./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/MultCommutative-2.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/recursive/MultCommutative-2.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 a755472942b72da612d26a2f3af20ed4332f07b5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/recursive/MultCommutative-2.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 a755472942b72da612d26a2f3af20ed4332f07b5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:59:34,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:34,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:34,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:34,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:34,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:34,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:34,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:34,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:34,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:34,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:34,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:34,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:34,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:34,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:34,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:34,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:34,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:34,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:34,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:34,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:34,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:34,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:34,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:34,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:34,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:34,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:34,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:34,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:34,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:34,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:34,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:34,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:34,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:34,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:34,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:34,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:34,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:34,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:34,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:34,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:34,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:34,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:34,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:34,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:34,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:34,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:34,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:34,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:34,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:34,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:34,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:34,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:34,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:34,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:34,425 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:34,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:34,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:34,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:34,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:34,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:34,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:34,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:34,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:34,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:34,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:34,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:34,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:34,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:34,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:34,436 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 -> a755472942b72da612d26a2f3af20ed4332f07b5 [2019-11-27 09:59:34,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:35,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:35,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:35,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:35,033 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:35,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-27 09:59:35,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af7fc830/7eb4a5259b5345cb86a84f404990767c/FLAG9eb5bab42 [2019-11-27 09:59:36,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:36,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-27 09:59:36,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af7fc830/7eb4a5259b5345cb86a84f404990767c/FLAG9eb5bab42 [2019-11-27 09:59:36,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af7fc830/7eb4a5259b5345cb86a84f404990767c [2019-11-27 09:59:36,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:36,375 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:36,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:36,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:36,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:36,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:36" (1/1) ... [2019-11-27 09:59:36,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:36, skipping insertion in model container [2019-11-27 09:59:36,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:36" (1/1) ... [2019-11-27 09:59:36,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:36,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:36,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:36,924 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:36,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:37,004 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:37,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37 WrapperNode [2019-11-27 09:59:37,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:37,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:37,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:37,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:37,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:37,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:37,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:37,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:37,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:37" (1/1) ... [2019-11-27 09:59:37,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:37,229 INFO L168 Benchmark]: Toolchain (without parser) took 847.03 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 991.2 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:37,232 INFO L168 Benchmark]: CDTParser took 0.46 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 09:59:37,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.18 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 09:59:37,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.76 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:37,241 INFO L168 Benchmark]: Boogie Preprocessor took 56.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:37,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 629.18 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 150.76 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.85 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:41,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:41,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:41,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:41,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:41,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:41,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:41,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:41,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:41,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:41,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:41,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:41,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:41,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:41,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:41,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:41,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:41,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:41,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:41,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:41,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:41,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:41,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:41,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:41,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:41,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:41,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:41,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:41,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:41,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:41,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:41,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:41,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:41,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:41,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:41,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:41,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:41,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:41,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:41,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:41,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:41,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:41,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:41,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:41,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:41,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:41,372 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:41,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:41,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:41,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:41,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:41,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:41,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:41,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:41,379 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:41,379 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:41,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:41,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:41,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:41,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:41,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:41,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:41,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:41,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:41,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:41,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:41,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:41,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:41,388 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:41,388 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:41,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:41,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:41,390 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 -> a755472942b72da612d26a2f3af20ed4332f07b5 [2019-11-27 09:59:41,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:41,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:41,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:41,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:41,988 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:41,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-27 09:59:42,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b06a259/d023a873832349228750dfde969ddf86/FLAG4d9928dbe [2019-11-27 09:59:43,228 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:43,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/MultCommutative-2.c [2019-11-27 09:59:43,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b06a259/d023a873832349228750dfde969ddf86/FLAG4d9928dbe [2019-11-27 09:59:43,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b06a259/d023a873832349228750dfde969ddf86 [2019-11-27 09:59:43,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:43,300 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:43,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:43,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:43,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:43,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:43,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43, skipping insertion in model container [2019-11-27 09:59:43,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:43,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:43,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:43,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:43,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:43,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:43,879 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:43,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43 WrapperNode [2019-11-27 09:59:43,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:43,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:43,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:43,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:43,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:44,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:44,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:44,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:44,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:43" (1/1) ... [2019-11-27 09:59:44,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:44,150 INFO L168 Benchmark]: Toolchain (without parser) took 840.59 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:44,151 INFO L168 Benchmark]: CDTParser took 0.44 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 09:59:44,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.26 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 09:59:44,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.86 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:44,160 INFO L168 Benchmark]: Boogie Preprocessor took 67.70 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:44,172 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 577.26 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 174.86 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.70 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...