./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:55:58,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:55:58,663 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:55:58,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:55:58,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:55:58,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:55:58,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:55:58,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:55:58,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:55:58,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:55:58,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:55:58,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:55:58,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:55:58,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:55:58,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:55:58,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:55:58,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:55:58,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:55:58,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:55:58,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:55:58,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:55:58,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:55:58,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:55:58,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:55:58,729 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:55:58,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:55:58,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:55:58,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:55:58,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:55:58,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:55:58,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:55:58,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:55:58,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:55:58,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:55:58,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:55:58,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:55:58,747 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:55:58,771 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:55:58,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:55:58,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:55:58,774 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:55:58,774 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:55:58,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:55:58,774 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:55:58,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:55:58,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:55:58,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:55:58,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:55:58,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:55:58,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:55:58,775 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:55:58,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:55:58,777 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:55:58,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:55:58,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:55:58,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:55:58,778 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:55:58,778 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:55:58,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:55:58,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:55:58,779 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:55:58,780 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:55:58,780 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:55:58,780 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:55:58,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:55:58,781 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2019-01-12 07:55:58,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:55:58,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:55:58,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:55:58,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:55:58,839 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:55:58,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.i [2019-01-12 07:55:58,903 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194ab6839/355011b65f8849a8899ef34c25032e9b/FLAG0f5d04953 [2019-01-12 07:55:59,447 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:55:59,450 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.i [2019-01-12 07:55:59,465 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194ab6839/355011b65f8849a8899ef34c25032e9b/FLAG0f5d04953 [2019-01-12 07:55:59,705 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194ab6839/355011b65f8849a8899ef34c25032e9b [2019-01-12 07:55:59,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:55:59,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:55:59,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:55:59,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:55:59,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:55:59,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:59" (1/1) ... [2019-01-12 07:55:59,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda4a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:55:59, skipping insertion in model container [2019-01-12 07:55:59,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:55:59" (1/1) ... [2019-01-12 07:55:59,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:55:59,787 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:00,324 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:999) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:964) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 07:56:00,339 INFO L168 Benchmark]: Toolchain (without parser) took 629.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:00,342 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:00,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:00,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:56:02,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:56:02,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:56:02,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:56:02,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:56:02,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:56:02,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:56:02,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:56:02,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:56:02,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:56:02,465 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:56:02,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:56:02,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:56:02,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:56:02,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:56:02,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:56:02,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:56:02,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:56:02,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:56:02,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:56:02,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:56:02,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:56:02,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:56:02,484 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:56:02,484 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:56:02,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:56:02,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:56:02,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:56:02,489 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:56:02,490 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:56:02,490 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:56:02,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:56:02,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:56:02,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:56:02,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:56:02,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:56:02,495 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:56:02,511 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:56:02,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:56:02,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:56:02,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:56:02,514 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:56:02,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:56:02,514 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:56:02,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:56:02,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:56:02,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:56:02,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:56:02,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:56:02,515 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:56:02,515 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:56:02,515 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:56:02,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:56:02,517 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:56:02,517 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:56:02,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:56:02,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:56:02,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:56:02,518 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:56:02,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:02,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:56:02,520 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:56:02,521 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2019-01-12 07:56:02,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:56:02,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:56:02,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:56:02,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:56:02,592 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:56:02,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.i [2019-01-12 07:56:02,661 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102be7bb6/e5514b7d90e34337a799e4fdc38ab492/FLAG231de6a27 [2019-01-12 07:56:03,175 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:56:03,176 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cbmc-regression/float19_true-unreach-call.i [2019-01-12 07:56:03,191 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102be7bb6/e5514b7d90e34337a799e4fdc38ab492/FLAG231de6a27 [2019-01-12 07:56:03,436 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102be7bb6/e5514b7d90e34337a799e4fdc38ab492 [2019-01-12 07:56:03,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:56:03,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:56:03,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:03,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:56:03,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:56:03,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:03" (1/1) ... [2019-01-12 07:56:03,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae2106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:03, skipping insertion in model container [2019-01-12 07:56:03,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:56:03" (1/1) ... [2019-01-12 07:56:03,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:56:03,535 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:56:04,054 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:04,062 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:56:04,117 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:56:04,528 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:56:04,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04 WrapperNode [2019-01-12 07:56:04,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:56:04,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:04,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:56:04,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:56:04,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:56:04,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:56:04,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:56:04,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:56:04,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... [2019-01-12 07:56:04,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:56:04,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:56:04,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:56:04,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:56:04,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:56:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:56:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:56:04,939 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:56:04,939 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-12 07:56:04,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:04 BoogieIcfgContainer [2019-01-12 07:56:04,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:56:04,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:56:04,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:56:04,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:56:04,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:56:03" (1/3) ... [2019-01-12 07:56:04,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711c91ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:04, skipping insertion in model container [2019-01-12 07:56:04,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:56:04" (2/3) ... [2019-01-12 07:56:04,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711c91ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:56:04, skipping insertion in model container [2019-01-12 07:56:04,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:04" (3/3) ... [2019-01-12 07:56:04,948 INFO L112 eAbstractionObserver]: Analyzing ICFG float19_true-unreach-call.i [2019-01-12 07:56:04,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:56:04,964 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:56:04,981 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:56:05,011 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:56:05,012 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:56:05,012 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:56:05,012 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:56:05,012 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:56:05,013 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:56:05,013 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:56:05,013 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:56:05,013 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:56:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-01-12 07:56:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-12 07:56:05,035 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:56:05,036 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-12 07:56:05,039 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:56:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:56:05,044 INFO L82 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2019-01-12 07:56:05,047 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:56:05,048 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 07:56:05,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:56:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 07:56:05,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 07:56:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 07:56:05,710 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 07:56:05,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 07:56:05,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 07:56:05,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 07:56:05,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 07:56:05,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:05,741 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-01-12 07:56:05,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 07:56:05,885 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-12 07:56:05,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 07:56:05,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-12 07:56:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 07:56:05,902 INFO L225 Difference]: With dead ends: 18 [2019-01-12 07:56:05,902 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 07:56:05,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 07:56:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 07:56:05,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 07:56:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 07:56:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 07:56:05,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-12 07:56:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 07:56:05,934 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 07:56:05,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 07:56:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 07:56:05,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 07:56:05,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 07:56:05,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 07:56:05,979 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 958) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point L957-1(line 957) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 959) no Hoare annotation was computed. [2019-01-12 07:56:05,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-01-12 07:56:05,981 INFO L451 ceAbstractionStarter]: At program point L971(lines 963 972) the Hoare annotation is: true [2019-01-12 07:56:05,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:56:05 BoogieIcfgContainer [2019-01-12 07:56:05,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:56:05,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:56:05,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:56:05,989 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:56:05,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:56:04" (3/4) ... [2019-01-12 07:56:05,994 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 07:56:06,006 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 07:56:06,006 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 07:56:06,006 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 07:56:06,049 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:56:06,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:56:06,050 INFO L168 Benchmark]: Toolchain (without parser) took 2608.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:06,052 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:06,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1084.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,055 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:56:06,056 INFO L168 Benchmark]: RCFGBuilder took 326.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,057 INFO L168 Benchmark]: TraceAbstraction took 1046.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,058 INFO L168 Benchmark]: Witness Printer took 60.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:56:06,064 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1084.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1046.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Witness Printer took 60.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 1 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...