./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/avg.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 704389633f786b8f459e07240134137dbbeaeb7e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/avg.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 704389633f786b8f459e07240134137dbbeaeb7e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:22,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:22,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:22,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:22,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:22,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:22,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:22,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:22,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:22,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:22,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:22,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:22,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:22,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:22,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:22,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:22,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:22,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:22,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:22,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:22,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:22,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:22,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:22,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:22,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:22,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:22,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:22,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:22,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:22,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:22,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:22,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:22,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:22,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:22,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:22,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:22,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:22,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:22,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:22,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:22,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:22,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:22,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:22,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:22,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:22,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:22,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:22,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:22,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:22,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:22,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:22,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:22,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:22,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:22,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:22,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:22,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:22,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:22,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:22,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:22,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:22,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:22,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:22,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:22,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:22,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:22,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:22,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:22,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:22,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:22,702 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 -> 704389633f786b8f459e07240134137dbbeaeb7e [2019-11-26 16:29:23,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:23,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:23,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:23,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:23,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:23,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg.i [2019-11-26 16:29:23,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18c643d3/2e2167a81176467aacbbcab30657e294/FLAG787cf59fe [2019-11-26 16:29:24,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:24,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg.i [2019-11-26 16:29:24,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18c643d3/2e2167a81176467aacbbcab30657e294/FLAG787cf59fe [2019-11-26 16:29:24,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c18c643d3/2e2167a81176467aacbbcab30657e294 [2019-11-26 16:29:24,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:24,626 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:24,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:24,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:24,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:24,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:24" (1/1) ... [2019-11-26 16:29:24,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301a290c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:24, skipping insertion in model container [2019-11-26 16:29:24,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:24" (1/1) ... [2019-11-26 16:29:24,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:24,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:25,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,222 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:25,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:25,426 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:25,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25 WrapperNode [2019-11-26 16:29:25,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:25,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:25,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:25,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:25,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:25,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:25,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:25,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:25" (1/1) ... [2019-11-26 16:29:25,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:25,650 INFO L168 Benchmark]: Toolchain (without parser) took 1020.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:25,666 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:25,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:25,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:25,678 INFO L168 Benchmark]: Boogie Preprocessor took 84.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:25,686 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 798.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 125.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.79 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:29,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:29,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:29,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:29,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:29,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:29,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:29,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:29,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:29,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:29,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:29,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:29,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:29,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:29,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:29,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:29,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:29,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:29,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:29,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:29,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:29,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:29,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:29,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:29,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:29,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:29,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:29,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:29,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:29,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:29,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:29,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:29,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:29,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:29,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:29,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:29,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:29,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:29,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:29,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:29,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:29,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:29,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:29,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:29,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:29,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:29,925 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:29,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:29,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:29,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:29,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:29,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:29,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:29,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:29,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:29,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:29,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:29,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:29,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:29,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:29,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:29,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:29,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:29,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:29,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:29,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:29,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:29,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:29,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:29,941 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:29,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:29,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:29,943 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 -> 704389633f786b8f459e07240134137dbbeaeb7e [2019-11-26 16:29:30,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:30,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:30,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:30,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:30,595 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:30,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg.i [2019-11-26 16:29:30,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2f284e1/208ce4f96a614b54a1cc30617a3d96fe/FLAG03f9bce44 [2019-11-26 16:29:31,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:31,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg.i [2019-11-26 16:29:31,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2f284e1/208ce4f96a614b54a1cc30617a3d96fe/FLAG03f9bce44 [2019-11-26 16:29:31,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2f284e1/208ce4f96a614b54a1cc30617a3d96fe [2019-11-26 16:29:31,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:31,858 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:31,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:31,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:31,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:31,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:31" (1/1) ... [2019-11-26 16:29:31,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2a01a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:31, skipping insertion in model container [2019-11-26 16:29:31,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:31" (1/1) ... [2019-11-26 16:29:31,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:31,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:32,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:32,504 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:32,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:32,685 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:32,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32 WrapperNode [2019-11-26 16:29:32,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:32,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:32,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:32,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:32,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:32,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:32,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:32,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:32,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:32" (1/1) ... [2019-11-26 16:29:32,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:32,895 INFO L168 Benchmark]: Toolchain (without parser) took 1033.03 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 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:32,896 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:32,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:32,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.51 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:32,903 INFO L168 Benchmark]: Boogie Preprocessor took 79.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 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. [2019-11-26 16:29:32,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 830.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 112.51 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.38 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 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...