./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.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 4071762bf336859ae0c9bf352f14642365462fde ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -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 ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.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 4071762bf336859ae0c9bf352f14642365462fde ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:39:56,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:39:56,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:39:56,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:39:56,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:39:56,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:39:56,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:39:56,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:39:56,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:39:56,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:39:56,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:39:56,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:39:56,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:39:56,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:39:56,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:39:56,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:39:56,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:39:56,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:39:56,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:39:56,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:39:56,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:39:56,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:39:56,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:39:56,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:39:56,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:39:56,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:39:56,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:39:56,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:39:56,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:39:56,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:39:56,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:39:56,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:39:56,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:39:56,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:39:56,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:39:56,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:39:56,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:39:56,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:39:56,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:39:56,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:39:56,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:39:56,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:39:56,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:39:56,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:39:56,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:39:56,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:39:56,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:39:56,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:39:56,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:39:56,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:39:56,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:39:56,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:39:56,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:39:56,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:39:56,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:39:56,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:39:56,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:39:56,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:39:56,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:39:56,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:39:56,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:39:56,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:39:56,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:39:56,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:39:56,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:39:56,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:39:56,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:39:56,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:39:56,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:39:56,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:39:56,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 4071762bf336859ae0c9bf352f14642365462fde [2019-11-27 23:39:56,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:39:56,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:39:56,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:39:56,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:39:56,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:39:56,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2019-11-27 23:39:56,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736d52ac/f1594106a9404b78aa8cbcb0576a0404/FLAGca60444e9 [2019-11-27 23:39:57,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:39:57,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2019-11-27 23:39:57,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736d52ac/f1594106a9404b78aa8cbcb0576a0404/FLAGca60444e9 [2019-11-27 23:39:57,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d736d52ac/f1594106a9404b78aa8cbcb0576a0404 [2019-11-27 23:39:57,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:39:57,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:39:57,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:57,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:39:57,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:39:57,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:57" (1/1) ... [2019-11-27 23:39:57,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c086abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:57, skipping insertion in model container [2019-11-27 23:39:57,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:57" (1/1) ... [2019-11-27 23:39:57,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:39:57,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:39:58,130 FATAL L? ?]: 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:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1637) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:2332) 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.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleFloatBuiltinIsLessGreater(StandardFunctionHandler.java:1774) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) 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:1392) 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:1336) 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:1029) 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:1407) 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:3464) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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) [2019-11-27 23:39:58,140 INFO L168 Benchmark]: Toolchain (without parser) took 642.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:58,141 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:58,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:58,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 21.3 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:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:39:59,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:39:59,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:39:59,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:39:59,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:39:59,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:39:59,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:39:59,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:39:59,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:39:59,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:39:59,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:39:59,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:39:59,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:39:59,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:39:59,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:39:59,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:39:59,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:39:59,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:39:59,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:39:59,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:39:59,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:39:59,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:39:59,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:39:59,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:39:59,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:39:59,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:39:59,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:39:59,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:39:59,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:39:59,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:39:59,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:39:59,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:39:59,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:39:59,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:39:59,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:39:59,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:39:59,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:39:59,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:39:59,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:39:59,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:39:59,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:39:59,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:39:59,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:39:59,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:39:59,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:39:59,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:39:59,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:39:59,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:39:59,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:39:59,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:39:59,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:39:59,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:39:59,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:39:59,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:39:59,934 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:39:59,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:39:59,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:39:59,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:39:59,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:39:59,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:39:59,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:39:59,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:39:59,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:39:59,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:39:59,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:39:59,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:39:59,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:39:59,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:39:59,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:39:59,939 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:39:59,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:39:59,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:39:59,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 