./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/sum.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 e17f830a1ee9b998b40fe12c0d4d25b23cde3738 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sum.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 e17f830a1ee9b998b40fe12c0d4d25b23cde3738 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:21:23,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:23,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:23,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:23,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:23,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:23,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:24,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:24,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:24,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:24,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:24,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:24,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:24,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:24,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:24,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:24,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:24,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:24,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:24,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:24,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:24,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:24,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:24,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:24,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:24,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:24,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:24,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:24,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:24,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:24,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:24,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:24,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:24,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:24,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:24,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:24,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:24,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:24,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:24,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:24,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:24,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:21:24,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:24,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:24,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:24,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:24,174 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:24,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:24,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:24,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:21:24,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:24,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:24,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:24,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:24,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:24,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:24,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:24,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:24,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:24,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:24,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:24,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:24,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:24,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:24,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:24,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:24,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:24,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:21:24,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:21:24,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:24,192 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 -> e17f830a1ee9b998b40fe12c0d4d25b23cde3738 [2019-11-25 22:21:24,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:24,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:24,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:24,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:24,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:24,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum.i [2019-11-25 22:21:25,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5713493/c823c28812f8441eb048d606a499df5b/FLAGb68e59ed0 [2019-11-25 22:21:26,118 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:26,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum.i [2019-11-25 22:21:26,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5713493/c823c28812f8441eb048d606a499df5b/FLAGb68e59ed0 [2019-11-25 22:21:26,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb5713493/c823c28812f8441eb048d606a499df5b [2019-11-25 22:21:26,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:26,192 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:26,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:26,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:26,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:26,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26, skipping insertion in model container [2019-11-25 22:21:26,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:26,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:26,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:26,722 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:26,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:26,903 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:26,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26 WrapperNode [2019-11-25 22:21:26,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:26,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:26,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:26,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:26,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:26,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:26,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:26,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:26,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:26,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:26" (1/1) ... [2019-11-25 22:21:27,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:27,072 INFO L168 Benchmark]: Toolchain (without parser) took 858.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:27,075 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. [2019-11-25 22:21:27,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.42 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 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:27,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.39 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:27,083 INFO L168 Benchmark]: Boogie Preprocessor took 70.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:27,097 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 709.42 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 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 71.39 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-65d6cd2 [2019-11-25 22:21:30,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:30,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:31,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:31,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:31,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:31,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:31,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:31,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:31,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:31,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:31,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:31,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:31,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:31,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:31,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:31,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:31,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:31,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:31,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:31,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:31,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:31,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:31,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:31,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:31,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:31,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:31,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:31,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:31,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:31,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:31,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:31,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:31,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:31,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:31,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:31,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:31,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:31,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:31,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:31,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:31,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:21:31,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:31,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:31,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:31,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:31,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:31,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:31,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:31,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:31,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:31,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:31,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:31,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:31,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:21:31,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:21:31,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:31,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:31,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:31,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:31,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:31,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:31,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:31,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:31,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:31,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:31,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:31,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:31,205 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:21:31,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:21:31,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:31,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:21:31,206 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 -> e17f830a1ee9b998b40fe12c0d4d25b23cde3738 [2019-11-25 22:21:31,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:31,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:31,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:31,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:31,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:31,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum.i [2019-11-25 22:21:32,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018699f99/7bf242c9b1a14a71a2a99b43238103a3/FLAGe984d14e1 [2019-11-25 22:21:33,104 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:33,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum.i [2019-11-25 22:21:33,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018699f99/7bf242c9b1a14a71a2a99b43238103a3/FLAGe984d14e1 [2019-11-25 22:21:33,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018699f99/7bf242c9b1a14a71a2a99b43238103a3 [2019-11-25 22:21:33,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:33,175 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:33,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:33,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:33,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:33,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:33,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33, skipping insertion in model container [2019-11-25 22:21:33,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:33,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:33,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:33,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:33,748 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:33,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:33,962 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:33,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33 WrapperNode [2019-11-25 22:21:33,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:33,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:33,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:33,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:33,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:34,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:34,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:34,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:34,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:33" (1/1) ... [2019-11-25 22:21:34,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:34,140 INFO L168 Benchmark]: Toolchain (without parser) took 965.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.1 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:34,142 INFO L168 Benchmark]: CDTParser took 3.12 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. [2019-11-25 22:21:34,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:34,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.49 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:34,148 INFO L168 Benchmark]: Boogie Preprocessor took 82.18 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:34,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 785.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 78.49 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.18 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...