./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:02,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:02,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:02,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:02,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:02,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:02,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:02,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:02,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:02,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:02,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:02,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:02,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:02,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:02,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:02,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:02,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:02,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:02,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:02,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:02,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:02,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:02,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:02,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:02,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:02,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:02,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:02,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:02,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:02,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:02,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:02,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:02,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:02,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:02,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:02,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:02,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:02,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:02,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:02,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:02,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:02,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:02,668 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:02,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:02,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:02,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:02,675 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:02,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:02,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:02,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:02,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:02,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:02,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:02,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:02,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:02,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:02,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:02,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:02,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:02,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:02,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:02,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:02,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:02,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:02,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:02,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:02,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:02,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:02,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:02,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:02,693 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-26 17:05:03,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:03,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:03,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:03,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:03,325 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:03,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:05:03,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecc4af1a/8ebb6e7483d14982989ded32c7a040b3/FLAG4fdaf3cbb [2019-11-26 17:05:04,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:04,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:05:04,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecc4af1a/8ebb6e7483d14982989ded32c7a040b3/FLAG4fdaf3cbb [2019-11-26 17:05:04,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cecc4af1a/8ebb6e7483d14982989ded32c7a040b3 [2019-11-26 17:05:04,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:04,698 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:04,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:04,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:04,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:04,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:04" (1/1) ... [2019-11-26 17:05:04,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:04, skipping insertion in model container [2019-11-26 17:05:04,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:04" (1/1) ... [2019-11-26 17:05:04,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:04,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:05,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:05,340 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:05,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:05,530 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:05,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05 WrapperNode [2019-11-26 17:05:05,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:05,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:05,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:05,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:05,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:05,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:05,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:05,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:05,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:05" (1/1) ... [2019-11-26 17:05:05,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:05,756 INFO L168 Benchmark]: Toolchain (without parser) took 1052.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.9 MB in the end (delta: -13.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:05,757 INFO L168 Benchmark]: CDTParser took 3.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:05,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:05,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.84 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:05,773 INFO L168 Benchmark]: Boogie Preprocessor took 109.39 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:05,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 827.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.84 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 109.39 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 979.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. 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 0.1.24-025d5a2 [2019-11-26 17:05:09,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:09,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:09,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:09,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:09,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:09,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:09,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:09,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:09,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:09,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:09,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:09,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:09,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:09,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:09,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:09,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:09,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:09,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:09,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:09,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:09,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:09,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:09,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:09,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:09,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:09,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:09,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:09,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:09,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:09,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:09,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:09,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:09,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:09,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:09,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:09,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:09,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:09,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:09,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:09,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:09,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:09,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:09,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:09,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:09,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:09,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:09,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:09,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:09,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:09,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:09,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:09,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:09,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:09,902 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:09,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:09,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:09,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:09,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:09,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:09,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:09,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:09,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:09,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:09,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:09,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:09,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:09,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:09,909 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:09,909 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:09,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:09,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:09,912 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-26 17:05:10,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:10,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:10,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:10,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:10,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:10,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:05:10,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82682a6ba/1081ead392ff45ef92c3f3faf8e082c3/FLAGb6d26bb16 [2019-11-26 17:05:11,891 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:11,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-26 17:05:11,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82682a6ba/1081ead392ff45ef92c3f3faf8e082c3/FLAGb6d26bb16 [2019-11-26 17:05:11,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82682a6ba/1081ead392ff45ef92c3f3faf8e082c3 [2019-11-26 17:05:11,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:11,967 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:11,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:11,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:11,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:11,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:11" (1/1) ... [2019-11-26 17:05:11,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:11, skipping insertion in model container [2019-11-26 17:05:11,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:11" (1/1) ... [2019-11-26 17:05:12,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:12,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:12,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:12,526 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:12,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:12,741 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:12,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12 WrapperNode [2019-11-26 17:05:12,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:12,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:12,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:12,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:12,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:12,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:12,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:12,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:12,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:12,959 INFO L168 Benchmark]: Toolchain (without parser) took 989.27 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,960 INFO L168 Benchmark]: CDTParser took 0.63 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. [2019-11-26 17:05:12,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.12 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:12,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,977 INFO L168 Benchmark]: Boogie Preprocessor took 89.82 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:12,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 772.12 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 108.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.82 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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...