./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.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/nla-digbench-scaling/knuth_valuebound10.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 e79d5f7eb29ccd50ec6996a9354e0141fca8a3e8 ......................................................................................................................................................... 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_1.3.100.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/nla-digbench-scaling/knuth_valuebound10.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 e79d5f7eb29ccd50ec6996a9354e0141fca8a3e8 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:16:03,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:03,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:03,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:03,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:03,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:03,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:03,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:03,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:03,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:03,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:03,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:03,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:03,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:03,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:03,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:03,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:03,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:03,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:03,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:03,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:03,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:03,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:03,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:03,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:03,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:03,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:03,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:03,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:03,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:03,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:03,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:03,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:03,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:03,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:03,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:03,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:03,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:03,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:03,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:03,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:03,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:03,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:03,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:03,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:03,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:03,623 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:03,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:03,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:03,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:03,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:03,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:03,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:03,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:03,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:03,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:03,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:03,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:03,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:03,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:03,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:03,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:03,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:03,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:03,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:03,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:03,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:03,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:03,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:03,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:03,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:03,631 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(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 -> e79d5f7eb29ccd50ec6996a9354e0141fca8a3e8 [2020-10-20 01:16:03,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:03,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:03,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:03,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:03,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:03,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2020-10-20 01:16:03,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61765f02b/d7da49ef8d5746419c773a01e4eef1cc/FLAG8df4fd3a0 [2020-10-20 01:16:04,412 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:04,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2020-10-20 01:16:04,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61765f02b/d7da49ef8d5746419c773a01e4eef1cc/FLAG8df4fd3a0 [2020-10-20 01:16:04,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61765f02b/d7da49ef8d5746419c773a01e4eef1cc [2020-10-20 01:16:04,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:04,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:04,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:04,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:04,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:04,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:04" (1/1) ... [2020-10-20 01:16:04,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d61c2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:04, skipping insertion in model container [2020-10-20 01:16:04,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:04" (1/1) ... [2020-10-20 01:16:04,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:04,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:05,100 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 01:16:05,116 INFO L168 Benchmark]: Toolchain (without parser) took 341.22 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 12.6 MB in the beginning and 29.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:05,118 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 27.2 kB). Peak memory consumption was 27.2 kB. Max. memory is 14.3 GB. [2020-10-20 01:16:05,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.97 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 11.8 MB in the beginning and 29.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:05,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 27.2 kB). Peak memory consumption was 27.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 331.97 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 11.8 MB in the beginning and 29.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:16:07,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:07,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:07,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:07,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:07,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:07,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:07,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:07,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:07,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:07,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:07,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:07,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:07,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:07,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:07,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:07,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:07,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:07,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:07,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:07,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:07,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:07,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:07,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:07,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:07,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:07,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:07,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:07,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:07,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:07,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:07,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:07,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:07,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:07,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:07,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:07,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:07,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:07,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:07,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:07,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:07,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 01:16:07,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:07,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:07,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:07,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:07,285 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:07,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:07,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:07,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:07,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:07,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:07,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:07,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:07,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 01:16:07,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 01:16:07,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:07,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:07,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:07,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:07,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:07,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:07,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:07,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:07,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:07,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:07,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:07,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:07,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 