./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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 ../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.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 c599722bf4472e5257b44bde64cbe0ca8e424a8c .............................................................................................................................................................. 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 ../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.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 c599722bf4472e5257b44bde64cbe0ca8e424a8c .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:38:05,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:38:05,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:38:05,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:38:05,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:38:05,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:38:05,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:38:05,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:38:05,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:38:05,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:38:05,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:38:05,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:38:05,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:38:05,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:38:05,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:38:05,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:38:05,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:38:05,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:38:05,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:38:05,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:38:05,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:38:05,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:38:05,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:38:05,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:38:05,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:38:05,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:38:05,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:38:05,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:38:05,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:38:05,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:38:05,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:38:05,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:38:05,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:38:05,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:38:05,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:38:05,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:38:05,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:38:05,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:38:05,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:38:05,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:38:05,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:38:05,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:38:05,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:38:05,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:38:05,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:38:05,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:38:05,773 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:38:05,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:38:05,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:38:05,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:38:05,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:38:05,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:38:05,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:38:05,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:38:05,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:38:05,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:38:05,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:38:05,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:38:05,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:38:05,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:38:05,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:38:05,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:38:05,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:38:05,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:38:05,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:38:05,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:38:05,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:38:05,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:38:05,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:38:05,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:38:05,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:38:05,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c599722bf4472e5257b44bde64cbe0ca8e424a8c [2020-10-25 22:38:06,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:38:06,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:38:06,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:38:06,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:38:06,273 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:38:06,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2020-10-25 22:38:06,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e744642e/f97a191fed6f47b085f69cd5546b4f76/FLAG7b0ea635d [2020-10-25 22:38:06,900 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:38:06,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2020-10-25 22:38:06,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e744642e/f97a191fed6f47b085f69cd5546b4f76/FLAG7b0ea635d [2020-10-25 22:38:07,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e744642e/f97a191fed6f47b085f69cd5546b4f76 [2020-10-25 22:38:07,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:38:07,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:38:07,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:07,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:38:07,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:38:07,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:07" (1/1) ... [2020-10-25 22:38:07,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680322ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:07, skipping insertion in model container [2020-10-25 22:38:07,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:07" (1/1) ... [2020-10-25 22:38:07,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:38:07,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:38:07,528 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:63) [2020-10-25 22:38:07,536 INFO L168 Benchmark]: Toolchain (without parser) took 266.23 ms. Allocated memory is still 44.0 MB. Free memory was 25.5 MB in the beginning and 24.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:07,537 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 44.0 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:07,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.88 ms. Allocated memory is still 44.0 MB. Free memory was 25.0 MB in the beginning and 24.4 MB in the end (delta: 566.1 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:07,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 44.0 MB. Free memory is still 28.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.88 ms. Allocated memory is still 44.0 MB. Free memory was 25.0 MB in the beginning and 24.4 MB in the end (delta: 566.1 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 0.2.0-5485861 [2020-10-25 22:38:09,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:38:09,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:38:09,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:38:09,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:38:10,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:38:10,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:38:10,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:38:10,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:38:10,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:38:10,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:38:10,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:38:10,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:38:10,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:38:10,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:38:10,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:38:10,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:38:10,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:38:10,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:38:10,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:38:10,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:38:10,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:38:10,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:38:10,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:38:10,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:38:10,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:38:10,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:38:10,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:38:10,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:38:10,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:38:10,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:38:10,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:38:10,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:38:10,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:38:10,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:38:10,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:38:10,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:38:10,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:38:10,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:38:10,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:38:10,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:38:10,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 22:38:10,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:38:10,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:38:10,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:38:10,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:38:10,129 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:38:10,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:38:10,130 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:38:10,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:38:10,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:38:10,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:38:10,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:38:10,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:38:10,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 22:38:10,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 22:38:10,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:38:10,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:38:10,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:38:10,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:38:10,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:38:10,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:38:10,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:38:10,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:38:10,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:38:10,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:38:10,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:38:10,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:38:10,137 