./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/multivar_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/multivar_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 47ad01c017bb4213ccbeb2beae10f17d6888c844 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/multivar_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 47ad01c017bb4213ccbeb2beae10f17d6888c844 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:16,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:16,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:16,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:16,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:16,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:16,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:17,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:17,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:17,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:17,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:17,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:17,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:17,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:17,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:17,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:17,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:17,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:17,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:17,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:17,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:17,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:17,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:17,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:17,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:17,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:17,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:17,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:17,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:17,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:17,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:17,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:17,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:17,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:17,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:17,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:17,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:17,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:17,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:17,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:17,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:17,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:17,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:17,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:17,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:17,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:17,180 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:17,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:17,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:17,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:17,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:17,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:17,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:17,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:17,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:17,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:17,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:17,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:17,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:17,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:17,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:17,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:17,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:17,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:17,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:17,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:17,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:17,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:17,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:17,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:17,196 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 -> 47ad01c017bb4213ccbeb2beae10f17d6888c844 [2019-11-27 09:51:17,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:17,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:17,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:17,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:17,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:17,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 09:51:17,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a728b28/2fb3e08810bb42c0b705030fa74ee1f0/FLAG7fba5ab82 [2019-11-27 09:51:19,044 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:19,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 09:51:19,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a728b28/2fb3e08810bb42c0b705030fa74ee1f0/FLAG7fba5ab82 [2019-11-27 09:51:19,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a728b28/2fb3e08810bb42c0b705030fa74ee1f0 [2019-11-27 09:51:19,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:19,112 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:19,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:19,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:19,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:19,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19, skipping insertion in model container [2019-11-27 09:51:19,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:19,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:19,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:19,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:19,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:19,690 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:19,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19 WrapperNode [2019-11-27 09:51:19,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:19,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:19,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:19,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:19,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:19,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:19,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:19,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:19,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:19" (1/1) ... [2019-11-27 09:51:19,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:19,936 INFO L168 Benchmark]: Toolchain (without parser) took 807.99 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. [2019-11-27 09:51:19,938 INFO L168 Benchmark]: CDTParser took 1.38 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. [2019-11-27 09:51:19,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.76 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. [2019-11-27 09:51:19,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:19,949 INFO L168 Benchmark]: Boogie Preprocessor took 38.62 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. [2019-11-27 09:51:19,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 580.76 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 173.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.62 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:23,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:23,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:23,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:23,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:23,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:23,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:23,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:23,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:23,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:23,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:23,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:23,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:23,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:23,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:23,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:23,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:24,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:24,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:24,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:24,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:24,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:24,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:24,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:24,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:24,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:24,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:24,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:24,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:24,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:24,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:24,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:24,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:24,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:24,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:24,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:24,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:24,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:24,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:24,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:24,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:24,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:24,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:24,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:24,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:24,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:24,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:24,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:24,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:24,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:24,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:24,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:24,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:24,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:24,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:24,135 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:24,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:24,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:24,139 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:24,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:24,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:24,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:24,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:24,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:24,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:24,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:24,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:24,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:24,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:24,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:24,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:24,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:24,147 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 -> 47ad01c017bb4213ccbeb2beae10f17d6888c844 [2019-11-27 09:51:24,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:24,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:24,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:24,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:24,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:24,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 09:51:24,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f48cb19/332910a9743540daacc76d1e959d6cfc/FLAG2b900a9dd [2019-11-27 09:51:25,986 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:25,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 09:51:26,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f48cb19/332910a9743540daacc76d1e959d6cfc/FLAG2b900a9dd [2019-11-27 09:51:26,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f48cb19/332910a9743540daacc76d1e959d6cfc [2019-11-27 09:51:26,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:26,049 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:26,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:26,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:26,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:26,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65159f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26, skipping insertion in model container [2019-11-27 09:51:26,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:26,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:26,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:26,565 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:26,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:26,634 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:26,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26 WrapperNode [2019-11-27 09:51:26,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:26,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:26,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:26,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:26,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:26,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:26,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:26,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:26,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:26" (1/1) ... [2019-11-27 09:51:26,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:26,859 INFO L168 Benchmark]: Toolchain (without parser) took 791.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:26,864 INFO L168 Benchmark]: CDTParser took 2.80 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:26,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.31 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:26,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:26,871 INFO L168 Benchmark]: Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:26,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.80 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 581.31 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 155.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...