./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-esbmc-regression/isless_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-esbmc-regression/isless_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 14fa108cca9f4bd57206cbc5fcf638a76c2417ac ................................................................................................................................................................. 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-esbmc-regression/isless_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 14fa108cca9f4bd57206cbc5fcf638a76c2417ac .................................................................................................................................................................................................................................................................................... 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 08:46:20,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:46:20,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:46:20,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:46:20,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:46:20,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:46:20,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:46:20,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:46:20,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:46:20,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:46:20,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:46:20,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:46:20,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:46:20,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:46:20,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:46:20,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:46:20,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:46:20,137 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:46:20,139 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:46:20,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:46:20,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:46:20,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:46:20,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:46:20,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:46:20,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:46:20,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:46:20,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:46:20,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:46:20,151 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:46:20,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:46:20,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:46:20,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:46:20,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:46:20,154 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:46:20,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:46:20,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:46:20,157 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 08:46:20,183 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:46:20,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:46:20,187 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:46:20,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:46:20,188 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:46:20,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:46:20,189 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:46:20,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:46:20,191 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:46:20,191 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:46:20,192 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:46:20,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:46:20,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:46:20,192 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:46:20,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:46:20,192 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:46:20,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:46:20,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:46:20,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:46:20,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:46:20,193 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 08:46:20,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:46:20,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 08:46:20,197 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 -> 14fa108cca9f4bd57206cbc5fcf638a76c2417ac [2019-01-12 08:46:20,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:46:20,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:46:20,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:46:20,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:46:20,275 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:46:20,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/isless_true-unreach-call.i [2019-01-12 08:46:20,354 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba300114b/ace701bdbb27401a85b1ee29b4c19e11/FLAGa18f04e90 [2019-01-12 08:46:20,943 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:46:20,943 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/isless_true-unreach-call.i [2019-01-12 08:46:20,957 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba300114b/ace701bdbb27401a85b1ee29b4c19e11/FLAGa18f04e90 [2019-01-12 08:46:21,172 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba300114b/ace701bdbb27401a85b1ee29b4c19e11 [2019-01-12 08:46:21,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:46:21,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:46:21,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:46:21,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:46:21,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:46:21,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:46:21" (1/1) ... [2019-01-12 08:46:21,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2359d8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:21, skipping insertion in model container [2019-01-12 08:46:21,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:46:21" (1/1) ... [2019-01-12 08:46:21,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:46:21,275 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:46:21,805 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1670) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:319) 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: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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$43(StandardFunctionHandler.java:326) 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: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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1328) 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:1272) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) 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 08:46:21,810 INFO L168 Benchmark]: Toolchain (without parser) took 632.06 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:21,812 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 08:46:21,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.65 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:21,816 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 628.65 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 927.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:834) 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 08:46:23,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:46:23,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:46:23,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:46:23,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:46:23,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:46:23,957 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:46:23,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:46:23,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:46:23,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:46:23,963 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:46:23,963 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:46:23,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:46:23,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:46:23,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:46:23,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:46:23,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:46:23,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:46:23,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:46:23,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:46:23,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:46:23,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:46:23,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:46:23,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:46:23,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:46:23,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:46:23,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:46:23,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:46:23,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:46:23,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:46:23,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:46:23,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:46:23,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:46:23,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:46:23,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:46:23,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:46:23,991 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 08:46:24,023 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:46:24,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:46:24,025 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:46:24,025 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:46:24,026 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:46:24,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:46:24,027 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:46:24,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:46:24,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:46:24,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:46:24,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:46:24,028 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:46:24,028 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 08:46:24,028 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 08:46:24,029 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:46:24,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:46:24,029 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:46:24,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:46:24,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:46:24,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:46:24,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:46:24,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:46:24,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:46:24,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:46:24,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:46:24,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:46:24,032 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 08:46:24,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:46:24,033 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 08:46:24,033 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 