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 22:38:10,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 22:38:10,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:38:10,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:38:10,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 22:38:10,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c599722bf4472e5257b44bde64cbe0ca8e424a8c [2020-10-25 22:38:10,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:38:10,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:38:10,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:38:10,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:38:10,672 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:38:10,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2020-10-25 22:38:10,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b0765d2/90b0302c78f842818f29895740982419/FLAGb1a3cf8f0 [2020-10-25 22:38:11,408 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:38:11,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound10.i [2020-10-25 22:38:11,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b0765d2/90b0302c78f842818f29895740982419/FLAGb1a3cf8f0 [2020-10-25 22:38:11,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b0765d2/90b0302c78f842818f29895740982419 [2020-10-25 22:38:11,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:38:11,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:38:11,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:11,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:38:11,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:38:11,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:11" (1/1) ... [2020-10-25 22:38:11,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fae0d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:11, skipping insertion in model container [2020-10-25 22:38:11,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:11" (1/1) ... [2020-10-25 22:38:11,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:38:11,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:38:11,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:12,001 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:38:12,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:12,059 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:38:12,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12 WrapperNode [2020-10-25 22:38:12,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:12,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:12,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:38:12,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:38:12,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:12,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:38:12,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:38:12,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:38:12,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (1/1) ... [2020-10-25 22:38:12,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:38:12,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:38:12,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:38:12,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:38:12,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (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 [2020-10-25 22:38:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:38:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:38:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-25 22:38:15,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:38:15,365 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-25 22:38:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:15 BoogieIcfgContainer [2020-10-25 22:38:15,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:38:15,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:38:15,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:38:15,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:38:15,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:38:11" (1/3) ... [2020-10-25 22:38:15,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb702b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:15, skipping insertion in model container [2020-10-25 22:38:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:12" (2/3) ... [2020-10-25 22:38:15,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb702b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:15, skipping insertion in model container [2020-10-25 22:38:15,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:15" (3/3) ... [2020-10-25 22:38:15,378 INFO L111 eAbstractionObserver]: Analyzing ICFG knuth_unwindbound10.i [2020-10-25 22:38:15,392 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:38:15,399 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-25 22:38:15,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-25 22:38:15,441 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:38:15,441 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:38:15,442 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:38:15,442 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:38:15,442 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:38:15,442 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:38:15,442 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:38:15,442 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:38:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-10-25 22:38:15,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:38:15,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 23 states. [2020-10-25 22:38:15,529 INFO L274 CegarLoopResult]: For program point L36(lines 36 59) no Hoare annotation was computed. [2020-10-25 22:38:15,530 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:38:15,530 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:38:15,530 INFO L277 CegarLoopResult]: At program point L61(lines 17 62) the Hoare annotation is: true [2020-10-25 22:38:15,530 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:38:15,530 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:38:15,530 INFO L274 CegarLoopResult]: For program point L42(lines 42 59) no Hoare annotation was computed. [2020-10-25 22:38:15,531 INFO L274 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:15,531 INFO L277 CegarLoopResult]: At program point L9-1(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:15,531 INFO L274 CegarLoopResult]: For program point L9-2(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:15,531 INFO L277 CegarLoopResult]: At program point L9-3(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:15,531 INFO L274 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:15,531 INFO L274 CegarLoopResult]: For program point L9-4(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:15,532 INFO L274 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:15,538 INFO L277 CegarLoopResult]: At program point L9-5(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:15,539 INFO L274 CegarLoopResult]: For program point L9-6(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:15,539 INFO L277 CegarLoopResult]: At program point L9-7(line 35) the Hoare annotation is: true [2020-10-25 22:38:15,539 INFO L274 CegarLoopResult]: For program point L30-1(lines 30 60) no Hoare annotation was computed. [2020-10-25 22:38:15,540 INFO L274 CegarLoopResult]: For program point L30-3(lines 30 60) no Hoare annotation was computed. [2020-10-25 22:38:15,540 INFO L274 CegarLoopResult]: For program point L47(lines 47 59) no Hoare annotation was computed. [2020-10-25 22:38:15,541 INFO L277 CegarLoopResult]: At program point L47-2(lines 30 60) the Hoare annotation is: true [2020-10-25 22:38:15,541 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-25 22:38:15,541 INFO L274 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-10-25 22:38:15,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:38:15 BoogieIcfgContainer [2020-10-25 22:38:15,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:38:15,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:38:15,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:38:15,554 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:38:15,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:15" (3/4) ... [2020-10-25 22:38:15,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:38:15,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-25 22:38:15,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-25 22:38:15,702 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:38:15,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:38:15,705 INFO L168 Benchmark]: Toolchain (without parser) took 3928.91 ms. Allocated memory is still 46.1 MB. Free memory was 29.7 MB in the beginning and 28.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,705 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 20.6 MB in the beginning and 20.6 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:15,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.61 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 29.7 MB in the end (delta: -566.5 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.81 ms. Allocated memory is still 46.1 MB. Free memory was 29.7 MB in the beginning and 27.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:15,707 INFO L168 Benchmark]: Boogie Preprocessor took 33.69 ms. Allocated memory is still 46.1 MB. Free memory was 27.8 MB in the beginning and 26.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,708 INFO L168 Benchmark]: RCFGBuilder took 3224.87 ms. Allocated memory is still 46.1 MB. Free memory was 26.4 MB in the beginning and 23.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,708 INFO L168 Benchmark]: TraceAbstraction took 182.73 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 26.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,709 INFO L168 Benchmark]: Witness Printer took 148.87 ms. Allocated memory is still 46.1 MB. Free memory was 26.6 MB in the beginning and 28.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:15,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 20.6 MB in the beginning and 20.6 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.61 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 29.7 MB in the end (delta: -566.5 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.81 ms. Allocated memory is still 46.1 MB. Free memory was 29.7 MB in the beginning and 27.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.69 ms. Allocated memory is still 46.1 MB. Free memory was 27.8 MB in the beginning and 26.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3224.87 ms. Allocated memory is still 46.1 MB. Free memory was 26.4 MB in the beginning and 23.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 182.73 ms. Allocated memory is still 46.1 MB. Free memory was 22.9 MB in the beginning and 26.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Witness Printer took 148.87 ms. Allocated memory is still 46.1 MB. Free memory was 26.6 MB in the beginning and 28.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 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=23occurred 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...