./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/nested_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/loop-acceleration/nested_1-1.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 8ec34260dbdf702968911eb4443c2b37192d60c9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-acceleration/nested_1-1.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 8ec34260dbdf702968911eb4443c2b37192d60c9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:17,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:17,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:17,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:17,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:17,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:17,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:17,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:17,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:17,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:17,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:17,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:17,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:17,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:17,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:17,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:17,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:17,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:17,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:17,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:17,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:17,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:17,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:17,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:17,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:17,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:17,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:17,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:17,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:17,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:17,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:17,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:17,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:17,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:17,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:17,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:17,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:17,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:17,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:17,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:17,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:17,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:17,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:17,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:17,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:17,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:17,937 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:17,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:17,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:17,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:17,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:17,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:17,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:17,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:17,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:17,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:17,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:17,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:17,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:17,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:17,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:17,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:17,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:17,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:17,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:17,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:17,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:17,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:17,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:17,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:17,953 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 -> 8ec34260dbdf702968911eb4443c2b37192d60c9 [2019-11-27 09:51:18,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:18,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:18,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:18,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:18,540 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:18,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-27 09:51:18,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd06043/c9de5c14cf2a4c72808fb2cee692b274/FLAG1ba953602 [2019-11-27 09:51:19,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:19,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-27 09:51:19,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd06043/c9de5c14cf2a4c72808fb2cee692b274/FLAG1ba953602 [2019-11-27 09:51:19,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd06043/c9de5c14cf2a4c72808fb2cee692b274 [2019-11-27 09:51:19,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:19,796 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:19,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:19,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:19,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:19,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19, skipping insertion in model container [2019-11-27 09:51:19,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:19,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:20,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:20,319 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:20,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:20,392 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:20,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20 WrapperNode [2019-11-27 09:51:20,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:20,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:20,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:20,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:20,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:20,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:20,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:20,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:20,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:20" (1/1) ... [2019-11-27 09:51:20,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:20,620 INFO L168 Benchmark]: Toolchain (without parser) took 807.82 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:20,623 INFO L168 Benchmark]: CDTParser took 1.43 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 09:51:20,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.13 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 09:51:20,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.85 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:20,634 INFO L168 Benchmark]: Boogie Preprocessor took 45.60 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:20,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 598.13 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 156.85 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 45.60 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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-da95e15 [2019-11-27 09:51:24,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:24,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:24,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:24,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:24,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:24,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:24,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:24,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:24,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:24,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:24,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:24,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:24,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:24,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:24,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:24,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:24,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:24,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:24,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:24,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:24,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:24,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:24,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:24,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:24,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:24,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:24,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:24,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:24,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:24,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:24,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:24,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:24,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:24,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:24,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:24,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:24,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:24,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:24,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:24,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:24,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:24,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:24,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:24,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:24,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:24,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:24,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:24,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:24,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:24,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:24,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:24,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:24,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:24,720 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:24,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:24,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:24,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:24,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:24,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:24,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:24,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:24,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:24,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:24,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:24,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:24,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:24,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:24,729 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:24,730 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:24,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:24,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:24,733 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 -> 8ec34260dbdf702968911eb4443c2b37192d60c9 [2019-11-27 09:51:25,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:25,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:25,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:25,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:25,322 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:25,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-27 09:51:25,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394ad8021/32ca213fea934c479b4b813f8ec76a41/FLAG9dfa22723 [2019-11-27 09:51:26,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:26,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-27 09:51:26,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394ad8021/32ca213fea934c479b4b813f8ec76a41/FLAG9dfa22723 [2019-11-27 09:51:26,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394ad8021/32ca213fea934c479b4b813f8ec76a41 [2019-11-27 09:51:26,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:26,530 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:26,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:26,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:26,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:26,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26, skipping insertion in model container [2019-11-27 09:51:26,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:26,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:27,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:27,043 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:27,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:27,101 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:27,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27 WrapperNode [2019-11-27 09:51:27,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:27,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:27,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:27,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:27,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:27,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:27,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:27,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:27,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:27" (1/1) ... [2019-11-27 09:51:27,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:27,344 INFO L168 Benchmark]: Toolchain (without parser) took 810.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:27,346 INFO L168 Benchmark]: CDTParser took 0.30 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 09:51:27,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.57 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:27,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:27,356 INFO L168 Benchmark]: Boogie Preprocessor took 55.92 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:27,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 571.57 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 159.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.92 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...