01:16:07,291 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 01:16:07,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:07,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:07,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 01:16:07,291 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(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 -> e79d5f7eb29ccd50ec6996a9354e0141fca8a3e8 [2020-10-20 01:16:07,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:07,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:07,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:07,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:07,553 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:07,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2020-10-20 01:16:07,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bfd92ef/b047337e769e42fc94c2e8528d060065/FLAGf72f41358 [2020-10-20 01:16:08,157 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:08,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2020-10-20 01:16:08,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bfd92ef/b047337e769e42fc94c2e8528d060065/FLAGf72f41358 [2020-10-20 01:16:08,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bfd92ef/b047337e769e42fc94c2e8528d060065 [2020-10-20 01:16:08,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:08,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:08,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:08,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:08,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:08,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:08" (1/1) ... [2020-10-20 01:16:08,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24541a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:08, skipping insertion in model container [2020-10-20 01:16:08,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:08" (1/1) ... [2020-10-20 01:16:08,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:08,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:08,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:08,998 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:09,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:09,049 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:09,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09 WrapperNode [2020-10-20 01:16:09,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:09,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:09,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:09,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:09,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:09,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:09,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:09,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:09,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (1/1) ... [2020-10-20 01:16:09,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:09,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:09,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:09,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:09,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (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 [2020-10-20 01:16:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-20 01:16:12,295 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:12,296 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-10-20 01:16:12,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:12 BoogieIcfgContainer [2020-10-20 01:16:12,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:12,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:12,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:12,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:12,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:08" (1/3) ... [2020-10-20 01:16:12,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6d0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:12, skipping insertion in model container [2020-10-20 01:16:12,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:09" (2/3) ... [2020-10-20 01:16:12,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6d0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:12, skipping insertion in model container [2020-10-20 01:16:12,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:12" (3/3) ... [2020-10-20 01:16:12,307 INFO L111 eAbstractionObserver]: Analyzing ICFG knuth_valuebound10.i [2020-10-20 01:16:12,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:12,336 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:12,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:12,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:12,370 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:12,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:12,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:12,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:12,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:12,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:12,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-20 01:16:12,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:12,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 26 states. [2020-10-20 01:16:12,461 INFO L274 CegarLoopResult]: For program point L6-6(line 6) no Hoare annotation was computed. [2020-10-20 01:16:12,461 INFO L274 CegarLoopResult]: For program point L31-2(lines 31 61) no Hoare annotation was computed. [2020-10-20 01:16:12,461 INFO L274 CegarLoopResult]: For program point L48(lines 48 60) no Hoare annotation was computed. [2020-10-20 01:16:12,462 INFO L277 CegarLoopResult]: At program point L48-2(lines 31 61) the Hoare annotation is: true [2020-10-20 01:16:12,462 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:16:12,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:12,462 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:12,463 INFO L274 CegarLoopResult]: For program point L37(lines 37 60) no Hoare annotation was computed. [2020-10-20 01:16:12,463 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:12,463 INFO L277 CegarLoopResult]: At program point L62(lines 16 63) the Hoare annotation is: true [2020-10-20 01:16:12,463 INFO L274 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:12,463 INFO L277 CegarLoopResult]: At program point L9-1(lines 8 14) the Hoare annotation is: true [2020-10-20 01:16:12,464 INFO L274 CegarLoopResult]: For program point L9-2(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:12,464 INFO L277 CegarLoopResult]: At program point L9-3(lines 8 14) the Hoare annotation is: true [2020-10-20 01:16:12,464 INFO L274 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-10-20 01:16:12,464 INFO L274 CegarLoopResult]: For program point L9-4(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:12,464 INFO L274 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2020-10-20 01:16:12,465 INFO L277 CegarLoopResult]: At program point L9-5(lines 8 14) the Hoare annotation is: true [2020-10-20 01:16:12,465 INFO L274 CegarLoopResult]: For program point L5-2(lines 5 7) no Hoare annotation was computed. [2020-10-20 01:16:12,465 INFO L274 CegarLoopResult]: For program point L9-6(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:12,465 INFO L274 CegarLoopResult]: For program point L5-3(lines 5 7) no Hoare annotation was computed. [2020-10-20 01:16:12,465 INFO L277 CegarLoopResult]: At program point L9-7(line 36) the Hoare annotation is: true [2020-10-20 01:16:12,465 INFO L274 CegarLoopResult]: For program point L43(lines 43 60) no Hoare annotation was computed. [2020-10-20 01:16:12,466 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-20 01:16:12,466 INFO L274 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-10-20 01:16:12,466 INFO L274 CegarLoopResult]: For program point L6-4(line 6) no Hoare annotation was computed. [2020-10-20 01:16:12,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:12 BoogieIcfgContainer [2020-10-20 01:16:12,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:12,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:12,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:12,474 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:12,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:12" (3/4) ... [2020-10-20 01:16:12,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:12,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-20 01:16:12,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:12,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:16:12,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:12,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:12,555 INFO L168 Benchmark]: Toolchain (without parser) took 3964.40 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 18.3 MB in the beginning and 12.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,556 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.18 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 16.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 41.4 MB. Free memory was 16.3 MB in the beginning and 14.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,558 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 ms. Allocated memory is still 41.4 MB. Free memory was 14.3 MB in the beginning and 12.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,558 INFO L168 Benchmark]: RCFGBuilder took 3172.28 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 12.5 MB in the beginning and 12.0 MB in the end (delta: 473.1 kB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,559 INFO L168 Benchmark]: TraceAbstraction took 174.63 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 11.3 MB in the beginning and 17.0 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:16:12,560 INFO L168 Benchmark]: Witness Printer took 78.88 ms. Allocated memory is still 43.0 MB. Free memory was 16.8 MB in the beginning and 12.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:12,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 453.18 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 16.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 41.4 MB. Free memory was 16.3 MB in the beginning and 14.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.14 ms. Allocated memory is still 41.4 MB. Free memory was 14.3 MB in the beginning and 12.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 3172.28 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 12.5 MB in the beginning and 12.0 MB in the end (delta: 473.1 kB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 174.63 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 11.3 MB in the beginning and 17.0 MB in the end (delta: -5.7 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 78.88 ms. Allocated memory is still 43.0 MB. Free memory was 16.8 MB in the beginning and 12.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...