./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sum.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/sum.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 e17f830a1ee9b998b40fe12c0d4d25b23cde3738 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/sum.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 e17f830a1ee9b998b40fe12c0d4d25b23cde3738 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:38:21,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:21,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:21,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:21,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:21,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:21,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:21,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:21,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:21,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:21,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:21,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:21,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:21,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:21,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:21,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:21,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:21,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:21,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:21,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:21,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:21,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:21,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:21,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:21,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:21,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:21,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:21,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:21,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:21,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:21,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:21,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:21,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:21,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:21,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:21,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:21,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:21,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:21,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:21,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:21,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:21,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:21,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:21,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:21,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:21,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:21,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:21,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:21,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:21,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:21,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:21,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:21,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:21,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:21,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:21,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:21,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:21,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:21,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:21,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:21,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:21,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:21,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:21,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:21,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:21,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:21,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:21,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:21,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:21,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:21,851 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 -> e17f830a1ee9b998b40fe12c0d4d25b23cde3738 [2019-11-27 15:38:22,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:22,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:22,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:22,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:22,459 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:22,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum.i [2019-11-27 15:38:22,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7371f4fe/7dc52eabd3f4466291e88fa450564b82/FLAGc1b166ed8 [2019-11-27 15:38:23,662 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:23,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum.i [2019-11-27 15:38:23,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7371f4fe/7dc52eabd3f4466291e88fa450564b82/FLAGc1b166ed8 [2019-11-27 15:38:23,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7371f4fe/7dc52eabd3f4466291e88fa450564b82 [2019-11-27 15:38:23,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:23,734 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:23,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:23,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:23,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:23,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:23" (1/1) ... [2019-11-27 15:38:23,760 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 27.11 03:38:23, skipping insertion in model container [2019-11-27 15:38:23,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:23" (1/1) ... [2019-11-27 15:38:23,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:23,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:24,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:24,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:24,489 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:24,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24 WrapperNode [2019-11-27 15:38:24,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:24,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:24,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:24,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:24,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:24,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:24,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:24,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:24,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24" (1/1) ... [2019-11-27 15:38:24,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:24,698 INFO L168 Benchmark]: Toolchain (without parser) took 960.22 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 15:38:24,714 INFO L168 Benchmark]: CDTParser took 0.41 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 15:38:24,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:24,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.34 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:24,723 INFO L168 Benchmark]: Boogie Preprocessor took 71.22 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:24,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 754.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.34 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.22 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. 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 15:38:28,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:28,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:28,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:28,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:28,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:28,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:28,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:28,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:28,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:28,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:28,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:28,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:28,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:28,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:28,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:28,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:28,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:28,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:28,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:28,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:28,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:28,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:28,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:28,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:28,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:28,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:28,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:28,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:28,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:28,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:28,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:28,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:28,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:28,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:28,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:28,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:28,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:28,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:28,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:28,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:28,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:28,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:28,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:28,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:28,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:28,825 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:28,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:28,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:28,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:28,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:28,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:28,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:28,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:28,832 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:28,833 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:28,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:28,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:28,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:28,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:28,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:28,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:28,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:28,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:28,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:28,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:28,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:28,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:28,841 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:28,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:28,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:28,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:28,843 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 -> e17f830a1ee9b998b40fe12c0d4d25b23cde3738 [2019-11-27 15:38:29,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:29,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:29,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:29,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:29,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:29,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum.i [2019-11-27 15:38:29,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f273bc07d/160773f7c1fe413cbd29f6ce8697610f/FLAGb7ad61776 [2019-11-27 15:38:30,705 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:30,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum.i [2019-11-27 15:38:30,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f273bc07d/160773f7c1fe413cbd29f6ce8697610f/FLAGb7ad61776 [2019-11-27 15:38:30,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f273bc07d/160773f7c1fe413cbd29f6ce8697610f [2019-11-27 15:38:30,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:30,779 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:30,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:30,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:30,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:30,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:30, skipping insertion in model container [2019-11-27 15:38:30,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:30,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:31,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:31,371 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:31,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:31,588 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:31,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31 WrapperNode [2019-11-27 15:38:31,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:31,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:31,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:31,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:31,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:31,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:31,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:31,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:31,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31" (1/1) ... [2019-11-27 15:38:31,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:31,855 INFO L168 Benchmark]: Toolchain (without parser) took 1075.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:31,858 INFO L168 Benchmark]: CDTParser took 1.14 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 15:38:31,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.89 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 15:38:31,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.11 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 15:38:31,868 INFO L168 Benchmark]: Boogie Preprocessor took 121.72 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 15:38:31,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 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 807.89 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 129.11 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 121.72 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...