./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/max10-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f5fbba39a6c3cc8a650e9b9b88c73e3f7d08064 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/max10-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f5fbba39a6c3cc8a650e9b9b88c73e3f7d08064 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:38:08,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:08,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:08,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:08,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:08,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:08,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:08,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:08,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:08,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:08,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:08,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:08,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:08,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:08,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:08,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:08,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:08,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:08,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:08,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:08,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:08,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:08,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:08,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:08,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:08,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:08,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:08,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:08,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:08,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:08,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:08,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:08,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:08,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:08,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:08,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:08,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:08,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:08,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:08,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:08,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:08,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:08,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:08,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:08,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:08,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:08,771 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:08,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:08,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:08,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:08,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:08,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:08,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:08,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:08,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:08,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:08,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:08,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:08,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:08,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:08,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:08,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:08,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:08,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:08,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:08,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:08,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:08,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:08,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:08,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:08,788 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 -> 9f5fbba39a6c3cc8a650e9b9b88c73e3f7d08064 [2019-11-27 15:38:09,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:09,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:09,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:09,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:09,380 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:09,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max10-1.i [2019-11-27 15:38:09,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d92d3b98/1bf130130e694816b8553ae9737ed11b/FLAGa464ca8a4 [2019-11-27 15:38:10,635 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:10,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i [2019-11-27 15:38:10,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d92d3b98/1bf130130e694816b8553ae9737ed11b/FLAGa464ca8a4 [2019-11-27 15:38:10,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d92d3b98/1bf130130e694816b8553ae9737ed11b [2019-11-27 15:38:10,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:10,707 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:10,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:10,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:10,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:10,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:10, skipping insertion in model container [2019-11-27 15:38:10,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:10,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:11,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,342 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:11,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,541 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11 WrapperNode [2019-11-27 15:38:11,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:11,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:11,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:11,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:11,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:11,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,790 INFO L168 Benchmark]: Toolchain (without parser) took 1075.38 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:11,804 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 15:38:11,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.33 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:11,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.89 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:11,812 INFO L168 Benchmark]: Boogie Preprocessor took 71.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:11,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 845.33 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.89 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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 0.1.24-509859d [2019-11-27 15:38:15,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:15,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:15,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:15,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:15,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:15,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:15,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:15,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:15,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:15,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:15,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:15,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:15,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:15,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:15,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:15,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:15,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:15,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:15,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:15,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:15,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:15,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:15,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:15,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:15,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:15,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:15,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:15,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:15,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:15,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:15,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:15,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:15,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:15,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:15,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:15,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:15,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:15,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:15,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:15,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:15,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:15,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:15,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:15,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:15,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:15,977 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:15,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:15,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:15,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:15,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:15,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:15,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:15,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:15,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:15,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:15,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:15,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:15,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:15,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:15,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:15,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:15,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:15,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:15,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:15,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:15,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:15,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:15,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:15,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:15,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:15,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:15,996 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 -> 9f5fbba39a6c3cc8a650e9b9b88c73e3f7d08064 [2019-11-27 15:38:16,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:16,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:16,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:16,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:16,662 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:16,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max10-1.i [2019-11-27 15:38:16,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8349ca3fa/804dfb54ae094e2290145356c11587ea/FLAG2b54942a8 [2019-11-27 15:38:17,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:17,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i [2019-11-27 15:38:17,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8349ca3fa/804dfb54ae094e2290145356c11587ea/FLAG2b54942a8 [2019-11-27 15:38:17,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8349ca3fa/804dfb54ae094e2290145356c11587ea [2019-11-27 15:38:18,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:18,010 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:18,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:18,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:18,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:18,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:17" (1/1) ... [2019-11-27 15:38:18,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18, skipping insertion in model container [2019-11-27 15:38:18,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:17" (1/1) ... [2019-11-27 15:38:18,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:18,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:18,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:18,667 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:18,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:18,873 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:18,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18 WrapperNode [2019-11-27 15:38:18,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:18,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:18,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:18,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:18,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:18,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:19,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:19,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:19,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:19,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:19,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:19,171 INFO L168 Benchmark]: Toolchain (without parser) took 1153.28 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:19,173 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-27 15:38:19,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.47 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. [2019-11-27 15:38:19,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.38 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. [2019-11-27 15:38:19,183 INFO L168 Benchmark]: Boogie Preprocessor took 126.94 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:19,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 861.47 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 139.38 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 126.94 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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...