./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/max.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 c721a987debd4748cfed075333b7fa46c2d0f9ef ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/max.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 c721a987debd4748cfed075333b7fa46c2d0f9ef .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:22,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:22,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:22,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:22,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:22,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:22,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:22,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:22,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:22,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:22,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:22,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:22,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:22,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:22,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:22,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:22,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:22,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:22,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:22,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:22,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:22,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:22,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:22,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:22,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:22,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:22,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:22,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:22,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:22,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:22,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:22,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:22,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:22,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:23,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:23,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:23,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:23,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:23,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:23,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:23,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:23,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:23,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:23,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:23,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:23,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:23,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:23,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:23,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:23,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:23,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:23,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:23,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:23,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:23,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:23,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:23,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:23,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:23,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:23,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:23,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:23,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:23,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:23,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:23,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:23,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:23,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:23,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:23,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:23,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:23,076 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 -> c721a987debd4748cfed075333b7fa46c2d0f9ef [2019-11-26 16:29:23,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:23,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:23,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:23,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:23,730 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:23,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max.i [2019-11-26 16:29:23,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa0e33c8/e15ae09361704b84a5835c9aa302a134/FLAG40d9b39f7 [2019-11-26 16:29:24,967 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:24,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max.i [2019-11-26 16:29:24,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa0e33c8/e15ae09361704b84a5835c9aa302a134/FLAG40d9b39f7 [2019-11-26 16:29:25,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa0e33c8/e15ae09361704b84a5835c9aa302a134 [2019-11-26 16:29:25,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:25,035 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:25,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:25,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:25,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:25,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25, skipping insertion in model container [2019-11-26 16:29:25,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:25,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:25,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,635 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:25,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,837 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:25,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25 WrapperNode [2019-11-26 16:29:25,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:25,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:25,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:25,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:25,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:25,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:25,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:26,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:26,070 INFO L168 Benchmark]: Toolchain (without parser) took 1031.68 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. [2019-11-26 16:29:26,076 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:26,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.45 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. [2019-11-26 16:29:26,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.19 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. [2019-11-26 16:29:26,095 INFO L168 Benchmark]: Boogie Preprocessor took 82.25 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. [2019-11-26 16:29:26,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 801.45 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 134.19 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 82.25 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 0.1.24-025d5a2 [2019-11-26 16:29:30,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:30,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:30,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:30,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:30,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:30,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:30,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:30,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:30,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:30,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:30,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:30,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:30,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:30,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:30,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:30,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:30,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:30,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:30,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:30,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:30,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:30,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:30,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:30,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:30,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:30,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:30,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:30,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:30,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:30,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:30,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:30,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:30,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:30,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:30,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:30,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:30,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:30,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:30,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:30,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:30,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:30,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:30,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:30,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:30,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:30,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:30,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:30,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:30,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:30,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:30,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:30,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:30,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:30,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:30,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:30,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:30,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:30,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:30,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:30,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:30,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:30,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:30,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:30,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:30,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:30,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:30,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:30,252 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:30,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:30,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:30,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:30,257 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 -> c721a987debd4748cfed075333b7fa46c2d0f9ef [2019-11-26 16:29:30,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:30,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:30,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:30,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:30,849 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:30,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max.i [2019-11-26 16:29:31,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e8f8b45/bc730fd655fc446ea88b6b1b380ff8f2/FLAG8e031a8bb [2019-11-26 16:29:32,071 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:32,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max.i [2019-11-26 16:29:32,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e8f8b45/bc730fd655fc446ea88b6b1b380ff8f2/FLAG8e031a8bb [2019-11-26 16:29:32,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e8f8b45/bc730fd655fc446ea88b6b1b380ff8f2 [2019-11-26 16:29:32,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:32,138 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:32,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:32,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:32,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:32,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32, skipping insertion in model container [2019-11-26 16:29:32,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:32,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:32,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:32,802 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:32,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:33,025 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:33,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33 WrapperNode [2019-11-26 16:29:33,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:33,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:33,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:33,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:33,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:33,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:33,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:33,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:33,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:33" (1/1) ... [2019-11-26 16:29:33,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:33,302 INFO L168 Benchmark]: Toolchain (without parser) took 1160.91 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. [2019-11-26 16:29:33,307 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:33,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.20 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). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:33,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.65 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. [2019-11-26 16:29:33,313 INFO L168 Benchmark]: Boogie Preprocessor took 120.64 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. [2019-11-26 16:29:33,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 891.20 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). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.65 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. * Boogie Preprocessor took 120.64 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...