./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/eq1.c --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/loop-invariants/eq1.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 c274df30268f9374edd6792525455fa06ae50abe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-invariants/eq1.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 c274df30268f9374edd6792525455fa06ae50abe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:14:24,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:24,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:24,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:24,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:24,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:24,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:24,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:24,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:24,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:24,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:24,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:24,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:24,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:24,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:24,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:24,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:24,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:24,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:24,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:24,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:24,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:24,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:24,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:24,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:24,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:24,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:24,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:24,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:24,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:24,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:24,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:24,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:24,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:24,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:24,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:24,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:24,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:24,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:24,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:24,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:24,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:24,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:24,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:24,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:24,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:24,722 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:24,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:24,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:24,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:24,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:24,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:24,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:24,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:24,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:24,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:24,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:24,730 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:24,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:24,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:24,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:24,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:24,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:24,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:24,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:24,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:24,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:24,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:24,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:24,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:24,737 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 -> c274df30268f9374edd6792525455fa06ae50abe [2019-11-27 16:14:25,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:25,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:25,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:25,362 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:25,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:25,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/eq1.c [2019-11-27 16:14:25,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e074c57/08e7350ce1364885bbf46550bd439720/FLAG3a2d39ce5 [2019-11-27 16:14:26,507 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:26,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/eq1.c [2019-11-27 16:14:26,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e074c57/08e7350ce1364885bbf46550bd439720/FLAG3a2d39ce5 [2019-11-27 16:14:26,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e074c57/08e7350ce1364885bbf46550bd439720 [2019-11-27 16:14:26,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:26,557 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:26,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:26,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:26,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:26,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:26" (1/1) ... [2019-11-27 16:14:26,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:26, skipping insertion in model container [2019-11-27 16:14:26,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:26" (1/1) ... [2019-11-27 16:14:26,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:26,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:27,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:27,056 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:27,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:27,128 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:27,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27 WrapperNode [2019-11-27 16:14:27,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:27,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:27,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:27,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:27,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:27,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:27,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:27,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:27,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:27" (1/1) ... [2019-11-27 16:14:27,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:27,348 INFO L168 Benchmark]: Toolchain (without parser) took 774.69 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: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:27,353 INFO L168 Benchmark]: CDTParser took 0.37 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 16:14:27,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.19 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:27,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:27,362 INFO L168 Benchmark]: Boogie Preprocessor took 50.46 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 16:14:27,376 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 573.19 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 50.46 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:14:31,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:31,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:31,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:31,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:31,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:31,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:31,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:31,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:31,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:31,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:31,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:31,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:31,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:31,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:31,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:31,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:31,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:31,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:31,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:31,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:31,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:31,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:31,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:31,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:31,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:31,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:31,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:31,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:31,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:31,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:31,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:31,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:31,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:31,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:31,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:31,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:31,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:31,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:31,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:31,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:31,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:31,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:31,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:31,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:31,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:31,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:31,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:31,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:31,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:31,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:31,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:31,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:31,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:31,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:31,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:31,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:31,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:31,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:31,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:31,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:31,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:31,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:31,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:31,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:31,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:31,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:31,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:31,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:31,613 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:31,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:31,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:31,615 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 -> c274df30268f9374edd6792525455fa06ae50abe [2019-11-27 16:14:32,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:32,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:32,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:32,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:32,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:32,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/eq1.c [2019-11-27 16:14:32,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37bfd28e8/9024a49528194c368007e637414f1294/FLAG3f7e1163e [2019-11-27 16:14:33,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:33,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/eq1.c [2019-11-27 16:14:33,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37bfd28e8/9024a49528194c368007e637414f1294/FLAG3f7e1163e [2019-11-27 16:14:33,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37bfd28e8/9024a49528194c368007e637414f1294 [2019-11-27 16:14:33,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:33,413 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:33,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:33,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:33,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:33,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33, skipping insertion in model container [2019-11-27 16:14:33,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:33,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:33,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:33,920 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:33,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:33,993 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:33,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33 WrapperNode [2019-11-27 16:14:33,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:34,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:34,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:34,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:34,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:34,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:34,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:34,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,279 INFO L168 Benchmark]: Toolchain (without parser) took 860.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,282 INFO L168 Benchmark]: CDTParser took 0.42 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 16:14:34,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:34,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:34,292 INFO L168 Benchmark]: Boogie Preprocessor took 78.26 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 16:14:34,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 579.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.26 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...