./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/floats-cdfpl/sine_1.i -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 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:01:56,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:01:56,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:01:56,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:01:56,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:01:56,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:01:56,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:01:56,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:01:56,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:01:56,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:01:56,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:01:56,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:01:56,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:01:56,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:01:56,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:01:56,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:01:56,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:01:56,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:01:56,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:01:56,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:01:56,914 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:01:56,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:01:56,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:01:56,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:01:56,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:01:56,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:01:56,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:01:56,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:01:56,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:01:56,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:01:56,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:01:56,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:01:56,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:01:56,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:01:56,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:01:56,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:01:56,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:01:56,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:01:56,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:01:56,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:01:56,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:01:56,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:01:56,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:01:56,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:01:56,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:01:56,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:01:56,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:01:56,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:01:56,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:01:56,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:01:56,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:01:56,981 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:01:56,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:01:56,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:01:56,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:01:56,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:01:56,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:01:56,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:01:56,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:01:56,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:01:56,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:01:56,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:01:56,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:01:56,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:01:56,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:01:56,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:01:56,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:01:56,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:01:56,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:01:56,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:01:56,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:01:56,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:01:56,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:01:56,986 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:01:56,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:01:56,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:01:56,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2022-07-21 01:01:57,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:01:57,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:01:57,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:01:57,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:01:57,352 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:01:57,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-21 01:01:57,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0ccdc6c/d18e2932180546548e57be03d45dc20b/FLAG55f1433c4 [2022-07-21 01:01:57,804 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:01:57,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-21 01:01:57,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0ccdc6c/d18e2932180546548e57be03d45dc20b/FLAG55f1433c4 [2022-07-21 01:01:58,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0ccdc6c/d18e2932180546548e57be03d45dc20b [2022-07-21 01:01:58,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:01:58,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:01:58,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:01:58,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:01:58,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:01:58,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2244e01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58, skipping insertion in model container [2022-07-21 01:01:58,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:01:58,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:01:58,371 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/floats-cdfpl/sine_1.i[1641,1654] [2022-07-21 01:01:58,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:01:58,380 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:01:58,391 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/floats-cdfpl/sine_1.i[1641,1654] [2022-07-21 01:01:58,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:01:58,404 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:01:58,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58 WrapperNode [2022-07-21 01:01:58,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:01:58,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:01:58,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:01:58,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:01:58,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,441 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-21 01:01:58,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:01:58,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:01:58,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:01:58,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:01:58,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:01:58,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:01:58,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:01:58,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:01:58,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (1/1) ... [2022-07-21 01:01:58,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:01:58,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:01:58,494 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) [2022-07-21 01:01:58,500 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 [2022-07-21 01:01:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:01:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:01:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:01:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:01:58,579 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:01:58,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:01:58,688 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:01:58,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:01:58,698 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:01:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:01:58 BoogieIcfgContainer [2022-07-21 01:01:58,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:01:58,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:01:58,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:01:58,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:01:58,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:01:58" (1/3) ... [2022-07-21 01:01:58,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317619d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:01:58, skipping insertion in model container [2022-07-21 01:01:58,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:01:58" (2/3) ... [2022-07-21 01:01:58,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317619d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:01:58, skipping insertion in model container [2022-07-21 01:01:58,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:01:58" (3/3) ... [2022-07-21 01:01:58,708 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2022-07-21 01:01:58,720 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:01:58,721 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:01:58,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:01:58,782 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@64cabd85, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c448b9f [2022-07-21 01:01:58,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:01:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:01:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:01:58,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:01:58,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:01:58,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:01:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:01:58,805 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-21 01:01:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:01:58,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961417559] [2022-07-21 01:01:58,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:01:58,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:01:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:01:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:01:58,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:01:58,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961417559] [2022-07-21 01:01:58,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961417559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:01:58,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:01:58,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:01:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874006860] [2022-07-21 01:01:58,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:01:58,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:01:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:01:58,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:01:58,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:01:58,974 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:01:58,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:01:58,984 