./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound100.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_valuebound100.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 fd1cb13574fca49d17fad16d13b069db0f3c6b68 .............................................................................................................................................................. 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_valuebound100.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 fd1cb13574fca49d17fad16d13b069db0f3c6b68 ......................................................................................................................................................................................................................................................... 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 22:38:08,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:38:08,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:38:09,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:38:09,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:38:09,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:38:09,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:38:09,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:38:09,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:38:09,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:38:09,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:38:09,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:38:09,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:38:09,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:38:09,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:38:09,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:38:09,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:38:09,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:38:09,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:38:09,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:38:09,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:38:09,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:38:09,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:38:09,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:38:09,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:38:09,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:38:09,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:38:09,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:38:09,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:38:09,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:38:09,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:38:09,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:38:09,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:38:09,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:38:09,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:38:09,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:38:09,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:38:09,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:38:09,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:38:09,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:38:09,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:38:09,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:38:09,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:38:09,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:38:09,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:38:09,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:38:09,112 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:38:09,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:38:09,112 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:38:09,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:38:09,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:38:09,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:38:09,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:38:09,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:38:09,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:38:09,114 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:38:09,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:38:09,114 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:38:09,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:38:09,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:38:09,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:38:09,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:38:09,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:38:09,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:38:09,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:38:09,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:38:09,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:38:09,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:38:09,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:38:09,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:38:09,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:38:09,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1cb13574fca49d17fad16d13b069db0f3c6b68 [2020-10-25 22:38:09,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:38:09,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:38:09,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:38:09,593 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:38:09,594 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:38:09,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound100.i [2020-10-25 22:38:09,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d63fb231/fbb1d6a9a2604d9297adfc3313ea1e95/FLAG25437831d [2020-10-25 22:38:10,392 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:38:10,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound100.i [2020-10-25 22:38:10,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d63fb231/fbb1d6a9a2604d9297adfc3313ea1e95/FLAG25437831d [2020-10-25 22:38:10,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d63fb231/fbb1d6a9a2604d9297adfc3313ea1e95 [2020-10-25 22:38:10,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:38:10,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:38:10,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:10,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:38:10,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:38:10,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:10" (1/1) ... [2020-10-25 22:38:10,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39211e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:10, skipping insertion in model container [2020-10-25 22:38:10,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:10" (1/1) ... [2020-10-25 22:38:10,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:38:10,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:38:11,050 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 22:38:11,056 INFO L168 Benchmark]: Toolchain (without parser) took 280.77 ms. Allocated memory is still 41.9 MB. Free memory was 20.3 MB in the beginning and 21.1 MB in the end (delta: -823.6 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:11,057 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:11,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.83 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 21.1 MB in the end (delta: -1.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:11,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 35.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.83 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 21.1 MB in the end (delta: -1.5 MB). Peak memory consumption was 3.4 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 22:38:13,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:38:13,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:38:13,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:38:13,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:38:13,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:38:13,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:38:13,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:38:13,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:38:13,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:38:13,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:38:13,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:38:13,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:38:13,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:38:13,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:38:13,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:38:13,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:38:13,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:38:13,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:38:13,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:38:13,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:38:13,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:38:13,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:38:13,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:38:13,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:38:13,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:38:13,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:38:13,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:38:13,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:38:13,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:38:13,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:38:13,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:38:13,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:38:13,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:38:13,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:38:13,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:38:13,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:38:13,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:38:13,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:38:13,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:38:13,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:38:13,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 22:38:13,671 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:38:13,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:38:13,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:38:13,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:38:13,674 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:38:13,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:38:13,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:38:13,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:38:13,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:38:13,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:38:13,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:38:13,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:38:13,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 22:38:13,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 22:38:13,677 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:38:13,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:38:13,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:38:13,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:38:13,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:38:13,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:38:13,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:38:13,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:38:13,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:38:13,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:38:13,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:38:13,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:38:13,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 