./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/isless.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54a68f41 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isless.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41702c7d40626c92e3d083fcb074e6568a31805 ............................................................................................................................................................................ 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isless.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41702c7d40626c92e3d083fcb074e6568a31805 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-54a68f4 [2020-12-03 18:59:13,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:13,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:13,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:13,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:13,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:13,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:13,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:13,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:13,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:13,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:13,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:13,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:13,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:13,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:13,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:13,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:13,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:13,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:13,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:13,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:13,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:13,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:13,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:13,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:13,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:13,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:13,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:13,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:13,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:13,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:13,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:13,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:13,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:13,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:13,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:13,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:13,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:13,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:13,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:13,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:13,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 18:59:13,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:13,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:13,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:13,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:13,632 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:13,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:13,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:13,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 18:59:13,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:13,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:13,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:13,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:13,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:13,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:13,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:13,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:13,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:13,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:13,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:13,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:13,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:13,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:13,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:13,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:13,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 18:59:13,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 18:59:13,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:13,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:13,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2020-12-03 18:59:14,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:14,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:14,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:14,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:14,092 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:14,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isless.i [2020-12-03 18:59:14,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee112dd1/eb249b6eb5cb4193a58cb0b630d1a15b/FLAG6af0befa2 [2020-12-03 18:59:14,887 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:14,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isless.i [2020-12-03 18:59:14,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee112dd1/eb249b6eb5cb4193a58cb0b630d1a15b/FLAG6af0befa2 [2020-12-03 18:59:15,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ee112dd1/eb249b6eb5cb4193a58cb0b630d1a15b [2020-12-03 18:59:15,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:15,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:15,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:15,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:15,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:15,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:15" (1/1) ... [2020-12-03 18:59:15,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed824ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:15, skipping insertion in model container [2020-12-03 18:59:15,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:15" (1/1) ... [2020-12-03 18:59:15,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:15,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:15,840 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isless.i[36281,36294] [2020-12-03 18:59:15,853 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.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:2343) 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.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1769) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:368) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:2343) 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.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:1409) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-03 18:59:15,862 INFO L168 Benchmark]: Toolchain (without parser) took 686.40 ms. Allocated memory is still 56.6 MB. Free memory was 32.1 MB in the beginning and 33.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:15,863 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 56.6 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:15,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.31 ms. Allocated memory is still 56.6 MB. Free memory was 31.9 MB in the beginning and 33.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:15,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 56.6 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.31 ms. Allocated memory is still 56.6 MB. Free memory was 31.9 MB in the beginning and 33.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 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 0.2.1-54a68f4 [2020-12-03 18:59:18,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:18,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:18,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:18,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:18,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:18,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:18,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:18,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:18,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:18,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:18,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:18,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:18,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:18,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:18,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:18,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:18,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:18,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:18,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:18,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:18,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:18,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:18,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:18,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:18,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:18,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:18,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:18,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:18,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:18,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:18,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:18,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:18,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:18,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:18,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:18,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:18,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:18,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:18,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:18,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:18,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 18:59:18,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:18,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:18,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:18,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:18,504 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:18,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:18,505 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:18,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:18,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:18,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:18,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:18,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:18,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 18:59:18,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 18:59:18,507 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:18,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:18,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:18,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:18,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:18,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:18,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:18,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:18,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:18,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:18,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:18,510 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 18:59:18,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 18:59:18,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:18,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:18,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 18:59:18,512 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2020-12-03 18:59:18,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:18,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:18,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:18,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:18,966 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:18,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isless.i [2020-12-03 18:59:19,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b9e5ced/aa5140205b254b0596989236bb45387f/FLAG7cfc87a41 [2020-12-03 18:59:19,884 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:19,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isless.i [2020-12-03 18:59:19,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b9e5ced/aa5140205b254b0596989236bb45387f/FLAG7cfc87a41 [2020-12-03 18:59:20,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b9e5ced/aa5140205b254b0596989236bb45387f [2020-12-03 18:59:20,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:20,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:20,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:20,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:20,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:20,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:20" (1/1) ... [2020-12-03 18:59:20,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e96359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:20, skipping insertion in model container [2020-12-03 18:59:20,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:20" (1/1) ... [2020-12-03 18:59:20,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:20,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:20,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isless.i[36281,36294] [2020-12-03 18:59:20,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 18:59:20,997 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 18:59:21,036 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isless.i[36281,36294] [2020-12-03 18:59:21,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 18:59:21,404 INFO L208 MainTranslator]: Completed translation [2020-12-03 18:59:21,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21 WrapperNode [2020-12-03 18:59:21,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:21,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 18:59:21,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 18:59:21,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 18:59:21,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 18:59:21,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 18:59:21,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 18:59:21,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 18:59:21,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (1/1) ... [2020-12-03 18:59:21,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 18:59:21,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 18:59:21,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 18:59:21,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 18:59:21,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (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 [2020-12-03 18:59:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 18:59:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 18:59:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 18:59:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 18:59:21,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 18:59:21,921 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-03 18:59:21,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:21 BoogieIcfgContainer [2020-12-03 18:59:21,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 18:59:21,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 18:59:21,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 18:59:21,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 18:59:21,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:59:20" (1/3) ... [2020-12-03 18:59:21,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fe39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:59:21, skipping insertion in model container [2020-12-03 18:59:21,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:21" (2/3) ... [2020-12-03 18:59:21,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fe39e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:59:21, skipping insertion in model container [2020-12-03 18:59:21,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:21" (3/3) ... [2020-12-03 18:59:21,935 INFO L111 eAbstractionObserver]: Analyzing ICFG isless.i [2020-12-03 18:59:21,955 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 18:59:21,960 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-03 18:59:21,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-03 18:59:22,011 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 18:59:22,012 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 18:59:22,012 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 18:59:22,012 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 18:59:22,012 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 18:59:22,013 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 18:59:22,013 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 18:59:22,013 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 18:59:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-03 18:59:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 18:59:22,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 18:59:22,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 18:59:22,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 18:59:22,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 18:59:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-03 18:59:22,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 18:59:22,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254882868] [2020-12-03 18:59:22,061 INFO L95 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 [2020-12-03 18:59:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 18:59:22,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 18:59:22,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 18:59:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 18:59:22,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 18:59:22,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254882868] [2020-12-03 18:59:22,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 18:59:22,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 18:59:22,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280126950] [2020-12-03 18:59:22,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 18:59:22,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 18:59:22,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 18:59:22,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 18:59:22,305 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-12-03 18:59:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 18:59:22,364 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-12-03 18:59:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 18:59:22,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-03 18:59:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 18:59:22,374 INFO L225 Difference]: With dead ends: 31 [2020-12-03 18:59:22,374 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 18:59:22,378 INFO L677 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 [2020-12-03 18:59:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 18:59:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 18:59:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 18:59:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 18:59:22,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-03 18:59:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 18:59:22,420 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 18:59:22,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 18:59:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 18:59:22,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 18:59:22,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 18:59:22,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 18:59:22,711 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 18:59:22,711 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,712 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,712 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,713 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,713 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:22,718 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,718 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,719 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:22,719 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,719 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,720 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:22,720 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,720 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,720 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 18:59:22,721 INFO L258 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:22,721 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 18:59:22,721 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 18:59:22,721 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,721 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:22,722 INFO L258 CegarLoopResult]: At program point L887(lines 880 888) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:22,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:59:22 BoogieIcfgContainer [2020-12-03 18:59:22,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 18:59:22,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 18:59:22,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 18:59:22,750 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 18:59:22,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:21" (3/4) ... [2020-12-03 18:59:22,755 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 18:59:22,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-03 18:59:22,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-03 18:59:22,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 18:59:22,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 18:59:22,843 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 18:59:22,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 18:59:22,847 INFO L168 Benchmark]: Toolchain (without parser) took 2719.35 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 27.7 MB in the beginning and 39.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.7 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:22,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1276.74 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 22.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.94 ms. Allocated memory is still 69.2 MB. Free memory was 22.4 MB in the beginning and 19.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,858 INFO L168 Benchmark]: Boogie Preprocessor took 36.41 ms. Allocated memory is still 69.2 MB. Free memory was 19.8 MB in the beginning and 49.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,859 INFO L168 Benchmark]: RCFGBuilder took 393.89 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 36.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,859 INFO L168 Benchmark]: TraceAbstraction took 820.02 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 41.3 MB in the end (delta: -4.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:22,860 INFO L168 Benchmark]: Witness Printer took 94.14 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:22,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.7 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1276.74 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 27.5 MB in the beginning and 22.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.94 ms. Allocated memory is still 69.2 MB. Free memory was 22.4 MB in the beginning and 19.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.41 ms. Allocated memory is still 69.2 MB. Free memory was 19.8 MB in the beginning and 49.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 393.89 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 36.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 820.02 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 41.3 MB in the end (delta: -4.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 94.14 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 2 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...