./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_3.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 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 13:39:02,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:39:02,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:39:02,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:39:02,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:39:02,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:39:02,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:39:02,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:39:02,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:39:02,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:39:02,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:39:02,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:39:02,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:39:02,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:39:02,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:39:02,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:39:02,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:39:02,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:39:02,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:39:02,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:39:02,551 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:39:02,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:39:02,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:39:02,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:39:02,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:39:02,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:39:02,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:39:02,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:39:02,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:39:02,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:39:02,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:39:02,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:39:02,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:39:02,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:39:02,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:39:02,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:39:02,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:39:02,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:39:02,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:39:02,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:39:02,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:39:02,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:39:02,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 13:39:02,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:39:02,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:39:02,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:39:02,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:39:02,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:39:02,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:39:02,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:39:02,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:39:02,598 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:39:02,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:39:02,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:39:02,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 13:39:02,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:39:02,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:39:02,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:39:02,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:39:02,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:39:02,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:39:02,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:39:02,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:39:02,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:39:02,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:39:02,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:39:02,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:39:02,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:02,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:39:02,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:39:02,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:39:02,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 13:39:02,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 13:39:02,603 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:39:02,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:39:02,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:39:02,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 [2022-07-22 13:39:02,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:39:02,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:39:02,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:39:02,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:39:02,775 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:39:02,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-22 13:39:02,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b8f976/5a43f5f7e234490bb9784b466c4d6c06/FLAGf17366099 [2022-07-22 13:39:03,176 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:39:03,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-22 13:39:03,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b8f976/5a43f5f7e234490bb9784b466c4d6c06/FLAGf17366099 [2022-07-22 13:39:03,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454b8f976/5a43f5f7e234490bb9784b466c4d6c06 [2022-07-22 13:39:03,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:39:03,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:39:03,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:03,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:39:03,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:39:03,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8c4283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03, skipping insertion in model container [2022-07-22 13:39:03,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:39:03,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:39:03,731 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_3.i[1645,1658] [2022-07-22 13:39:03,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:03,738 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:39:03,748 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_3.i[1645,1658] [2022-07-22 13:39:03,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:03,759 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:39:03,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03 WrapperNode [2022-07-22 13:39:03,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:03,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:03,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:39:03,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:39:03,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,789 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-22 13:39:03,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:03,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:39:03,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:39:03,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:39:03,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:39:03,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:39:03,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:39:03,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:39:03,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (1/1) ... [2022-07-22 13:39:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:03,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:39:03,835 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) [2022-07-22 13:39:03,843 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 [2022-07-22 13:39:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:39:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 13:39:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:39:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:39:03,904 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:39:03,906 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:39:03,992 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:39:03,996 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:39:03,996 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:39:03,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:03 BoogieIcfgContainer [2022-07-22 13:39:03,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:39:03,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:39:03,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:39:04,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:39:04,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:39:03" (1/3) ... [2022-07-22 13:39:04,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a30cad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:04, skipping insertion in model container [2022-07-22 13:39:04,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:03" (2/3) ... [2022-07-22 13:39:04,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a30cad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:04, skipping insertion in model container [2022-07-22 13:39:04,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:03" (3/3) ... [2022-07-22 13:39:04,004 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_3.i [2022-07-22 13:39:04,014 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:39:04,014 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:39:04,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:39:04,067 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@32079374, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@70402139 [2022-07-22 13:39:04,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:39:04,072 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) [2022-07-22 13:39:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:04,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:04,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:04,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-22 13:39:04,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:39:04,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576551790] [2022-07-22 13:39:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:39:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:39:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:39:04,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 13:39:04,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576551790] [2022-07-22 13:39:04,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576551790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:39:04,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:39:04,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:39:04,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107560162] [2022-07-22 13:39:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:39:04,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:39:04,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 13:39:04,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:39:04,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:39:04,225 