22:38:13,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 22:38:13,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:38:13,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:38:13,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 22:38:13,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1cb13574fca49d17fad16d13b069db0f3c6b68 [2020-10-25 22:38:14,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:38:14,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:38:14,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:38:14,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:38:14,246 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:38:14,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound100.i [2020-10-25 22:38:14,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498e8be/94f0d092e8de4ecdb68dea5b0f822b27/FLAGaf3dccb7f [2020-10-25 22:38:14,908 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:38:14,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound100.i [2020-10-25 22:38:14,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498e8be/94f0d092e8de4ecdb68dea5b0f822b27/FLAGaf3dccb7f [2020-10-25 22:38:15,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498e8be/94f0d092e8de4ecdb68dea5b0f822b27 [2020-10-25 22:38:15,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:38:15,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:38:15,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:15,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:38:15,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:38:15,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a43ebf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15, skipping insertion in model container [2020-10-25 22:38:15,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:38:15,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:38:15,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:15,696 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:38:15,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:15,796 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:38:15,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15 WrapperNode [2020-10-25 22:38:15,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:15,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:15,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:38:15,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:38:15,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:15,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:38:15,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:38:15,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:38:15,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (1/1) ... [2020-10-25 22:38:15,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:38:15,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:38:15,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:38:15,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:38:15,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (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 22:38:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:38:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:38:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-25 22:38:19,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:38:19,479 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-10-25 22:38:19,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:19 BoogieIcfgContainer [2020-10-25 22:38:19,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:38:19,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:38:19,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:38:19,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:38:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:38:15" (1/3) ... [2020-10-25 22:38:19,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afdaab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:19, skipping insertion in model container [2020-10-25 22:38:19,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:15" (2/3) ... [2020-10-25 22:38:19,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afdaab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:19, skipping insertion in model container [2020-10-25 22:38:19,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:19" (3/3) ... [2020-10-25 22:38:19,491 INFO L111 eAbstractionObserver]: Analyzing ICFG knuth_valuebound100.i [2020-10-25 22:38:19,505 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:38:19,510 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-25 22:38:19,524 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-25 22:38:19,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:38:19,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:38:19,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:38:19,555 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:38:19,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:38:19,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:38:19,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:38:19,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:38:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-25 22:38:19,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:38:19,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 26 states. [2020-10-25 22:38:19,659 INFO L274 CegarLoopResult]: For program point L6-6(line 6) no Hoare annotation was computed. [2020-10-25 22:38:19,659 INFO L274 CegarLoopResult]: For program point L31-2(lines 31 61) no Hoare annotation was computed. [2020-10-25 22:38:19,659 INFO L274 CegarLoopResult]: For program point L48(lines 48 60) no Hoare annotation was computed. [2020-10-25 22:38:19,660 INFO L277 CegarLoopResult]: At program point L48-2(lines 31 61) the Hoare annotation is: true [2020-10-25 22:38:19,660 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:38:19,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:38:19,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:38:19,660 INFO L274 CegarLoopResult]: For program point L37(lines 37 60) no Hoare annotation was computed. [2020-10-25 22:38:19,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:38:19,661 INFO L277 CegarLoopResult]: At program point L62(lines 16 63) the Hoare annotation is: true [2020-10-25 22:38:19,661 INFO L274 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:19,661 INFO L277 CegarLoopResult]: At program point L9-1(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:19,662 INFO L274 CegarLoopResult]: For program point L9-2(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:19,662 INFO L277 CegarLoopResult]: At program point L9-3(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:19,662 INFO L274 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:19,662 INFO L274 CegarLoopResult]: For program point L9-4(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:19,662 INFO L274 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:19,663 INFO L277 CegarLoopResult]: At program point L9-5(lines 8 14) the Hoare annotation is: true [2020-10-25 22:38:19,663 INFO L274 CegarLoopResult]: For program point L5-2(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:19,663 INFO L274 CegarLoopResult]: For program point L9-6(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:38:19,663 INFO L274 CegarLoopResult]: For program point L5-3(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:38:19,663 INFO L277 CegarLoopResult]: At program point L9-7(line 36) the Hoare annotation is: true [2020-10-25 22:38:19,663 INFO L274 CegarLoopResult]: For program point L43(lines 43 60) no Hoare annotation was computed. [2020-10-25 22:38:19,664 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-25 22:38:19,664 INFO L274 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-10-25 22:38:19,664 INFO L274 CegarLoopResult]: For program point L6-4(line 6) no Hoare annotation was computed. [2020-10-25 22:38:19,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:38:19 BoogieIcfgContainer [2020-10-25 22:38:19,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:38:19,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:38:19,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:38:19,675 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:38:19,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:19" (3/4) ... [2020-10-25 22:38:19,679 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:38:19,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-25 22:38:19,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 22:38:19,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:38:19,765 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:38:19,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:38:19,768 INFO L168 Benchmark]: Toolchain (without parser) took 4467.93 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 24.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:19,768 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 44.0 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:19,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.72 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 23.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:19,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.29 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 21.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:19,770 INFO L168 Benchmark]: Boogie Preprocessor took 35.77 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 20.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:19,771 INFO L168 Benchmark]: RCFGBuilder took 3546.71 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.2 MB in the beginning and 36.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:19,772 INFO L168 Benchmark]: TraceAbstraction took 190.31 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 27.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:19,773 INFO L168 Benchmark]: Witness Printer took 90.89 ms. Allocated memory is still 54.5 MB. Free memory was 27.6 MB in the beginning and 24.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:19,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 44.0 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 491.72 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 23.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.29 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 21.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.77 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 20.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 3546.71 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.2 MB in the beginning and 36.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 190.31 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 27.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 90.89 ms. Allocated memory is still 54.5 MB. Free memory was 27.6 MB in the beginning and 24.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 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: 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...