./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/functions_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/functions_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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/functions_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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:09:59,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:09:59,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:09:59,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:09:59,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:09:59,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:09:59,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:09:59,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:09:59,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:09:59,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:09:59,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:09:59,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:09:59,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:09:59,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:09:59,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:09:59,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:09:59,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:09:59,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:09:59,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:09:59,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:09:59,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:09:59,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:09:59,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:09:59,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:09:59,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:09:59,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:09:59,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:09:59,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:09:59,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:09:59,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:09:59,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:09:59,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:09:59,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:09:59,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:09:59,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:09:59,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:09:59,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:09:59,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:09:59,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:09:59,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:09:59,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:09:59,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:00,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:00,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:00,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:00,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:00,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:00,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:00,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:00,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:00,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:00,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:00,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:00,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:00,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:00,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:00,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:00,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:00,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:00,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:00,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:00,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:00,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:00,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:00,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:00,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:00,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:00,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:00,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:00,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:00,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:00,029 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-24 21:10:00,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:00,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:00,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:00,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:00,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:00,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-24 21:10:00,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6c82f31/54852292689147f3b8447b03e61167fb/FLAG1617ee41c [2019-11-24 21:10:01,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:01,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-24 21:10:01,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6c82f31/54852292689147f3b8447b03e61167fb/FLAG1617ee41c [2019-11-24 21:10:01,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6c82f31/54852292689147f3b8447b03e61167fb [2019-11-24 21:10:01,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:01,879 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:01,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:01,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:01,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:01,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:01" (1/1) ... [2019-11-24 21:10:01,906 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 24.11 09:10:01, skipping insertion in model container [2019-11-24 21:10:01,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:01" (1/1) ... [2019-11-24 21:10:01,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:01,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:02,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:02,443 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:02,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:02,524 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:02,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02 WrapperNode [2019-11-24 21:10:02,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:02,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:02,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:02,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:02,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:02,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:02,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:02,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:02,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:02" (1/1) ... [2019-11-24 21:10:02,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:02,775 INFO L168 Benchmark]: Toolchain (without parser) took 888.51 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:02,777 INFO L168 Benchmark]: CDTParser took 3.10 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. [2019-11-24 21:10:02,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.36 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. [2019-11-24 21:10:02,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:02,785 INFO L168 Benchmark]: Boogie Preprocessor took 51.27 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:02,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 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 642.36 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 184.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 51.27 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:06,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:06,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:06,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:06,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:06,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:06,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:06,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:06,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:06,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:06,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:06,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:06,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:06,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:06,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:06,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:06,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:06,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:06,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:06,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:06,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:06,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:06,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:06,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:06,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:06,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:06,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:06,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:06,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:06,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:06,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:06,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:06,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:06,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:06,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:06,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:06,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:06,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:06,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:06,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:06,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:06,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:10:06,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:06,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:06,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:06,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:06,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:06,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:06,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:06,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:06,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:06,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:06,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:06,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:06,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:06,910 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:10:06,910 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:10:06,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:06,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:06,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:06,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:06,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:06,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:06,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:06,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:06,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:06,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:06,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:06,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:06,921 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:10:06,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:10:06,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:06,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:10:06,924 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-24 21:10:07,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:07,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:07,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:07,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:07,534 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:07,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-24 21:10:07,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dddbd822/b85540ba59b44c3b9477feae71533bfe/FLAG40e84efa1 [2019-11-24 21:10:08,777 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:08,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-24 21:10:08,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dddbd822/b85540ba59b44c3b9477feae71533bfe/FLAG40e84efa1 [2019-11-24 21:10:08,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dddbd822/b85540ba59b44c3b9477feae71533bfe [2019-11-24 21:10:08,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:08,849 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:08,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:08,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:08,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:08,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:08" (1/1) ... [2019-11-24 21:10:08,874 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 24.11 09:10:08, skipping insertion in model container [2019-11-24 21:10:08,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:08" (1/1) ... [2019-11-24 21:10:08,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:08,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:10:09,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:09,379 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:10:09,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:10:09,427 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:10:09,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09 WrapperNode [2019-11-24 21:10:09,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:09,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:09,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:10:09,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:10:09,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:10:09,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:10:09,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:10:09,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:10:09,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:09" (1/1) ... [2019-11-24 21:10:09,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:10:09,662 INFO L168 Benchmark]: Toolchain (without parser) took 804.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:10:09,675 INFO L168 Benchmark]: CDTParser took 2.40 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. [2019-11-24 21:10:09,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.76 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:09,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:09,687 INFO L168 Benchmark]: Boogie Preprocessor took 55.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:10:09,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 573.76 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 165.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.29 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...