./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_vardep_1.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-crafted/simple_vardep_1.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 fee1ed0651e4a4f39ac7b1414da0c0d05eef7216 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-crafted/simple_vardep_1.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 fee1ed0651e4a4f39ac7b1414da0c0d05eef7216 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:19,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:19,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:19,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:19,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:19,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:19,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:19,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:19,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:19,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:19,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:19,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:19,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:19,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:19,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:19,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:19,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:19,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:19,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:19,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:19,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:19,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:19,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:19,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:19,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:19,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:19,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:19,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:19,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:19,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:19,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:19,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:19,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:19,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:19,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:19,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:19,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:19,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:19,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:19,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:19,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:19,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:19,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:19,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:19,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:19,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:19,489 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:19,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:19,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:19,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:19,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:19,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:19,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:19,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:19,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:19,495 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:19,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:19,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:19,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:19,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:19,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:19,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:19,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:19,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:19,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:19,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:19,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:19,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:19,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:19,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:19,505 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 -> fee1ed0651e4a4f39ac7b1414da0c0d05eef7216 [2019-11-27 16:13:20,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:20,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:20,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:20,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:20,176 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:20,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2019-11-27 16:13:20,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d05e525/487addf9a80b4c54b392c211b27284bd/FLAG3cdfa64e7 [2019-11-27 16:13:21,424 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:21,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2019-11-27 16:13:21,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d05e525/487addf9a80b4c54b392c211b27284bd/FLAG3cdfa64e7 [2019-11-27 16:13:21,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d05e525/487addf9a80b4c54b392c211b27284bd [2019-11-27 16:13:21,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:21,485 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:21,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:21,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:21,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:21,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:21" (1/1) ... [2019-11-27 16:13:21,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210c1c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:21, skipping insertion in model container [2019-11-27 16:13:21,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:21" (1/1) ... [2019-11-27 16:13:21,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:21,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:21,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:21,993 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:22,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:22,060 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:22,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22 WrapperNode [2019-11-27 16:13:22,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:22,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:22,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:22,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:22,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:22,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:22,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:22,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:22,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:22" (1/1) ... [2019-11-27 16:13:22,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:22,272 INFO L168 Benchmark]: Toolchain (without parser) took 770.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:22,274 INFO L168 Benchmark]: CDTParser took 0.48 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 16:13:22,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.60 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 16:13:22,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.47 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 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:22,285 INFO L168 Benchmark]: Boogie Preprocessor took 47.57 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:22,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 579.60 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 136.47 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 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.57 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:13:26,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:26,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:26,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:26,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:26,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:26,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:26,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:26,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:26,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:26,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:26,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:26,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:26,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:26,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:26,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:26,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:26,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:26,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:26,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:26,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:26,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:26,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:26,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:26,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:26,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:26,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:26,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:26,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:26,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:26,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:26,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:26,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:26,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:26,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:26,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:26,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:26,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:26,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:26,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:26,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:26,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:26,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:26,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:26,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:26,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:26,406 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:26,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:26,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:26,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:26,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:26,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:26,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:26,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:26,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:26,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:26,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:26,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:26,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:26,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:26,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:26,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:26,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:26,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:26,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:26,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:26,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:26,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:26,418 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:26,418 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:26,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:26,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:26,424 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 -> fee1ed0651e4a4f39ac7b1414da0c0d05eef7216 [2019-11-27 16:13:27,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:27,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:27,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:27,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:27,089 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:27,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2019-11-27 16:13:27,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e547d6e70/04b3a65d981845adb9bb1d89fcfef292/FLAG874b169ab [2019-11-27 16:13:28,307 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:28,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2019-11-27 16:13:28,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e547d6e70/04b3a65d981845adb9bb1d89fcfef292/FLAG874b169ab [2019-11-27 16:13:28,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e547d6e70/04b3a65d981845adb9bb1d89fcfef292 [2019-11-27 16:13:28,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:28,380 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:28,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:28,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:28,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:28,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:28,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28, skipping insertion in model container [2019-11-27 16:13:28,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:28,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:28,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:28,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:28,935 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:28,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:28,989 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:28,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28 WrapperNode [2019-11-27 16:13:28,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:29,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:29,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:29,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:29,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:29,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:29,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:29,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:29,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:28" (1/1) ... [2019-11-27 16:13:29,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:29,245 INFO L168 Benchmark]: Toolchain (without parser) took 859.53 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 991.2 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:29,249 INFO L168 Benchmark]: CDTParser took 3.93 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 16:13:29,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:29,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:29,259 INFO L168 Benchmark]: Boogie Preprocessor took 59.89 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 16:13:29,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.93 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 611.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 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 168.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.89 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...