./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg40-2.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/avg40-2.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 236dcd0ec5dd9ced1e4699159168b0146d1f3114 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/avg40-2.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 236dcd0ec5dd9ced1e4699159168b0146d1f3114 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:22,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:22,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:22,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:22,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:22,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:22,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:22,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:22,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:22,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:22,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:22,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:22,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:22,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:22,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:22,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:22,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:22,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:22,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:22,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:22,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:22,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:22,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:22,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:22,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:22,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:22,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:22,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:22,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:22,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:22,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:22,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:22,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:22,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:22,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:22,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:22,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:22,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:22,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:22,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:22,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:22,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:22,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:22,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:22,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:22,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:22,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:22,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:22,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:22,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:22,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:22,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:22,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:22,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:22,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:22,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:22,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:22,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:22,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:22,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:22,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:22,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:22,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:22,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:22,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:22,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:22,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:22,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:22,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:22,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:22,994 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 -> 236dcd0ec5dd9ced1e4699159168b0146d1f3114 [2019-11-26 16:29:23,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:23,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:23,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:23,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:23,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:23,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg40-2.i [2019-11-26 16:29:23,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d4ac229e/2e0a9141f2b3483a83231ad8cfbbf68f/FLAG1685c0c22 [2019-11-26 16:29:24,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:24,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg40-2.i [2019-11-26 16:29:24,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d4ac229e/2e0a9141f2b3483a83231ad8cfbbf68f/FLAG1685c0c22 [2019-11-26 16:29:24,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d4ac229e/2e0a9141f2b3483a83231ad8cfbbf68f [2019-11-26 16:29:24,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:24,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:24,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:24,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:24,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:24,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:24" (1/1) ... [2019-11-26 16:29:24,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:24, skipping insertion in model container [2019-11-26 16:29:24,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:24" (1/1) ... [2019-11-26 16:29:25,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:25,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:25,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,569 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:25,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,752 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:25,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25 WrapperNode [2019-11-26 16:29:25,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:25,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:25,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:25,781 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 16:29:25,817 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 16:29:25,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:25,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:25,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:25,899 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 16:29:25,900 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 16:29:25,911 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 16:29:25,911 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 16:29:25,941 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 16:29:25,957 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 16:29:25,959 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 16:29:25,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:25,975 INFO L168 Benchmark]: Toolchain (without parser) took 997.62 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. [2019-11-26 16:29:25,977 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:25,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:25,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.97 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 16:29:25,997 INFO L168 Benchmark]: Boogie Preprocessor took 78.70 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 16:29:26,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 780.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.97 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. * Boogie Preprocessor took 78.70 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 0.1.24-025d5a2 [2019-11-26 16:29:29,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:29,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:30,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:30,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:30,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:30,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:30,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:30,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:30,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:30,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:30,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:30,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:30,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:30,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:30,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:30,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:30,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:30,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:30,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:30,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:30,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:30,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:30,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:30,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:30,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:30,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:30,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:30,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:30,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:30,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:30,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:30,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:30,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:30,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:30,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:30,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:30,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:30,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:30,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:30,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:30,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:30,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:30,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:30,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:30,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:30,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:30,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:30,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:30,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:30,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:30,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:30,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:30,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:30,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:30,215 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:30,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:30,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:30,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:30,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:30,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:30,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:30,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:30,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:30,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:30,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:30,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:30,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:30,224 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:30,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:30,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:30,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:30,226 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 -> 236dcd0ec5dd9ced1e4699159168b0146d1f3114 [2019-11-26 16:29:30,802 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 16:29:30,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:30,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:30,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:30,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg40-2.i [2019-11-26 16:29:31,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3067f445f/5f0ae6951fcd487cbce134a219a55409/FLAG1fb559997 [2019-11-26 16:29:32,079 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:32,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg40-2.i [2019-11-26 16:29:32,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3067f445f/5f0ae6951fcd487cbce134a219a55409/FLAG1fb559997 [2019-11-26 16:29:32,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3067f445f/5f0ae6951fcd487cbce134a219a55409 [2019-11-26 16:29:32,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:32,146 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:32,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:32,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:32,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:32,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,171 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 26.11 04:29:32, skipping insertion in model container [2019-11-26 16:29:32,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:32,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:32,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:32,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:32,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:32,982 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:32,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32 WrapperNode [2019-11-26 16:29:32,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:32,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:32,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:32,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:33,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:33,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:33,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:33,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:33,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:33,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:33,228 INFO L168 Benchmark]: Toolchain (without parser) took 1079.11 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 16:29:33,230 INFO L168 Benchmark]: CDTParser took 0.49 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 16:29:33,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.80 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 16:29:33,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.24 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 16:29:33,236 INFO L168 Benchmark]: Boogie Preprocessor took 113.97 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 16:29:33,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 835.80 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 121.24 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 113.97 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...