./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sep20-1.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/sep20-1.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 ffb9e3dade9738b5766f220d9681628045dd8eb9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sep20-1.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 ffb9e3dade9738b5766f220d9681628045dd8eb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:38:21,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:21,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:21,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:21,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:21,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:21,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:21,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:21,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:21,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:21,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:21,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:21,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:21,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:21,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:21,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:21,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:21,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:21,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:21,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:21,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:21,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:21,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:21,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:21,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:21,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:21,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:21,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:21,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:21,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:21,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:21,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:21,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:21,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:21,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:21,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:21,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:21,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:21,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:21,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:21,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:21,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:21,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:21,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:21,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:21,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:21,698 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:21,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:21,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:21,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:21,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:21,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:21,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:21,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:21,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:21,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:21,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:21,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:21,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:21,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:21,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:21,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:21,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:21,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:21,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:21,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:21,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:21,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:21,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:21,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:21,716 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 -> ffb9e3dade9738b5766f220d9681628045dd8eb9 [2019-11-27 15:38:22,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:22,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:22,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:22,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:22,349 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:22,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep20-1.i [2019-11-27 15:38:22,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64921917/e92522db228a4254804cc4cb61f1a294/FLAG235145a7a [2019-11-27 15:38:23,566 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:23,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep20-1.i [2019-11-27 15:38:23,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64921917/e92522db228a4254804cc4cb61f1a294/FLAG235145a7a [2019-11-27 15:38:23,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64921917/e92522db228a4254804cc4cb61f1a294 [2019-11-27 15:38:23,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:23,634 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:23,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:23,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:23,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:23,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:23" (1/1) ... [2019-11-27 15:38:23,661 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 03:38:23, skipping insertion in model container [2019-11-27 15:38:23,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:23" (1/1) ... [2019-11-27 15:38:23,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:23,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:24,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:24,220 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:24,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:24,408 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:24,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:24 WrapperNode [2019-11-27 15:38:24,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:24,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:24,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:24,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:24,423 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 15:38:24,457 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 15:38:24,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:24,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:24,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:24,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:24,525 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 15:38:24,525 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 15:38:24,531 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 15:38:24,532 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 15:38:24,555 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 15:38:24,569 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 15:38:24,574 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 15:38:24,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:24,601 INFO L168 Benchmark]: Toolchain (without parser) took 949.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:24,603 INFO L168 Benchmark]: CDTParser took 0.37 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 15:38:24,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:24,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.19 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 15:38:24,615 INFO L168 Benchmark]: Boogie Preprocessor took 67.34 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. [2019-11-27 15:38:24,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 770.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.19 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 67.34 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 0.1.24-509859d [2019-11-27 15:38:28,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:28,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:28,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:28,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:28,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:28,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:28,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:28,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:28,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:28,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:28,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:28,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:28,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:28,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:28,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:28,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:28,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:28,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:28,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:28,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:28,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:28,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:28,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:28,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:28,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:28,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:28,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:28,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:28,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:28,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:28,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:28,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:28,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:28,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:28,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:28,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:28,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:28,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:28,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:28,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:28,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:28,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:28,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:28,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:28,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:28,734 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:28,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:28,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:28,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:28,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:28,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:28,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:28,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:28,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:28,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:28,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:28,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:28,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:28,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:28,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:28,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:28,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:28,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:28,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:28,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:28,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:28,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:28,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:28,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:28,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:28,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:28,752 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 -> ffb9e3dade9738b5766f220d9681628045dd8eb9 [2019-11-27 15:38:29,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:29,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:29,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:29,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:29,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:29,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep20-1.i [2019-11-27 15:38:29,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41416ab90/0adb0bb4bfa841a1b375e2c6dfad5de2/FLAGc8d8fb90d [2019-11-27 15:38:30,652 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:30,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep20-1.i [2019-11-27 15:38:30,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41416ab90/0adb0bb4bfa841a1b375e2c6dfad5de2/FLAGc8d8fb90d [2019-11-27 15:38:30,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41416ab90/0adb0bb4bfa841a1b375e2c6dfad5de2 [2019-11-27 15:38:30,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:30,879 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:30,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:30,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:30,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:30,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e09eca 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 15:38:30,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:30" (1/1) ... [2019-11-27 15:38:30,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:30,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:31,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:31,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:31,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:31,668 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:31,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:31 WrapperNode [2019-11-27 15:38:31,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:31,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:31,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:31,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:31,685 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 15:38:31,712 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 15:38:31,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:31,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:31,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:31,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:31,768 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 15:38:31,768 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 15:38:31,787 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 15:38:31,787 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 15:38:31,811 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 15:38:31,823 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 15:38:31,831 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 15:38:31,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:31,845 INFO L168 Benchmark]: Toolchain (without parser) took 961.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:31,847 INFO L168 Benchmark]: CDTParser took 3.02 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 15:38:31,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:31,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.66 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 15:38:31,854 INFO L168 Benchmark]: Boogie Preprocessor took 80.19 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:31,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.02 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 786.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 85.66 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 80.19 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...