32:42,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117318274] [2020-10-24 22:32:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 22:32:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:32:44,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 22:32:44,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:32:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:32:44,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:32:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:32:44,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117318274] [2020-10-24 22:32:44,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:32:44,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 22:32:44,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919900522] [2020-10-24 22:32:44,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 22:32:44,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:32:44,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 22:32:44,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 22:32:44,935 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-10-24 22:32:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:32:44,961 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-10-24 22:32:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 22:32:44,963 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-24 22:32:44,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:32:44,983 INFO L225 Difference]: With dead ends: 127 [2020-10-24 22:32:44,985 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 22:32:44,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 22:32:45,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 22:32:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 22:32:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 22:32:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-10-24 22:32:45,044 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-10-24 22:32:45,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:32:45,045 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-10-24 22:32:45,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 22:32:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-10-24 22:32:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 22:32:45,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:32:45,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:32:45,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 22:32:45,262 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:32:45,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:32:45,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-10-24 22:32:45,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:32:45,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068722231] [2020-10-24 22:32:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 22:32:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:32:48,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 22:32:48,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:32:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:32:48,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:32:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:32:52,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068722231] [2020-10-24 22:32:52,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:32:52,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 22:32:52,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434946974] [2020-10-24 22:32:52,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 22:32:52,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:32:52,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 22:32:52,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2020-10-24 22:32:52,448 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 6 states. [2020-10-24 22:33:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:33:10,751 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-10-24 22:33:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 22:33:10,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-24 22:33:10,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:33:10,754 INFO L225 Difference]: With dead ends: 35 [2020-10-24 22:33:10,754 INFO L226 Difference]: Without dead ends: 29 [2020-10-24 22:33:10,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=22, Invalid=32, Unknown=2, NotChecked=0, Total=56 [2020-10-24 22:33:10,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-24 22:33:10,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-24 22:33:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-24 22:33:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-10-24 22:33:10,760 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 9 [2020-10-24 22:33:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:33:10,760 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-10-24 22:33:10,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 22:33:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-10-24 22:33:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 22:33:10,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:33:10,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:33:10,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 22:33:10,973 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:33:10,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:33:10,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1182125245, now seen corresponding path program 1 times [2020-10-24 22:33:10,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:33:10,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544690175] [2020-10-24 22:33:10,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 22:33:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:33:15,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:33:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:33:21,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:33:22,473 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 22:33:22,473 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 22:33:22,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 22:33:22,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:33:22 BoogieIcfgContainer [2020-10-24 22:33:22,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:33:22,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:33:22,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:33:22,726 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:33:22,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:42" (3/4) ... [2020-10-24 22:33:22,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 22:33:22,829 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 22:33:22,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:33:22,833 INFO L168 Benchmark]: Toolchain (without parser) took 68819.46 ms. Allocated memory was 48.2 MB in the beginning and 79.7 MB in the end (delta: 31.5 MB). Free memory was 24.7 MB in the beginning and 42.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,833 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:33:22,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.56 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.0 MB in the beginning and 37.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.03 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 45.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,836 INFO L168 Benchmark]: Boogie Preprocessor took 101.63 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 40.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,840 INFO L168 Benchmark]: RCFGBuilder took 27171.50 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.0 MB in the beginning and 27.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,844 INFO L168 Benchmark]: TraceAbstraction took 40716.16 ms. Allocated memory is still 79.7 MB. Free memory was 27.3 MB in the beginning and 46.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,845 INFO L168 Benchmark]: Witness Printer took 105.24 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 42.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:33:22,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.56 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.0 MB in the beginning and 37.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.03 ms. Allocated memory is still 65.0 MB. Free memory was 37.4 MB in the beginning and 45.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.63 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 40.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27171.50 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.0 MB in the beginning and 27.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40716.16 ms. Allocated memory is still 79.7 MB. Free memory was 27.3 MB in the beginning and 46.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Witness Printer took 105.24 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 42.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a 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, 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-0.01745240643728, 0 }; VAL [T={2:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L16] COND FALSE !(!cond) VAL [T={2:0}] [L146] COND TRUE x<0 [L140] COND FALSE !(x>180) [L134] COND FALSE !(x<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 [L18] COND TRUE !(cond) VAL [T={2:0}] [L3] __assert_fail("0", "sin_interpolated_index-1.c", 3, "reach_error") VAL [T={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 22 SDslu, 26 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 2 QuantifiedInterpolants, 496 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2262 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! Received shutdown request...