./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 509859d6 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 0.1.24-509859d [2019-11-27 16:13:05,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:05,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:05,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:05,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:05,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:05,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:05,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:05,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:05,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:05,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:05,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:05,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:05,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:05,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:05,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:05,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:05,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:05,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:05,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:05,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:05,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:05,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:05,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:05,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:05,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:05,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:05,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:05,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:05,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:05,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:05,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:05,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:05,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:05,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:05,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:05,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:05,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:05,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:05,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:05,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:05,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:05,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:05,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:05,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:05,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:05,421 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:05,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:05,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:05,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:05,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:05,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:05,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:05,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:05,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:05,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:05,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:05,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:05,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:05,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:05,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:05,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:05,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:05,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:05,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:05,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:05,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:05,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:05,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:05,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:05,433 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 16:13:05,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:05,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:05,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:05,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:05,959 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:05,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 16:13:06,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015aea4ba/a6e0e544ad2145049b043241db223dc8/FLAGe1132efbc [2019-11-27 16:13:07,136 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:07,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 16:13:07,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015aea4ba/a6e0e544ad2145049b043241db223dc8/FLAGe1132efbc [2019-11-27 16:13:07,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015aea4ba/a6e0e544ad2145049b043241db223dc8 [2019-11-27 16:13:07,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:07,208 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:07,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:07,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:07,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:07,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,239 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 04:13:07, skipping insertion in model container [2019-11-27 16:13:07,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:07,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:07,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:07,722 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:07,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:07,767 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:07,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07 WrapperNode [2019-11-27 16:13:07,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:07,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:07,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:07,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:07,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:07,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:07,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:07,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:07,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:07" (1/1) ... [2019-11-27 16:13:07,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:07,981 INFO L168 Benchmark]: Toolchain (without parser) took 756.08 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. [2019-11-27 16:13:07,983 INFO L168 Benchmark]: CDTParser took 0.60 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 16:13:07,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.14 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 16:13:07,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:07,994 INFO L168 Benchmark]: Boogie Preprocessor took 35.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:08,005 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 556.14 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 147.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.30 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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 0.1.24-509859d [2019-11-27 16:13:11,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:11,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:11,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:11,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:11,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:11,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:12,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:12,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:12,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:12,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:12,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:12,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:12,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:12,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:12,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:12,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:12,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:12,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:12,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:12,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:12,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:12,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:12,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:12,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:12,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:12,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:12,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:12,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:12,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:12,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:12,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:12,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:12,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:12,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:12,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:12,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:12,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:12,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:12,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:12,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:12,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:12,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:12,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:12,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:12,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:12,188 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:12,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:12,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:12,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:12,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:12,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:12,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:12,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:12,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:12,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:12,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:12,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:12,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:12,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:12,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:12,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:12,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:12,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:12,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:12,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:12,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:12,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:12,203 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:12,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:12,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:12,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:12,205 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 16:13:12,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:12,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:12,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:12,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:12,827 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:12,831 INFO L428 ainManager$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 16:13:12,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2334a5b1/f196e064c54d42748024a406fe0368a5/FLAGc02264e35 [2019-11-27 16:13:13,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:13,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/multivar_1-1.c [2019-11-27 16:13:14,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2334a5b1/f196e064c54d42748024a406fe0368a5/FLAGc02264e35 [2019-11-27 16:13:14,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2334a5b1/f196e064c54d42748024a406fe0368a5 [2019-11-27 16:13:14,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:14,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:14,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:14,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:14,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:14,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc55fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14, skipping insertion in model container [2019-11-27 16:13:14,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:14,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:14,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:14,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:14,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:14,601 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:14,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14 WrapperNode [2019-11-27 16:13:14,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:14,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:14,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:14,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:14,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:14,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:14,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:14,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:14,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:14" (1/1) ... [2019-11-27 16:13:14,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:14,808 INFO L168 Benchmark]: Toolchain (without parser) took 733.75 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:14,811 INFO L168 Benchmark]: CDTParser took 0.44 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 16:13:14,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.89 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 16:13:14,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.00 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 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:14,821 INFO L168 Benchmark]: Boogie Preprocessor took 31.23 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 16:13:14,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 543.89 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 144.00 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 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.23 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...