./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max05-1.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/max05-1.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 d02fdead04c3e6f93d11e2edd6641f56f1584022 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/max05-1.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 d02fdead04c3e6f93d11e2edd6641f56f1584022 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:38:08,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:08,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:08,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:08,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:08,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:08,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:08,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:08,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:08,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:08,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:08,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:08,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:08,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:08,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:08,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:08,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:08,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:08,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:08,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:08,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:08,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:08,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:08,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:08,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:08,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:08,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:08,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:08,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:08,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:08,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:08,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:08,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:08,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:08,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:08,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:08,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:08,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:08,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:08,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:08,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:08,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:08,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:08,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:08,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:08,689 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:08,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:08,691 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:08,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:08,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:08,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:08,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:08,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:08,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:08,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:08,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:08,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:08,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:08,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:08,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:08,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:08,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:08,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:08,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:08,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:08,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:08,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:08,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:08,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:08,710 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 -> d02fdead04c3e6f93d11e2edd6641f56f1584022 [2019-11-27 15:38:09,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:09,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:09,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:09,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:09,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:09,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max05-1.i [2019-11-27 15:38:09,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e8f1e86/5f11209af422491e8111b2abbb4745d6/FLAGeb8dd04c8 [2019-11-27 15:38:10,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:10,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max05-1.i [2019-11-27 15:38:10,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e8f1e86/5f11209af422491e8111b2abbb4745d6/FLAGeb8dd04c8 [2019-11-27 15:38:10,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e8f1e86/5f11209af422491e8111b2abbb4745d6 [2019-11-27 15:38:10,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:10,692 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:10,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:10,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:10,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:10,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,717 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 27.11 03:38:10, skipping insertion in model container [2019-11-27 15:38:10,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:10,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:11,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:11,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,552 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:11,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11 WrapperNode [2019-11-27 15:38:11,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:11,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:11,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:11,581 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 15:38:11,619 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 15:38:11,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:11,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:11,691 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 15:38:11,691 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 15:38:11,706 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 15:38:11,706 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 15:38:11,737 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 15:38:11,747 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 15:38:11,756 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 15:38:11,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,779 INFO L168 Benchmark]: Toolchain (without parser) took 1075.12 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:11,782 INFO L168 Benchmark]: CDTParser took 2.43 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 15:38:11,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.24 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:11,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:11,792 INFO L168 Benchmark]: Boogie Preprocessor took 82.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:11,805 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.43 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 857.24 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 15:38:15,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:15,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:15,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:15,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:15,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:15,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:15,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:15,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:15,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:15,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:15,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:15,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:15,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:15,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:15,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:15,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:15,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:15,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:15,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:15,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:15,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:15,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:15,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:15,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:15,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:15,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:15,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:15,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:15,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:15,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:15,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:15,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:15,906 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 15:38:15,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:15,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:15,916 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 15:38:15,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:15,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:15,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:15,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:15,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:15,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:15,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:15,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:15,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:15,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:15,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:15,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:15,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:15,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:15,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:15,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:15,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:15,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:15,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:15,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:15,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:15,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:15,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:15,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:15,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:15,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:15,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:15,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:15,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:15,997 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:15,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:15,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:15,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:15,999 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 -> d02fdead04c3e6f93d11e2edd6641f56f1584022 [2019-11-27 15:38:16,614 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 15:38:16,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:16,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:16,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:16,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max05-1.i [2019-11-27 15:38:16,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6a356de/c4a9927b7b5b4c089cbadb2e294848b7/FLAG07cdb3fc4 [2019-11-27 15:38:17,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:17,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max05-1.i [2019-11-27 15:38:17,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6a356de/c4a9927b7b5b4c089cbadb2e294848b7/FLAG07cdb3fc4 [2019-11-27 15:38:18,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6a356de/c4a9927b7b5b4c089cbadb2e294848b7 [2019-11-27 15:38:18,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:18,047 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:18,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:18,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:18,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:18,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:18,072 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 27.11 03:38:18, skipping insertion in model container [2019-11-27 15:38:18,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:18,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:18,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:18,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:18,644 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:18,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:18,848 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:18,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18 WrapperNode [2019-11-27 15:38:18,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:18,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:18,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:18,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:18,878 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 15:38:18,911 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 15:38:18,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:18,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:18,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:18,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:18,972 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 15:38:18,973 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 15:38:18,992 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 15:38:18,994 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 15:38:19,018 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 15:38:19,030 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 15:38:19,037 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 15:38:19,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:19,054 INFO L168 Benchmark]: Toolchain (without parser) took 1003.49 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. [2019-11-27 15:38:19,057 INFO L168 Benchmark]: CDTParser took 0.97 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. [2019-11-27 15:38:19,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 15:38:19,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.94 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 15:38:19,065 INFO L168 Benchmark]: Boogie Preprocessor took 86.59 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. [2019-11-27 15:38:19,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 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 797.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 99.94 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 86.59 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...