08:46:24,033 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 -> 14fa108cca9f4bd57206cbc5fcf638a76c2417ac [2019-01-12 08:46:24,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:46:24,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:46:24,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:46:24,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:46:24,119 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:46:24,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/isless_true-unreach-call.i [2019-01-12 08:46:24,174 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67a7a3bc/95c3369cf2b7406cb33966fbad497ed1/FLAG3e5d426bf [2019-01-12 08:46:24,667 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:46:24,668 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/isless_true-unreach-call.i [2019-01-12 08:46:24,686 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67a7a3bc/95c3369cf2b7406cb33966fbad497ed1/FLAG3e5d426bf [2019-01-12 08:46:24,961 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67a7a3bc/95c3369cf2b7406cb33966fbad497ed1 [2019-01-12 08:46:24,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:46:24,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:46:24,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:46:24,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:46:24,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:46:24,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:46:24" (1/1) ... [2019-01-12 08:46:24,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694eaae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:24, skipping insertion in model container [2019-01-12 08:46:24,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:46:24" (1/1) ... [2019-01-12 08:46:24,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:46:25,037 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:46:25,566 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:46:25,575 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:46:25,618 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:46:25,972 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:46:25,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25 WrapperNode [2019-01-12 08:46:25,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:46:25,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:46:25,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:46:25,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:46:26,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:46:26,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:46:26,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:46:26,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:46:26,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (1/1) ... [2019-01-12 08:46:26,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:46:26,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:46:26,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:46:26,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:46:26,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (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 08:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:46:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:46:26,532 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:46:26,533 INFO L286 CfgBuilder]: Removed 12 assue(true) statements. [2019-01-12 08:46:26,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:46:26 BoogieIcfgContainer [2019-01-12 08:46:26,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:46:26,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:46:26,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:46:26,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:46:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:46:24" (1/3) ... [2019-01-12 08:46:26,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d635a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:46:26, skipping insertion in model container [2019-01-12 08:46:26,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:46:25" (2/3) ... [2019-01-12 08:46:26,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d635a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:46:26, skipping insertion in model container [2019-01-12 08:46:26,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:46:26" (3/3) ... [2019-01-12 08:46:26,541 INFO L112 eAbstractionObserver]: Analyzing ICFG isless_true-unreach-call.i [2019-01-12 08:46:26,551 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:46:26,560 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-12 08:46:26,576 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-12 08:46:26,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:46:26,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:46:26,611 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:46:26,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:46:26,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:46:26,611 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:46:26,611 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:46:26,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:46:26,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:46:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-12 08:46:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 08:46:26,634 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:46:26,635 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 08:46:26,638 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:46:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:46:26,647 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-01-12 08:46:26,651 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 08:46:26,652 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 08:46:26,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:46:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:46:26,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 08:46:26,799 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 08:46:26,800 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 08:46:26,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 08:46:26,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 08:46:26,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 08:46:26,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 08:46:26,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:46:26,829 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-01-12 08:46:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 08:46:26,928 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-01-12 08:46:26,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 08:46:26,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-12 08:46:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 08:46:26,937 INFO L225 Difference]: With dead ends: 31 [2019-01-12 08:46:26,937 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 08:46:26,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:46:26,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 08:46:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 08:46:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 08:46:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 08:46:26,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-01-12 08:46:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 08:46:26,966 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 08:46:26,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 08:46:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 08:46:26,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 08:46:26,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 08:46:27,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 08:46:27,146 INFO L444 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:46:27,146 INFO L448 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,146 INFO L448 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,146 INFO L444 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:46:27,146 INFO L448 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,147 INFO L448 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,147 INFO L444 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:46:27,147 INFO L448 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,147 INFO L448 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,147 INFO L444 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:46:27,147 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,148 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,149 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,150 INFO L444 ceAbstractionStarter]: At program point L876(lines 869 877) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:46:27,150 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 08:46:27,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 08:46:27,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 08:46:27,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,150 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,151 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-01-12 08:46:27,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:46:27 BoogieIcfgContainer [2019-01-12 08:46:27,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:46:27,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:46:27,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:46:27,176 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:46:27,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:46:26" (3/4) ... [2019-01-12 08:46:27,181 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 08:46:27,197 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-01-12 08:46:27,197 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 08:46:27,262 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 08:46:27,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:46:27,265 INFO L168 Benchmark]: Toolchain (without parser) took 2300.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:46:27,267 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:46:27,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1006.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 825.2 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:27,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 825.2 MB in the beginning and 1.1 GB in the end (delta: -305.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:27,273 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 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 08:46:27,273 INFO L168 Benchmark]: RCFGBuilder took 403.77 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:27,274 INFO L168 Benchmark]: TraceAbstraction took 634.60 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:27,277 INFO L168 Benchmark]: Witness Printer took 92.96 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2019-01-12 08:46:27,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1006.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 825.2 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 825.2 MB in the beginning and 1.1 GB in the end (delta: -305.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.50 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 403.77 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 634.60 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 92.96 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: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 2 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 3 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...