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) [2022-07-22 13:39:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:39:04,235 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-22 13:39:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:39:04,236 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 [2022-07-22 13:39:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:39:04,241 INFO L225 Difference]: With dead ends: 19 [2022-07-22 13:39:04,242 INFO L226 Difference]: Without dead ends: 7 [2022-07-22 13:39:04,244 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 [2022-07-22 13:39:04,247 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 [2022-07-22 13:39:04,248 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] [2022-07-22 13:39:04,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-22 13:39:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-22 13:39:04,269 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) [2022-07-22 13:39:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-22 13:39:04,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-22 13:39:04,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:39:04,273 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-22 13:39:04,273 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) [2022-07-22 13:39:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-22 13:39:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:04,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:04,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:04,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 13:39:04,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:04,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:04,274 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-22 13:39:04,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:39:04,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004851882] [2022-07-22 13:39:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:04,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:39:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:04,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:39:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:04,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 13:39:04,308 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:39:04,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:39:04,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 13:39:04,313 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:39:04,315 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:39:04,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:39:04 BoogieIcfgContainer [2022-07-22 13:39:04,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:39:04,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:39:04,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:39:04,330 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:39:04,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:03" (3/4) ... [2022-07-22 13:39:04,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 13:39:04,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:39:04,335 INFO L158 Benchmark]: Toolchain (without parser) took 725.79ms. Allocated memory is still 111.1MB. Free memory was 80.7MB in the beginning and 52.4MB in the end (delta: 28.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:04,335 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:04,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.22ms. Allocated memory is still 111.1MB. Free memory was 80.7MB in the beginning and 86.1MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:04,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:39:04,341 INFO L158 Benchmark]: Boogie Preprocessor took 20.14ms. Allocated memory is still 111.1MB. Free memory was 84.8MB in the beginning and 83.9MB in the end (delta: 915.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:04,341 INFO L158 Benchmark]: RCFGBuilder took 186.44ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 75.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:04,342 INFO L158 Benchmark]: TraceAbstraction took 330.05ms. Allocated memory is still 111.1MB. Free memory was 74.4MB in the beginning and 52.6MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-22 13:39:04,342 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 111.1MB. Free memory was 52.6MB in the beginning and 52.4MB in the end (delta: 200.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:04,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.22ms. Allocated memory is still 111.1MB. Free memory was 80.7MB in the beginning and 86.1MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.14ms. Allocated memory is still 111.1MB. Free memory was 84.8MB in the beginning and 83.9MB in the end (delta: 915.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 186.44ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 75.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 330.05ms. Allocated memory is still 111.1MB. Free memory was 74.4MB in the beginning and 52.6MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 111.1MB. Free memory was 52.6MB in the beginning and 52.4MB in the end (delta: 200.1kB). 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 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 <= 1.001f && result >= -1.001f) 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: 0.0s, 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 [2022-07-22 13:39:04,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/sine_3.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 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 13:39:05,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:39:05,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:39:06,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:39:06,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:39:06,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:39:06,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:39:06,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:39:06,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:39:06,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:39:06,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:39:06,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:39:06,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:39:06,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:39:06,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:39:06,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:39:06,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:39:06,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:39:06,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:39:06,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:39:06,027 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:39:06,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:39:06,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:39:06,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:39:06,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:39:06,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:39:06,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:39:06,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:39:06,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:39:06,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:39:06,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:39:06,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:39:06,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:39:06,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:39:06,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:39:06,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:39:06,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:39:06,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:39:06,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:39:06,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:39:06,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:39:06,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:39:06,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 13:39:06,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:39:06,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:39:06,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:39:06,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:39:06,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:39:06,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:39:06,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:39:06,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:39:06,064 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:39:06,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:39:06,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:39:06,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:39:06,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:39:06,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:39:06,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:39:06,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:06,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:39:06,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:39:06,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:39:06,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 13:39:06,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 [2022-07-22 13:39:06,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:39:06,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:39:06,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:39:06,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:39:06,370 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:39:06,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-22 13:39:06,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d9551d/ab88585c868f4f13af0902c41e2e31b6/FLAGdc27ed97b [2022-07-22 13:39:06,784 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:39:06,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-22 13:39:06,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d9551d/ab88585c868f4f13af0902c41e2e31b6/FLAGdc27ed97b [2022-07-22 13:39:07,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90d9551d/ab88585c868f4f13af0902c41e2e31b6 [2022-07-22 13:39:07,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:39:07,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:39:07,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:07,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:39:07,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:39:07,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8a9491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07, skipping insertion in model container [2022-07-22 13:39:07,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:39:07,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:39:07,338 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_3.i[1645,1658] [2022-07-22 13:39:07,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:07,348 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:39:07,389 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_3.i[1645,1658] [2022-07-22 