./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/drift_tenth.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/drift_tenth.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebf754a3963f6f2e62a58c5af4648497776f95f2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/drift_tenth.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebf754a3963f6f2e62a58c5af4648497776f95f2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:53,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:53,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:53,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:53,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:53,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:53,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:53,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:53,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:53,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:53,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:53,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:53,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:53,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:53,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:53,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:53,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:53,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:53,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:53,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:53,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:53,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:53,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:53,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:53,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:53,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:53,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:53,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:53,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:53,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:53,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:53,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:53,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:53,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:53,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:53,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:53,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:53,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:53,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:53,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:53,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:53,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:53,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:53,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:53,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:53,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:53,809 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:53,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:53,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:53,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:53,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:53,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:53,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:53,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:53,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:53,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:53,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:53,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:53,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:53,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:53,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:53,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:53,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:53,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:53,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:53,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:53,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:53,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:53,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:53,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:53,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-27 16:06:54,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:54,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:54,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:54,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:54,436 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:54,439 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 16:06:54,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4b516a7/d342d906e6994d04b861d22534f1ecdb/FLAG2b1efb8d9 [2019-11-27 16:06:55,666 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:55,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 16:06:55,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4b516a7/d342d906e6994d04b861d22534f1ecdb/FLAG2b1efb8d9 [2019-11-27 16:06:55,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4b516a7/d342d906e6994d04b861d22534f1ecdb [2019-11-27 16:06:55,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:55,739 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:55,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:55,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:55,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:55,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:55" (1/1) ... [2019-11-27 16:06:55,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:55, skipping insertion in model container [2019-11-27 16:06:55,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:55" (1/1) ... [2019-11-27 16:06:55,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:55,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:56,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:56,300 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:56,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:56,390 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:56,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56 WrapperNode [2019-11-27 16:06:56,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:56,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:56,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:56,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:56,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:56,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:56,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:56,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:56,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:56" (1/1) ... [2019-11-27 16:06:56,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:56,650 INFO L168 Benchmark]: Toolchain (without parser) took 900.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:56,652 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:56,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.37 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:56,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:56,662 INFO L168 Benchmark]: Boogie Preprocessor took 53.10 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:56,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 654.37 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 185.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.10 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:07:00,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:00,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:00,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:00,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:00,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:00,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:00,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:00,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:00,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:00,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:00,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:00,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:00,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:00,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:00,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:00,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:00,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:00,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:00,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:00,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:00,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:00,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:00,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:00,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:00,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:00,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:00,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:00,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:00,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:00,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:00,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:00,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:00,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:00,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:00,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:00,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:00,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:00,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:00,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:00,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:00,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:00,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:00,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:00,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:00,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:00,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:00,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:00,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:00,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:00,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:00,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:00,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:00,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:00,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:00,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:00,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:00,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:00,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:00,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:00,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:00,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:00,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:00,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:00,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:00,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:00,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:00,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:00,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:00,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:00,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:00,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:00,906 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebf754a3963f6f2e62a58c5af4648497776f95f2 [2019-11-27 16:07:01,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:01,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:01,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:01,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:01,599 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:01,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 16:07:01,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355c985ba/5e19eac4576d40a496aea241e39050a8/FLAGa1f8537ab [2019-11-27 16:07:02,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:02,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/drift_tenth.c [2019-11-27 16:07:02,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355c985ba/5e19eac4576d40a496aea241e39050a8/FLAGa1f8537ab [2019-11-27 16:07:02,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355c985ba/5e19eac4576d40a496aea241e39050a8 [2019-11-27 16:07:02,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:02,921 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:02,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:02,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:02,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:02,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:02,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68b475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:02, skipping insertion in model container [2019-11-27 16:07:02,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:02" (1/1) ... [2019-11-27 16:07:02,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:03,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:03,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:03,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:03,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:03,605 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:03,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03 WrapperNode [2019-11-27 16:07:03,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:03,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:03,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:03,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:03,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:03,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:03,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:03,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:03,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:03" (1/1) ... [2019-11-27 16:07:03,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:03,899 INFO L168 Benchmark]: Toolchain (without parser) took 970.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,901 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:03,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:03,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:03,910 INFO L168 Benchmark]: Boogie Preprocessor took 87.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:03,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 684.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.11 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...