./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max40-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/reducercommutativity/max40-1.i -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 1a2914e785f3e8d19422c826a375052b19ab9823 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/reducercommutativity/max40-1.i -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 1a2914e785f3e8d19422c826a375052b19ab9823 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:32,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:32,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:32,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:32,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:32,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:32,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:32,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:32,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:32,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:32,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:32,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:32,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:32,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:32,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:32,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:32,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:32,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:32,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:32,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:32,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:32,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:32,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:32,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:32,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:32,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:32,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:32,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:32,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:32,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:32,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:32,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:32,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:32,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:32,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:32,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:32,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:32,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:32,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:32,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:32,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:32,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:32,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:32,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:32,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:32,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:32,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:32,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:32,254 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:32,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:32,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:32,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:32,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:32,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:32,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:32,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:32,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:32,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:32,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:32,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:32,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:32,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:32,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:32,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:32,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:32,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:32,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:32,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:32,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:32,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:32,264 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 -> 1a2914e785f3e8d19422c826a375052b19ab9823 [2019-11-26 16:29:32,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:32,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:32,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:32,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:32,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:32,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-26 16:29:32,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c64d110/2f358e997e5b442b9f6ac2055f82c5b5/FLAG8e1323b93 [2019-11-26 16:29:33,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:33,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-26 16:29:33,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c64d110/2f358e997e5b442b9f6ac2055f82c5b5/FLAG8e1323b93 [2019-11-26 16:29:33,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9c64d110/2f358e997e5b442b9f6ac2055f82c5b5 [2019-11-26 16:29:33,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:33,867 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:33,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:33,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:33,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:33,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9f55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33, skipping insertion in model container [2019-11-26 16:29:33,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:33,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:34,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:34,292 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:34,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:34,444 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:34,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34 WrapperNode [2019-11-26 16:29:34,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:34,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:34,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:34,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:34,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:34,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:34,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:34,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:34,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:34" (1/1) ... [2019-11-26 16:29:34,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:34,589 INFO L168 Benchmark]: Toolchain (without parser) took 716.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:34,595 INFO L168 Benchmark]: CDTParser took 0.84 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. [2019-11-26 16:29:34,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:34,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:34,607 INFO L168 Benchmark]: Boogie Preprocessor took 52.70 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:34,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 578.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.70 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:37,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:37,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:37,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:37,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:37,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:37,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:37,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:37,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:37,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:37,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:37,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:37,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:37,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:37,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:37,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:37,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:37,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:37,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:37,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:37,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:37,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:37,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:37,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:37,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:37,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:37,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:37,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:37,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:37,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:37,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:37,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:37,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:37,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:37,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:37,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:37,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:37,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:37,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:37,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:37,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:37,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:37,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:37,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:37,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:37,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:37,455 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:37,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:37,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:37,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:37,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:37,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:37,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:37,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:37,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:37,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:37,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:37,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:37,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:37,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:37,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:37,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:37,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:37,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:37,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:37,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:37,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:37,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:37,465 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:37,465 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:37,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:37,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:37,468 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 -> 1a2914e785f3e8d19422c826a375052b19ab9823 [2019-11-26 16:29:37,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:37,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:37,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:37,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:37,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:37,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-26 16:29:38,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08096ae2/b10558c1403e4faca1fb6acf7cde661a/FLAGdd55eb002 [2019-11-26 16:29:38,762 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:38,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-26 16:29:38,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08096ae2/b10558c1403e4faca1fb6acf7cde661a/FLAGdd55eb002 [2019-11-26 16:29:39,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08096ae2/b10558c1403e4faca1fb6acf7cde661a [2019-11-26 16:29:39,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:39,150 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:39,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:39,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:39,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:39,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58038550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39, skipping insertion in model container [2019-11-26 16:29:39,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:39,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:39,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:39,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:39,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:39,741 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:39,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39 WrapperNode [2019-11-26 16:29:39,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:39,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:39,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:39,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:39,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:39,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:39,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:39,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:39,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:39,895 INFO L168 Benchmark]: Toolchain (without parser) took 742.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 989.7 MB in the end (delta: -22.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:39,896 INFO L168 Benchmark]: CDTParser took 0.36 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. [2019-11-26 16:29:39,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:39,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 995.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:39,900 INFO L168 Benchmark]: Boogie Preprocessor took 81.02 ms. Allocated memory is still 1.0 GB. Free memory was 995.4 MB in the beginning and 989.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:39,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 585.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 66.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 995.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.02 ms. Allocated memory is still 1.0 GB. Free memory was 995.4 MB in the beginning and 989.7 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...