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-21 01:01:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:01:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-21 01:01:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:01:58,992 INFO L225 Difference]: With dead ends: 19 [2022-07-21 01:01:58,993 INFO L226 Difference]: Without dead ends: 7 [2022-07-21 01:01:58,996 INFO L412 NwaCegarLoop]: 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 [2022-07-21 01:01:59,000 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:01:59,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:01:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-21 01:01:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-21 01:01:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:01:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-21 01:01:59,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-21 01:01:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:01:59,024 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-21 01:01:59,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:01:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-21 01:01:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:01:59,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:01:59,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:01:59,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:01:59,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:01:59,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:01:59,027 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-21 01:01:59,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:01:59,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841121225] [2022-07-21 01:01:59,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:01:59,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:01:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:01:59,050 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:01:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:01:59,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:01:59,087 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:01:59,089 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:01:59,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:01:59,095 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:01:59,097 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:01:59,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:01:59 BoogieIcfgContainer [2022-07-21 01:01:59,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:01:59,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:01:59,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:01:59,125 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:01:59,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:01:58" (3/4) ... [2022-07-21 01:01:59,127 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:01:59,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:01:59,130 INFO L158 Benchmark]: Toolchain (without parser) took 908.18ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 34.1MB in the beginning and 50.0MB in the end (delta: -15.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-07-21 01:01:59,130 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:01:59,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.45ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.9MB in the beginning and 59.9MB in the end (delta: -26.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-21 01:01:59,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 75.5MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:01:59,136 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 57.5MB in the end (delta: 897.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:01:59,136 INFO L158 Benchmark]: RCFGBuilder took 233.29ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 49.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:01:59,136 INFO L158 Benchmark]: TraceAbstraction took 421.61ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 50.3MB in the end (delta: -1.7MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-07-21 01:01:59,137 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 75.5MB. Free memory was 50.3MB in the beginning and 50.0MB in the end (delta: 337.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:01:59,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.45ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.9MB in the beginning and 59.9MB in the end (delta: -26.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 75.5MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.58ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 57.5MB in the end (delta: 897.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.29ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 49.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 421.61ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 50.3MB in the end (delta: -1.7MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 75.5MB. Free memory was 50.3MB in the beginning and 50.0MB in the end (delta: 337.4kB). 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: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=49, x=49] [L36] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=49, x=49] [L37] reach_error() VAL [IN=49, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=11occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2022-07-21 01:01:59,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- 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/floats-cdfpl/sine_1.i -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 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:02:01,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:02:01,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:02:01,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:02:01,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:02:01,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:02:01,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:02:01,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:02:01,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:02:01,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:02:01,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:02:01,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:02:01,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:02:01,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:02:01,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:02:01,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:02:01,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:02:01,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:02:01,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:02:01,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:02:01,079 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:02:01,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:02:01,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:02:01,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:02:01,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:02:01,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:02:01,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:02:01,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:02:01,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:02:01,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:02:01,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:02:01,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:02:01,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:02:01,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:02:01,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:02:01,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:02:01,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:02:01,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:02:01,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:02:01,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:02:01,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:02:01,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:02:01,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:02:01,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:02:01,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:02:01,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:02:01,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:02:01,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:02:01,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:02:01,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:02:01,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:02:01,136 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:02:01,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:02:01,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:02:01,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:02:01,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:02:01,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:02:01,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:02:01,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:02:01,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:02:01,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:02:01,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:02:01,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:02:01,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:02:01,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:02:01,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:02:01,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:02:01,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:02:01,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:02:01,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:01,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:02:01,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:02:01,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:02:01,141 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:02:01,141 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:02:01,141 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:02:01,142 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:02:01,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:02:01,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:02:01,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2022-07-21 01:02:01,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:02:01,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:02:01,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:02:01,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:02:01,485 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:02:01,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-21 01:02:01,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2dabedf/e8b44cf9ce314de3b719d24fb57dea92/FLAG4fcbe782c [2022-07-21 01:02:01,981 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:02:01,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-21 01:02:01,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2dabedf/e8b44cf9ce314de3b719d24fb57dea92/FLAG4fcbe782c [2022-07-21 01:02:02,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2dabedf/e8b44cf9ce314de3b719d24fb57dea92 [2022-07-21 01:02:02,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:02:02,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:02:02,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:02,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:02:02,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:02:02,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754b7dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02, skipping