./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/volatile_alias.i --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/ldv-regression/volatile_alias.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4a4af23ae656ab916356d08324f42dc752fe903 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/ldv-regression/volatile_alias.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4a4af23ae656ab916356d08324f42dc752fe903 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:03,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:03,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:03,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:03,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:03,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:03,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:03,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:03,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:03,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:03,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:03,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:03,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:03,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:03,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:03,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:03,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:03,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:03,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:03,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:03,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:03,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:03,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:03,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:03,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:03,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:03,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:03,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:03,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:03,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:03,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:03,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:03,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:03,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:03,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:03,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:03,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:03,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:03,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:03,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:03,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:03,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:03,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:03,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:03,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:03,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:03,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:03,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:03,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:03,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:03,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:03,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:03,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:03,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:03,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:03,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:03,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:03,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:03,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:03,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:03,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:03,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:03,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:03,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:03,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:03,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:03,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:03,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:03,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:03,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:03,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:03,537 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 -> b4a4af23ae656ab916356d08324f42dc752fe903 [2019-11-24 21:08:04,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:04,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:04,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:04,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:04,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:04,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/volatile_alias.i [2019-11-24 21:08:04,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bd4f848/706845b867f34d289649063822a08499/FLAGca89ca158 [2019-11-24 21:08:05,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:05,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/volatile_alias.i [2019-11-24 21:08:05,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bd4f848/706845b867f34d289649063822a08499/FLAGca89ca158 [2019-11-24 21:08:05,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bd4f848/706845b867f34d289649063822a08499 [2019-11-24 21:08:05,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:05,362 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:05,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:05,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:05,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:05,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:05,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3514b78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05, skipping insertion in model container [2019-11-24 21:08:05,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:05,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:05,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:05,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:05,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:05,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:05,992 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:05,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05 WrapperNode [2019-11-24 21:08:05,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:05,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:05,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:05,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:06,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:06,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:06,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:06,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:06,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:05" (1/1) ... [2019-11-24 21:08:06,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:06,306 INFO L168 Benchmark]: Toolchain (without parser) took 936.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:06,310 INFO L168 Benchmark]: CDTParser took 0.95 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 21:08:06,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.87 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:06,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:06,321 INFO L168 Benchmark]: Boogie Preprocessor took 57.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:06,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 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 628.87 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 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 240.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 57.76 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-32f2683 [2019-11-24 21:08:10,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:10,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:10,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:10,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:10,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:10,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:10,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:10,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:10,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:10,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:10,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:10,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:10,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:10,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:10,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:10,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:10,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:10,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:10,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:10,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:10,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:10,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:10,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:10,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:10,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:10,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:10,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:10,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:10,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:10,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:10,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:10,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:10,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:10,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:10,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:10,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:10,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:10,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:10,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:10,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:10,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:10,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:10,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:10,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:10,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:10,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:10,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:10,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:10,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:10,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:10,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:10,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:10,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:10,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:10,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:10,558 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:10,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:10,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:10,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:10,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:10,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:10,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:10,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:10,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:10,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:10,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:10,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:10,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:10,565 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:10,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:10,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:10,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:10,569 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 -> b4a4af23ae656ab916356d08324f42dc752fe903 [2019-11-24 21:08:11,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:11,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:11,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:11,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:11,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:11,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/volatile_alias.i [2019-11-24 21:08:11,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f56f6ada/8e1fda30b868446d96b490da5ffa4e57/FLAGdaf828c6b [2019-11-24 21:08:12,257 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:12,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/volatile_alias.i [2019-11-24 21:08:12,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f56f6ada/8e1fda30b868446d96b490da5ffa4e57/FLAGdaf828c6b [2019-11-24 21:08:12,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f56f6ada/8e1fda30b868446d96b490da5ffa4e57 [2019-11-24 21:08:12,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:12,481 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:12,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:12,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:12,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:12,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:12" (1/1) ... [2019-11-24 21:08:12,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63445572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:12, skipping insertion in model container [2019-11-24 21:08:12,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:12" (1/1) ... [2019-11-24 21:08:12,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:12,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:12,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:12,986 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:13,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:13,048 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:13,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13 WrapperNode [2019-11-24 21:08:13,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:13,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:13,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:13,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:13,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:13,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:13,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:13,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:13,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:13" (1/1) ... [2019-11-24 21:08:13,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:13,264 INFO L168 Benchmark]: Toolchain (without parser) took 764.64 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. [2019-11-24 21:08:13,268 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-24 21:08:13,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.51 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. [2019-11-24 21:08:13,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.92 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. [2019-11-24 21:08:13,279 INFO L168 Benchmark]: Boogie Preprocessor took 38.56 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. [2019-11-24 21:08:13,290 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 563.51 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 147.92 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 38.56 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...