./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 22:56:14,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:14,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:14,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:14,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:14,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:14,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:14,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:14,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:15,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:15,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:15,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:15,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:15,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:15,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:15,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:15,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:15,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:15,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:15,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:15,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:15,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:15,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:15,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:15,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:15,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:15,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:15,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:15,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:15,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:15,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:15,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:15,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:15,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:15,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:15,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:15,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:15,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:15,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:15,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:15,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:15,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:15,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:15,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:15,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:15,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:15,152 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:15,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:15,154 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:15,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:15,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:15,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:15,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:15,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:15,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:15,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:15,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:15,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:15,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:15,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:15,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:15,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:15,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:15,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:15,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:15,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:15,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:15,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:15,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:15,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:15,167 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 [2019-11-25 22:56:15,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:15,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:15,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:15,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:15,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:15,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-25 22:56:15,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ed7c7c5/bbd445a7808c46fca50d7bdc08bc7683/FLAGc9ad4ce41 [2019-11-25 22:56:16,833 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:16,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-25 22:56:16,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ed7c7c5/bbd445a7808c46fca50d7bdc08bc7683/FLAGc9ad4ce41 [2019-11-25 22:56:17,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ed7c7c5/bbd445a7808c46fca50d7bdc08bc7683 [2019-11-25 22:56:17,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:17,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:17,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:17,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:17,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:17,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17, skipping insertion in model container [2019-11-25 22:56:17,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:17,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:17,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:17,557 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:17,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:17,634 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:17,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17 WrapperNode [2019-11-25 22:56:17,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:17,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:17,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:17,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:17,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:17,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:17,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:17,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:17,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:17" (1/1) ... [2019-11-25 22:56:17,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:17,931 INFO L168 Benchmark]: Toolchain (without parser) took 883.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 996.9 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:17,933 INFO L168 Benchmark]: CDTParser took 3.06 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. [2019-11-25 22:56:17,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:17,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 996.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:17,942 INFO L168 Benchmark]: Boogie Preprocessor took 64.10 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:17,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.06 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 592.49 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 948.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 218.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 996.9 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.10 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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 0.1.24-65d6cd2 [2019-11-25 22:56:21,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:21,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:21,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:21,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:21,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:21,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:21,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:21,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:21,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:21,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:21,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:21,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:21,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:21,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:21,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:21,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:21,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:21,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:21,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:21,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:21,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:21,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:21,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:21,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:21,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:21,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:21,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:21,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:21,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:21,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:21,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:21,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:21,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:21,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:21,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:21,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:21,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:21,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:21,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:21,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:21,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:21,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:21,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:21,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:21,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:21,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:21,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:21,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:21,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:21,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:21,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:21,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:21,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:21,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:21,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:21,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:21,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:21,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:21,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:21,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:21,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:21,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:21,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:21,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:21,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:21,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:21,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:21,984 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:21,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:21,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:21,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:21,986 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 [2019-11-25 22:56:22,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:22,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:22,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:22,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:22,543 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:22,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-25 22:56:22,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25967a222/43ed200e4f7f430b9efe5f6a873c7c2a/FLAG54fae8e6d [2019-11-25 22:56:23,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:23,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2019-11-25 22:56:23,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25967a222/43ed200e4f7f430b9efe5f6a873c7c2a/FLAG54fae8e6d [2019-11-25 22:56:23,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25967a222/43ed200e4f7f430b9efe5f6a873c7c2a [2019-11-25 22:56:23,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:23,877 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:23,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:23,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:23,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:23,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:23" (1/1) ... [2019-11-25 22:56:23,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:23, skipping insertion in model container [2019-11-25 22:56:23,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:23" (1/1) ... [2019-11-25 22:56:23,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:23,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:24,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:24,335 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:24,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:24,385 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:24,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24 WrapperNode [2019-11-25 22:56:24,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:24,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:24,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:24,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:24,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:24,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:24,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:24,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:24,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:24" (1/1) ... [2019-11-25 22:56:24,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:24,580 INFO L168 Benchmark]: Toolchain (without parser) took 686.44 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:24,583 INFO L168 Benchmark]: CDTParser took 2.17 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. [2019-11-25 22:56:24,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.91 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. [2019-11-25 22:56:24,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.06 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. [2019-11-25 22:56:24,592 INFO L168 Benchmark]: Boogie Preprocessor took 36.30 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:56:24,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.17 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 503.91 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 130.06 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 36.30 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...