./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/diamond_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/loop-acceleration/diamond_2-2.c -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 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loop-acceleration/diamond_2-2.c -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 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:11,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:11,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:11,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:11,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:11,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:11,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:11,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:11,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:11,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:11,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:11,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:11,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:11,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:11,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:11,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:11,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:11,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:11,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:11,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:11,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:11,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:11,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:11,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:11,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:11,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:11,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:11,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:11,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:11,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:11,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:11,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:11,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:11,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:11,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:11,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:11,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:11,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:11,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:11,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:11,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:11,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:11,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:11,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:11,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:11,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:11,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:11,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:11,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:11,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:11,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:11,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:11,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:11,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:11,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:11,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:11,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:11,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:11,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:11,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:11,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:11,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:11,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:11,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:11,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:11,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:11,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:11,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:11,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:11,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:11,544 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 -> 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 [2019-11-27 09:51:11,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:11,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:11,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:11,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:12,000 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:12,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-27 09:51:12,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a1247bf/4ce4ad89063f4ef3b5bfcc9f736e4a38/FLAG8be5cacd7 [2019-11-27 09:51:12,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:12,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-27 09:51:12,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a1247bf/4ce4ad89063f4ef3b5bfcc9f736e4a38/FLAG8be5cacd7 [2019-11-27 09:51:13,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a1247bf/4ce4ad89063f4ef3b5bfcc9f736e4a38 [2019-11-27 09:51:13,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:13,133 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:13,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:13,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:13,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:13,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13, skipping insertion in model container [2019-11-27 09:51:13,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:13,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:13,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:13,495 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:13,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:13,545 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:13,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13 WrapperNode [2019-11-27 09:51:13,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:13,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:13,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:13,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:13,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:13,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:13,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:13,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:13,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:13" (1/1) ... [2019-11-27 09:51:13,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:13,730 INFO L168 Benchmark]: Toolchain (without parser) took 591.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:13,732 INFO L168 Benchmark]: CDTParser took 0.36 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 09:51:13,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.51 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:13,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 991.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:13,748 INFO L168 Benchmark]: Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:13,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 407.51 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 121.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 991.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.96 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:16,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:16,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:16,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:16,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:16,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:16,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:16,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:16,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:16,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:16,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:16,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:16,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:16,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:16,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:16,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:16,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:16,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:16,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:16,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:16,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:16,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:16,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:16,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:16,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:16,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:16,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:16,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:16,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:16,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:16,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:16,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:16,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:16,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:16,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:16,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:16,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:16,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:16,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:16,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:16,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:16,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:16,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:16,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:16,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:16,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:16,618 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:16,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:16,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:16,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:16,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:16,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:16,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:16,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:16,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:16,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:16,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:16,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:16,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:16,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:16,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:16,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:16,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:16,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:16,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:16,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:16,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:16,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:16,629 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:16,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:16,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:16,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:16,630 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 -> 4c239e25bc1e45e912a3e7b96bb82f6853e587e9 [2019-11-27 09:51:17,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:17,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:17,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:17,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:17,127 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:17,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-27 09:51:17,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e993b216d/a2496c558989481a99f67b7fe7a64ba4/FLAGcd1a32cd6 [2019-11-27 09:51:17,908 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:17,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2019-11-27 09:51:17,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e993b216d/a2496c558989481a99f67b7fe7a64ba4/FLAGcd1a32cd6 [2019-11-27 09:51:18,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e993b216d/a2496c558989481a99f67b7fe7a64ba4 [2019-11-27 09:51:18,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:18,275 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:18,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:18,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:18,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:18,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62860150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18, skipping insertion in model container [2019-11-27 09:51:18,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:18,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:18,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:18,648 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:18,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:18,763 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:18,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18 WrapperNode [2019-11-27 09:51:18,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:18,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:18,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:18,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:18,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:18,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:18,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:18,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:18,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:18" (1/1) ... [2019-11-27 09:51:18,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:18,872 INFO L168 Benchmark]: Toolchain (without parser) took 595.21 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:18,873 INFO L168 Benchmark]: CDTParser took 0.27 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 09:51:18,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:18,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.49 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:18,876 INFO L168 Benchmark]: Boogie Preprocessor took 50.40 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:18,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 486.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 48.49 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.40 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 985.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...