./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/discover_list.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/loops-crafted-1/discover_list.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 eff53aa91e017bfb2930cb52dc66be661e077849 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops-crafted-1/discover_list.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 eff53aa91e017bfb2930cb52dc66be661e077849 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:10:57,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:10:57,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:10:57,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:10:57,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:10:57,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:10:57,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:10:57,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:10:57,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:10:57,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:10:57,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:10:57,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:10:57,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:10:57,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:10:57,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:10:57,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:10:57,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:10:57,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:10:57,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:10:57,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:10:57,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:10:57,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:10:57,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:10:57,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:10:57,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:10:57,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:10:57,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:10:57,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:10:57,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:10:57,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:10:57,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:10:57,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:10:57,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:10:57,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:10:57,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:10:57,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:10:57,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:10:57,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:10:57,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:10:57,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:10:57,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:10:57,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:10:57,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:10:57,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:10:57,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:10:57,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:10:57,505 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:10:57,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:10:57,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:10:57,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:10:57,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:10:57,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:10:57,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:10:57,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:10:57,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:10:57,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:10:57,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:10:57,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:10:57,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:10:57,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:10:57,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:10:57,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:10:57,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:10:57,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:10:57,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:10:57,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:10:57,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:10:57,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:10:57,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:10:57,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:10:57,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:10:57,522 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 -> eff53aa91e017bfb2930cb52dc66be661e077849 [2019-11-24 21:10:58,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:10:58,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:10:58,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:10:58,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:10:58,211 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:10:58,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-24 21:10:58,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146c0c30/f03e0fe343ed412492403b76e072b5a7/FLAG513d0d0ef [2019-11-24 21:10:59,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:10:59,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-24 21:10:59,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146c0c30/f03e0fe343ed412492403b76e072b5a7/FLAG513d0d0ef [2019-11-24 21:10:59,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3146c0c30/f03e0fe343ed412492403b76e072b5a7 [2019-11-24 21:10:59,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:10:59,712 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:10:59,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:10:59,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:10:59,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:10:59,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:59" (1/1) ... [2019-11-24 21:10:59,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:10:59, skipping insertion in model container [2019-11-24 21:10:59,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:10:59" (1/1) ... [2019-11-24 21:10:59,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:10:59,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:00,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:00,852 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:01,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:01,191 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:01,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01 WrapperNode [2019-11-24 21:11:01,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:01,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:01,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:01,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:01,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:01,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:01,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:01,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:01,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:01" (1/1) ... [2019-11-24 21:11:01,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:01,614 INFO L168 Benchmark]: Toolchain (without parser) took 1892.14 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 968.3 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:01,616 INFO L168 Benchmark]: CDTParser took 0.85 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. [2019-11-24 21:11:01,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1473.13 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 974.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:01,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 232.08 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:01,625 INFO L168 Benchmark]: Boogie Preprocessor took 175.00 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:01,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 1473.13 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 974.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 232.08 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.00 ms. Allocated memory is still 1.0 GB. Free memory is still 968.3 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 0.1.24-32f2683 [2019-11-24 21:11:05,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:05,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:05,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:05,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:05,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:05,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:05,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:05,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:05,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:05,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:05,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:05,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:05,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:05,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:05,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:05,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:05,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:05,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:05,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:05,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:05,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:05,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:05,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:05,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:05,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:05,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:05,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:05,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:05,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:05,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:05,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:05,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:05,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:05,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:05,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:05,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:05,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:05,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:05,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:05,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:05,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:05,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:05,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:05,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:05,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:05,761 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:05,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:05,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:05,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:05,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:05,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:05,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:05,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:05,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:05,769 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:05,769 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:05,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:05,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:05,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:05,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:05,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:05,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:05,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:05,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:05,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:05,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:05,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:05,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:05,776 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:05,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:05,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:05,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:05,781 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 -> eff53aa91e017bfb2930cb52dc66be661e077849 [2019-11-24 21:11:06,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:06,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:06,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:06,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:06,501 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:06,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-24 21:11:06,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503c5e5f9/ad3edfd6271a454a9b18a2440d481cce/FLAG4ec9f81ac [2019-11-24 21:11:07,918 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:07,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/discover_list.c [2019-11-24 21:11:07,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503c5e5f9/ad3edfd6271a454a9b18a2440d481cce/FLAG4ec9f81ac [2019-11-24 21:11:07,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503c5e5f9/ad3edfd6271a454a9b18a2440d481cce [2019-11-24 21:11:07,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:07,990 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:07,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:07,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:07,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:08,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:07" (1/1) ... [2019-11-24 21:11:08,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e3f9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:08, skipping insertion in model container [2019-11-24 21:11:08,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:07" (1/1) ... [2019-11-24 21:11:08,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:08,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:09,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:09,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:09,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:09,525 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:09,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09 WrapperNode [2019-11-24 21:11:09,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:09,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:09,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:09,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:09,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:09,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:09,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:09,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:09,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:09" (1/1) ... [2019-11-24 21:11:09,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:09,954 INFO L168 Benchmark]: Toolchain (without parser) took 1960.34 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 967.0 MB in the end (delta: 453.0 kB). Peak memory consumption was 518.6 kB. Max. memory is 12.5 GB. [2019-11-24 21:11:09,955 INFO L168 Benchmark]: CDTParser took 2.74 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. [2019-11-24 21:11:09,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1538.17 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 972.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:09,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 221.33 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:09,959 INFO L168 Benchmark]: Boogie Preprocessor took 194.13 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:09,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.74 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 1538.17 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 972.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 221.33 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.13 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...