13:39:07,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:07,408 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:39:07,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07 WrapperNode [2022-07-22 13:39:07,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:07,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:07,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:39:07,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:39:07,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,436 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-22 13:39:07,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:07,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:39:07,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:39:07,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:39:07,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:39:07,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:39:07,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:39:07,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:39:07,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (1/1) ... [2022-07-22 13:39:07,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:07,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:39:07,512 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) [2022-07-22 13:39:07,530 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 [2022-07-22 13:39:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:39:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 13:39:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:39:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:39:07,594 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:39:07,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:39:09,948 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:39:09,952 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:39:09,952 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:39:09,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:09 BoogieIcfgContainer [2022-07-22 13:39:09,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:39:09,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:39:09,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:39:09,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:39:09,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:39:07" (1/3) ... [2022-07-22 13:39:09,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706bad12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:09, skipping insertion in model container [2022-07-22 13:39:09,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:07" (2/3) ... [2022-07-22 13:39:09,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706bad12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:09, skipping insertion in model container [2022-07-22 13:39:09,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:09" (3/3) ... [2022-07-22 13:39:09,968 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_3.i [2022-07-22 13:39:09,976 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:39:09,977 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:39:10,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:39:10,019 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@1079cefb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4e7b3c81 [2022-07-22 13:39:10,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:39:10,023 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) [2022-07-22 13:39:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:10,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:10,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:10,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:10,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-22 13:39:10,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:39:10,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063449415] [2022-07-22 13:39:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:10,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:39:10,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:39:10,044 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) [2022-07-22 13:39:10,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 13:39:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:39:10,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 13:39:10,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 13:39:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:39:10,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 13:39:10,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 13:39:10,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063449415] [2022-07-22 13:39:10,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063449415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:39:10,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:39:10,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:39:10,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741738548] [2022-07-22 13:39:10,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:39:10,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:39:10,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 13:39:10,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:39:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:39:10,500 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) [2022-07-22 13:39:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:39:10,508 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-22 13:39:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:39:10,510 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 [2022-07-22 13:39:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:39:10,514 INFO L225 Difference]: With dead ends: 19 [2022-07-22 13:39:10,514 INFO L226 Difference]: Without dead ends: 7 [2022-07-22 13:39:10,516 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 [2022-07-22 13:39:10,519 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 [2022-07-22 13:39:10,520 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] [2022-07-22 13:39:10,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-22 13:39:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-22 13:39:10,536 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) [2022-07-22 13:39:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-22 13:39:10,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-22 13:39:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:39:10,537 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-22 13:39:10,538 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) [2022-07-22 13:39:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-22 13:39:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:10,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:10,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:10,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 13:39:10,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:39:10,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:10,745 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-22 13:39:10,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:39:10,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797820952] [2022-07-22 13:39:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:10,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:39:10,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:39:10,747 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) [2022-07-22 13:39:10,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 13:39:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:24,233 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:39:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:25,553 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-22 13:39:25,553 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:39:25,554 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:39:25,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 13:39:25,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:39:25,759 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:39:25,762 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:39:25,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:39:25 BoogieIcfgContainer [2022-07-22 13:39:25,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:39:25,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:39:25,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:39:25,783 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:39:25,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:09" (3/4) ... [2022-07-22 13:39:25,785 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-22 13:39:25,816 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 13:39:25,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:39:25,817 INFO L158 Benchmark]: Toolchain (without parser) took 18608.46ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 49.2MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:25,819 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:25,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.92ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 40.0MB in the end (delta: -4.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 13:39:25,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.93ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 38.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:39:25,822 INFO L158 Benchmark]: Boogie Preprocessor took 48.70ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 37.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:25,822 INFO L158 Benchmark]: RCFGBuilder took 2466.21ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 29.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:25,823 INFO L158 Benchmark]: TraceAbstraction took 15819.25ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 51.0MB in the end (delta: -22.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-07-22 13:39:25,823 INFO L158 Benchmark]: Witness Printer took 33.51ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:39:25,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.92ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 40.0MB in the end (delta: -4.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.93ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 38.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.70ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 37.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2466.21ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 29.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15819.25ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 51.0MB in the end (delta: -22.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 33.51ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. 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=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] [L36] COND TRUE !(result <= 1.001f && result >= -1.001f) VAL [IN=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] [L37] reach_error() VAL [IN=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, 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, 13.8s 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! [2022-07-22 13:39:25,941 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE