./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 32f26835 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 0.1.24-32f2683 [2019-11-24 20:35:17,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:17,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:17,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:17,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:17,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:17,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:17,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:17,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:17,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:17,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:17,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:17,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:17,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:17,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:17,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:17,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:17,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:17,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:17,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:17,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:17,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:17,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:17,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:17,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:17,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:17,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:17,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:17,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:17,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:17,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:17,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:17,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:17,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:17,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:17,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:17,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:17,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:17,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:17,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:17,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:17,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:35:17,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:17,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:17,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:17,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:17,888 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:17,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:17,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:17,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:35:17,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:17,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:17,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:17,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:17,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:17,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:17,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:17,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:17,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:17,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:17,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:17,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:17,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:17,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:17,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:17,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:17,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:17,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:17,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:35:17,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:35:17,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:17,900 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 [2019-11-24 20:35:18,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:18,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:18,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:18,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:18,356 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:18,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-24 20:35:18,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee1725f98/615e26c25ad742bc8c4beabd2279b154/FLAG7c291fbd0 [2019-11-24 20:35:19,173 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:19,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-24 20:35:19,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee1725f98/615e26c25ad742bc8c4beabd2279b154/FLAG7c291fbd0 [2019-11-24 20:35:19,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee1725f98/615e26c25ad742bc8c4beabd2279b154 [2019-11-24 20:35:19,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:19,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:19,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:19,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:19,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:19,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:19" (1/1) ... [2019-11-24 20:35:19,551 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 24.11 08:35:19, skipping insertion in model container [2019-11-24 20:35:19,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:19" (1/1) ... [2019-11-24 20:35:19,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:19,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:19,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:19,988 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:20,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:20,129 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:20,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20 WrapperNode [2019-11-24 20:35:20,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:20,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:20,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:20,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:20,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:20,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:20,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:20,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:20,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20" (1/1) ... [2019-11-24 20:35:20,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:20,291 INFO L168 Benchmark]: Toolchain (without parser) took 755.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.9 MB in the end (delta: -28.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:20,292 INFO L168 Benchmark]: CDTParser took 0.69 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. [2019-11-24 20:35:20,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.60 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 989.9 MB in the end (delta: -28.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:20,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:20,310 INFO L168 Benchmark]: Boogie Preprocessor took 59.81 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:20,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 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 607.60 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 989.9 MB in the end (delta: -28.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.81 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 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 0.1.24-32f2683 [2019-11-24 20:35:22,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:22,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:22,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:22,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:22,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:22,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:23,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:23,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:23,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:23,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:23,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:23,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:23,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:23,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:23,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:23,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:23,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:23,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:23,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:23,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:23,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:23,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:23,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:23,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:23,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:23,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:23,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:23,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:23,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:23,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:23,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:23,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:23,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:23,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:23,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:23,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:23,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:23,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:23,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:23,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:23,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:35:23,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:23,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:23,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:23,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:23,112 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:23,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:23,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:23,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:23,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:23,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:23,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:23,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:23,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:23,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:35:23,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:35:23,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:23,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:23,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:23,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:23,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:23,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:23,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:23,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:23,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:23,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:23,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:23,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:23,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:35:23,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:35:23,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:23,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:35:23,126 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 [2019-11-24 20:35:23,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:23,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:23,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:23,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:23,566 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:23,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-24 20:35:23,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e55187a/7a91f056b19345b28de1dcb7d44006f3/FLAGcce5bf4e1 [2019-11-24 20:35:24,392 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:24,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max40-1.i [2019-11-24 20:35:24,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e55187a/7a91f056b19345b28de1dcb7d44006f3/FLAGcce5bf4e1 [2019-11-24 20:35:24,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e55187a/7a91f056b19345b28de1dcb7d44006f3 [2019-11-24 20:35:24,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:24,749 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:24,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:24,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:24,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:24,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:24" (1/1) ... [2019-11-24 20:35:24,768 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 24.11 08:35:24, skipping insertion in model container [2019-11-24 20:35:24,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:24" (1/1) ... [2019-11-24 20:35:24,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:24,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:25,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:25,141 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:25,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:25,273 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:25,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25 WrapperNode [2019-11-24 20:35:25,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:25,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:25,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:25,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:25,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:25,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:25,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:25,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:25,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:25" (1/1) ... [2019-11-24 20:35:25,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:25,406 INFO L168 Benchmark]: Toolchain (without parser) took 654.36 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 989.7 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:25,409 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-24 20:35:25,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.13 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 995.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:25,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.60 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:25,414 INFO L168 Benchmark]: Boogie Preprocessor took 62.79 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 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. [2019-11-24 20:35:25,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 522.13 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 995.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 63.60 ms. Allocated memory is still 1.0 GB. Free memory is still 995.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.79 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 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...