4071762bf336859ae0c9bf352f14642365462fde [2019-11-27 23:40:00,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:40:00,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:40:00,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:40:00,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:40:00,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:40:00,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2019-11-27 23:40:00,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0d34fce/1aaab06435434d8e8d2585a2cc067172/FLAG16b9ebb89 [2019-11-27 23:40:00,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:40:00,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2019-11-27 23:40:00,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0d34fce/1aaab06435434d8e8d2585a2cc067172/FLAG16b9ebb89 [2019-11-27 23:40:01,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0d34fce/1aaab06435434d8e8d2585a2cc067172 [2019-11-27 23:40:01,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:40:01,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:40:01,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:01,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:40:01,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:40:01,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:01" (1/1) ... [2019-11-27 23:40:01,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:01, skipping insertion in model container [2019-11-27 23:40:01,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:01" (1/1) ... [2019-11-27 23:40:01,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:40:01,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:40:01,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:01,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:40:01,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:02,334 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:40:02,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02 WrapperNode [2019-11-27 23:40:02,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:02,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:02,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:40:02,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:40:02,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:40:02,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:40:02,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:40:02,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:40:02,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:40:02,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:40:02,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:40:02,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:40:02,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (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 [2019-11-27 23:40:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:40:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:40:02,730 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:40:02,730 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:40:02,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:02 BoogieIcfgContainer [2019-11-27 23:40:02,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:40:02,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:40:02,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:40:02,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:40:02,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:40:01" (1/3) ... [2019-11-27 23:40:02,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558f4cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:02, skipping insertion in model container [2019-11-27 23:40:02,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02" (2/3) ... [2019-11-27 23:40:02,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558f4cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:40:02, skipping insertion in model container [2019-11-27 23:40:02,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:02" (3/3) ... [2019-11-27 23:40:02,748 INFO L109 eAbstractionObserver]: Analyzing ICFG islessgreater.i [2019-11-27 23:40:02,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:40:02,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-27 23:40:02,803 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-27 23:40:02,837 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:40:02,837 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:40:02,837 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:40:02,837 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:40:02,838 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:40:02,838 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:40:02,839 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:40:02,839 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:40:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-27 23:40:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:40:02,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:40:02,871 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:40:02,872 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:40:02,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:40:02,879 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-27 23:40:02,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:40:02,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827813623] [2019-11-27 23:40:02,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:40:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:40:02,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 23:40:02,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:40:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:03,062 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:40:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:40:03,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827813623] [2019-11-27 23:40:03,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:40:03,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-27 23:40:03,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725617121] [2019-11-27 23:40:03,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:40:03,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:40:03,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:40:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:40:03,109 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2019-11-27 23:40:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:40:03,184 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2019-11-27 23:40:03,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:40:03,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-27 23:40:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:40:03,196 INFO L225 Difference]: With dead ends: 37 [2019-11-27 23:40:03,197 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:40:03,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:40:03,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:40:03,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:40:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:40:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:40:03,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-27 23:40:03,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:40:03,232 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:40:03,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:40:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:40:03,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:40:03,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:40:03,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:40:03,509 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,509 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,510 INFO L246 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,511 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:40:03,511 INFO L242 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,512 INFO L246 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,512 INFO L246 CegarLoopResult]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,512 INFO L242 CegarLoopResult]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,512 INFO L246 CegarLoopResult]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,512 INFO L246 CegarLoopResult]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,513 INFO L242 CegarLoopResult]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,513 INFO L246 CegarLoopResult]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,513 INFO L246 CegarLoopResult]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,513 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,513 INFO L242 CegarLoopResult]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,514 INFO L246 CegarLoopResult]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,514 INFO L246 CegarLoopResult]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,514 INFO L242 CegarLoopResult]: At program point L867-19(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,515 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-11-27 23:40:03,515 INFO L242 CegarLoopResult]: At program point L877(lines 869 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-27 23:40:03,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:40:03 BoogieIcfgContainer [2019-11-27 23:40:03,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:40:03,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:40:03,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:40:03,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:40:03,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:40:02" (3/4) ... [2019-11-27 23:40:03,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:40:03,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-27 23:40:03,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:40:03,611 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:40:03,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:40:03,615 INFO L168 Benchmark]: Toolchain (without parser) took 2403.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 961.7 MB in the beginning and 947.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 131.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,616 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:40:03,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -49.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:40:03,621 INFO L168 Benchmark]: Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:40:03,623 INFO L168 Benchmark]: RCFGBuilder took 296.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 987.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,624 INFO L168 Benchmark]: TraceAbstraction took 799.95 ms. Allocated memory is still 1.1 GB. Free memory was 987.4 MB in the beginning and 953.9 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,625 INFO L168 Benchmark]: Witness Printer took 78.78 ms. Allocated memory is still 1.1 GB. Free memory was 953.9 MB in the beginning and 947.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1123.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -49.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 296.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 987.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 799.95 ms. Allocated memory is still 1.1 GB. Free memory was 987.4 MB in the beginning and 953.9 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Witness Printer took 78.78 ms. Allocated memory is still 1.1 GB. Free memory was 953.9 MB in the beginning and 947.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 - 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 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 5 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...