./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/prefixsum_iter.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/verifythis/prefixsum_iter.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 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/prefixsum_iter.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 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:57:37,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:37,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:37,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:37,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:37,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:37,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:37,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:37,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:37,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:37,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:37,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:37,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:37,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:37,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:37,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:37,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:37,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:37,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:37,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:37,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:37,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:37,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:37,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:37,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:37,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:37,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:37,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:37,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:37,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:37,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:37,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:37,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:37,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:37,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:37,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:37,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:37,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:37,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:37,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:37,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:37,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:57:37,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:37,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:37,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:37,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:37,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:37,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:37,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:37,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:57:37,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:37,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:37,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:37,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:37,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:37,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:37,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:37,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:37,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:37,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:37,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:37,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:37,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:37,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:37,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:37,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:37,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:37,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:57:37,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:57:37,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:37,904 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 -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-25 22:57:38,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:38,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:38,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:38,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:38,566 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:38,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-25 22:57:38,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78eaa1d69/d66390f2275547d3ae67c0be985daa5c/FLAGde05f851f [2019-11-25 22:57:39,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:39,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-25 22:57:39,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78eaa1d69/d66390f2275547d3ae67c0be985daa5c/FLAGde05f851f [2019-11-25 22:57:39,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78eaa1d69/d66390f2275547d3ae67c0be985daa5c [2019-11-25 22:57:39,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:39,956 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:39,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:39,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:39,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:39,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:39, skipping insertion in model container [2019-11-25 22:57:39,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:39" (1/1) ... [2019-11-25 22:57:39,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:40,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:40,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:40,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:40,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:40,752 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:40,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40 WrapperNode [2019-11-25 22:57:40,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:40,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:40,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:40,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:40,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:40,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:40,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:40,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:40,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:40" (1/1) ... [2019-11-25 22:57:40,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:40,976 INFO L168 Benchmark]: Toolchain (without parser) took 1016.55 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 985.6 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:40,992 INFO L168 Benchmark]: CDTParser took 1.41 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. [2019-11-25 22:57:40,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:40,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:41,001 INFO L168 Benchmark]: Boogie Preprocessor took 82.84 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:41,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 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 786.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.84 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:57:44,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:57:44,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:57:44,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:57:44,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:57:44,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:57:44,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:57:44,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:57:44,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:57:44,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:57:44,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:57:44,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:57:44,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:57:44,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:57:44,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:57:44,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:57:44,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:57:44,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:57:44,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:57:44,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:57:44,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:57:44,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:57:44,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:57:44,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:57:44,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:57:44,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:57:44,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:57:44,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:57:44,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:57:44,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:57:44,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:57:44,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:57:44,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:57:44,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:57:44,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:57:44,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:57:44,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:57:44,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:57:44,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:57:44,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:57:44,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:57:44,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:57:44,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:57:44,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:57:44,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:57:44,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:57:44,997 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:57:44,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:57:45,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:57:45,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:57:45,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:57:45,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:57:45,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:57:45,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:57:45,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:57:45,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:57:45,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:57:45,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:57:45,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:57:45,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:57:45,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:57:45,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:57:45,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:57:45,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:57:45,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:57:45,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:57:45,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:57:45,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:57:45,014 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:57:45,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:57:45,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:57:45,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:57:45,017 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 -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-25 22:57:45,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:57:45,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:57:45,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:57:45,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:57:45,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:57:45,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-25 22:57:45,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3b77930/1ac267ec41f94eb9aca76fff2e02747e/FLAG4d9e61ac5 [2019-11-25 22:57:46,899 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:57:46,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-25 22:57:46,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3b77930/1ac267ec41f94eb9aca76fff2e02747e/FLAG4d9e61ac5 [2019-11-25 22:57:46,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3b77930/1ac267ec41f94eb9aca76fff2e02747e [2019-11-25 22:57:46,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:57:46,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:57:46,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:46,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:57:46,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:57:46,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:46,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:46, skipping insertion in model container [2019-11-25 22:57:46,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:57:46" (1/1) ... [2019-11-25 22:57:47,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:57:47,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:57:47,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:47,639 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:57:47,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:57:47,861 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:57:47,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47 WrapperNode [2019-11-25 22:57:47,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:57:47,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:47,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:57:47,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:57:47,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:47,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:57:47,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:57:47,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:57:47,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:57:48,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:57:47" (1/1) ... [2019-11-25 22:57:48,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:57:48,095 INFO L168 Benchmark]: Toolchain (without parser) took 1122.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.5 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:48,096 INFO L168 Benchmark]: CDTParser took 2.93 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. [2019-11-25 22:57:48,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.84 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:48,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:57:48,113 INFO L168 Benchmark]: Boogie Preprocessor took 97.44 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:57:48,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 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 885.84 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.44 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...