./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg20-2.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/avg20-2.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 f5e81652b9257047806afb0da3b85390243a03ff ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/avg20-2.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 f5e81652b9257047806afb0da3b85390243a03ff ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:35:09,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:09,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:09,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:09,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:09,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:09,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:09,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:09,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:09,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:09,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:09,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:09,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:09,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:09,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:10,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:10,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:10,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:10,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:10,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:10,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:10,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:10,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:10,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:10,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:10,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:10,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:10,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:10,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:10,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:10,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:10,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:10,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:10,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:10,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:10,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:10,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:10,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:10,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:10,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:10,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:10,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:35:10,117 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:10,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:10,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:10,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:10,126 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:10,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:10,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:10,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:35:10,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:10,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:10,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:10,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:10,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:10,130 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:10,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:10,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:10,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:10,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:10,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:10,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:10,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:10,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:10,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:10,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:10,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:10,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:10,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:35:10,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:35:10,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:10,140 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 -> f5e81652b9257047806afb0da3b85390243a03ff [2019-11-24 20:35:10,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:10,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:10,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:10,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:10,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:10,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-24 20:35:10,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf07de3c9/5a142905d4cb405f9711ce2fd5eccfe5/FLAG2f7237082 [2019-11-24 20:35:12,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:12,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-24 20:35:12,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf07de3c9/5a142905d4cb405f9711ce2fd5eccfe5/FLAG2f7237082 [2019-11-24 20:35:12,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf07de3c9/5a142905d4cb405f9711ce2fd5eccfe5 [2019-11-24 20:35:12,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:12,092 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:12,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:12,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:12,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:12,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:12,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12, skipping insertion in model container [2019-11-24 20:35:12,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:12,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:12,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:12,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:12,710 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:12,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:12,909 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:12,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12 WrapperNode [2019-11-24 20:35:12,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:12,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:12,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:12,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:12,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:12,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:13,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:13,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:13,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:13,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:12" (1/1) ... [2019-11-24 20:35:13,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:13,164 INFO L168 Benchmark]: Toolchain (without parser) took 1072.19 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:13,171 INFO L168 Benchmark]: CDTParser took 3.03 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. [2019-11-24 20:35:13,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.32 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 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:13,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.12 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. [2019-11-24 20:35:13,192 INFO L168 Benchmark]: Boogie Preprocessor took 98.29 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:13,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 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 821.32 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 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.12 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. * Boogie Preprocessor took 98.29 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 20:35:17,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:17,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:17,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:17,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:17,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:17,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:17,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:17,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:17,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:17,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:17,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:17,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:17,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:17,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:17,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:17,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:17,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:17,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:17,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:17,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:17,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:17,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:17,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:17,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:17,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:17,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:17,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:17,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:17,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:17,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:17,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:17,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:17,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:17,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:17,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:17,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:17,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:17,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:17,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:17,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:17,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:35:17,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:17,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:17,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:17,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:17,306 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:17,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:17,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:17,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:17,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:17,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:17,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:17,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:17,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:17,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:35:17,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:35:17,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:17,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:17,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:17,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:17,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:17,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:17,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:17,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:17,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:17,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:17,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:17,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:17,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:35:17,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:35:17,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:17,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:35:17,325 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 -> f5e81652b9257047806afb0da3b85390243a03ff [2019-11-24 20:35:17,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:17,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:17,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:17,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:17,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:17,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-24 20:35:18,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542696508/96203114cacc428d84d7360aa6bc3372/FLAGd0cf4f273 [2019-11-24 20:35:19,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:19,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-24 20:35:19,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542696508/96203114cacc428d84d7360aa6bc3372/FLAGd0cf4f273 [2019-11-24 20:35:19,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542696508/96203114cacc428d84d7360aa6bc3372 [2019-11-24 20:35:19,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:19,296 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:19,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:19,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:19,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:19,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:19" (1/1) ... [2019-11-24 20:35:19,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec 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 20:35:19,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:19" (1/1) ... [2019-11-24 20:35:19,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:19,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:19,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:19,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:20,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:20,177 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:20,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:20 WrapperNode [2019-11-24 20:35:20,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:20,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:20,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:20,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:20,212 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 20:35:20,236 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 20:35:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:20,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:20,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:20,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:20,333 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 20:35:20,334 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 20:35:20,354 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 20:35:20,355 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 20:35:20,380 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 20:35:20,394 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 20:35:20,399 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 20:35:20,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:20,424 INFO L168 Benchmark]: Toolchain (without parser) took 1115.29 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. [2019-11-24 20:35:20,426 INFO L168 Benchmark]: CDTParser took 0.32 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 20:35:20,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.04 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: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:20,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.84 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. [2019-11-24 20:35:20,433 INFO L168 Benchmark]: Boogie Preprocessor took 89.26 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. [2019-11-24 20:35:20,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 882.04 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: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 135.84 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 89.26 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...