insertion in model container [2022-07-21 01:02:02,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:02:02,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:02:02,149 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/floats-cdfpl/sine_1.i[1641,1654] [2022-07-21 01:02:02,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:02,164 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:02:02,194 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/floats-cdfpl/sine_1.i[1641,1654] [2022-07-21 01:02:02,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:02,218 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:02:02,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02 WrapperNode [2022-07-21 01:02:02,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:02,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:02,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:02:02,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:02:02,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,250 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-21 01:02:02,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:02,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:02:02,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:02:02,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:02:02,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:02:02,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:02:02,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:02:02,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:02:02,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (1/1) ... [2022-07-21 01:02:02,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:02:02,300 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) [2022-07-21 01:02:02,328 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 [2022-07-21 01:02:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:02:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:02:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:02:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:02:02,402 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:02:02,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:02:04,900 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:02:04,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:02:04,906 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:02:04,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:04 BoogieIcfgContainer [2022-07-21 01:02:04,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:02:04,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:02:04,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:02:04,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:02:04,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:02:02" (1/3) ... [2022-07-21 01:02:04,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b19a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:04, skipping insertion in model container [2022-07-21 01:02:04,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:02" (2/3) ... [2022-07-21 01:02:04,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b19a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:04, skipping insertion in model container [2022-07-21 01:02:04,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:04" (3/3) ... [2022-07-21 01:02:04,915 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2022-07-21 01:02:04,926 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:02:04,927 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:02:04,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:02:04,985 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@594ec44b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a944315 [2022-07-21 01:02:04,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:02:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:02:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:04,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:04,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:04,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:05,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-21 01:02:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:02:05,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788587142] [2022-07-21 01:02:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:05,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:02:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:02:05,015 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) [2022-07-21 01:02:05,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:02:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:02:05,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:02:05,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:02:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:02:05,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:02:05,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:02:05,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788587142] [2022-07-21 01:02:05,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788587142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:02:05,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:02:05,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:02:05,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311444903] [2022-07-21 01:02:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:02:05,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:02:05,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:02:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:02:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:02:05,476 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:02:05,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:02:05,486 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-21 01:02:05,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:02:05,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-21 01:02:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:02:05,494 INFO L225 Difference]: With dead ends: 19 [2022-07-21 01:02:05,494 INFO L226 Difference]: Without dead ends: 7 [2022-07-21 01:02:05,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:02:05,500 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:02:05,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:02:05,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-21 01:02:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-21 01:02:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:02:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-21 01:02:05,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-21 01:02:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:02:05,523 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-21 01:02:05,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:02:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-21 01:02:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:05,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:05,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:05,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 01:02:05,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:02:05,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-21 01:02:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:02:05,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582633] [2022-07-21 01:02:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:02:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:02:05,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:02:05,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:02:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:02:09,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:02:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:02:10,639 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-21 01:02:10,639 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:02:10,641 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:02:10,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 01:02:10,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:02:10,845 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:02:10,848 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:02:10,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:02:10 BoogieIcfgContainer [2022-07-21 01:02:10,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:02:10,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:02:10,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:02:10,867 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:02:10,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:04" (3/4) ... [2022-07-21 01:02:10,869 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-21 01:02:10,902 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:02:10,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:02:10,903 INFO L158 Benchmark]: Toolchain (without parser) took 8890.34ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.9MB in the beginning and 31.8MB in the end (delta: -3.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-07-21 01:02:10,903 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:10,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.78ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.7MB in the beginning and 49.0MB in the end (delta: -21.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 01:02:10,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.14ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:10,905 INFO L158 Benchmark]: Boogie Preprocessor took 19.27ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 46.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:10,905 INFO L158 Benchmark]: RCFGBuilder took 2636.28ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 38.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:02:10,906 INFO L158 Benchmark]: TraceAbstraction took 5957.08ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 33.6MB in the end (delta: 3.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-21 01:02:10,906 INFO L158 Benchmark]: Witness Printer took 35.34ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 31.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:10,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.78ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.7MB in the beginning and 49.0MB in the end (delta: -21.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.14ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.27ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 46.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2636.28ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 38.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5957.08ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 33.6MB in the end (delta: 3.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 35.34ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 31.8MB in the end (delta: 1.5MB). 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 - CounterExampleResult [Line: 37]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] [L36] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] [L37] reach_error() VAL [IN=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 4.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 1 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 proved your program to be incorrect! [2022-07-21 01:02:11,038 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE