./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test_union.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/test_union.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 d175f2e77aebe63dd05869db0ed17fb7b8bf3540 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test_union.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 d175f2e77aebe63dd05869db0ed17fb7b8bf3540 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:12,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:12,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:12,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:12,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:12,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:12,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:12,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:12,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:12,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:12,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:12,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:12,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:12,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:12,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:12,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:12,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:12,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:12,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:12,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:12,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:12,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:12,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:12,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:12,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:12,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:12,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:12,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:12,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:12,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:12,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:12,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:12,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:12,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:12,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:12,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:12,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:12,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:12,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:12,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:12,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:12,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:12,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:12,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:12,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:12,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:12,507 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:12,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:12,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:12,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:12,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:12,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:12,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:12,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:12,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:12,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:12,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:12,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:12,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:12,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:12,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:12,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:12,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:12,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:12,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:12,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:12,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:12,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:12,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:12,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:12,522 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 -> d175f2e77aebe63dd05869db0ed17fb7b8bf3540 [2019-11-25 22:54:13,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:13,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:13,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:13,082 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:13,083 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:13,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union.i [2019-11-25 22:54:13,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516b2a568/7d971fd2ee6b4f899332b0e4b2eb2af7/FLAG453fc1e1b [2019-11-25 22:54:14,283 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:14,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union.i [2019-11-25 22:54:14,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516b2a568/7d971fd2ee6b4f899332b0e4b2eb2af7/FLAG453fc1e1b [2019-11-25 22:54:14,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/516b2a568/7d971fd2ee6b4f899332b0e4b2eb2af7 [2019-11-25 22:54:14,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:14,351 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:14,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:14,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:14,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:14,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:14,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e551884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14, skipping insertion in model container [2019-11-25 22:54:14,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:14,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:14,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:14,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:14,839 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:14,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:14,937 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:14,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14 WrapperNode [2019-11-25 22:54:14,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:14,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:14,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:14,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:14,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:15,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:15,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:15,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:15,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:14" (1/1) ... [2019-11-25 22:54:15,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:15,173 INFO L168 Benchmark]: Toolchain (without parser) took 816.65 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 996.9 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:15,177 INFO L168 Benchmark]: CDTParser took 1.88 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. [2019-11-25 22:54:15,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.82 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. [2019-11-25 22:54:15,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.02 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:15,187 INFO L168 Benchmark]: Boogie Preprocessor took 55.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:15,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88 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 582.82 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 162.02 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 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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 0.1.24-65d6cd2 [2019-11-25 22:54:19,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:19,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:19,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:19,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:19,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:19,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:19,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:19,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:19,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:19,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:19,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:19,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:19,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:19,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:19,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:19,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:19,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:19,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:19,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:19,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:19,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:19,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:19,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:19,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:19,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:19,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:19,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:19,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:19,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:19,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:19,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:19,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:19,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:19,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:19,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:19,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:19,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:19,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:19,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:19,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:19,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:19,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:19,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:19,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:19,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:19,356 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:19,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:19,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:19,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:19,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:19,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:19,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:19,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:19,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:19,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:19,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:19,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:19,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:19,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:19,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:19,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:19,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:19,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:19,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:19,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:19,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:19,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:19,370 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:19,370 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:19,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:19,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:19,375 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 -> d175f2e77aebe63dd05869db0ed17fb7b8bf3540 [2019-11-25 22:54:19,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:19,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:19,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:19,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:19,949 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:19,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union.i [2019-11-25 22:54:20,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20f30a23/6765a9deaf8848e889474c26ea77ce35/FLAG61ab64ce8 [2019-11-25 22:54:21,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:21,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union.i [2019-11-25 22:54:21,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20f30a23/6765a9deaf8848e889474c26ea77ce35/FLAG61ab64ce8 [2019-11-25 22:54:21,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b20f30a23/6765a9deaf8848e889474c26ea77ce35 [2019-11-25 22:54:21,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:21,252 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:21,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:21,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:21,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:21,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21, skipping insertion in model container [2019-11-25 22:54:21,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:21,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:21,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:21,714 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:21,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:21,786 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:21,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21 WrapperNode [2019-11-25 22:54:21,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:21,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:21,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:21,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:21,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:21,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:21,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:21,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:21,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:21,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:22,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:22,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:21" (1/1) ... [2019-11-25 22:54:22,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:22,035 INFO L168 Benchmark]: Toolchain (without parser) took 765.83 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:22,039 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-25 22:54:22,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.96 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. [2019-11-25 22:54:22,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.62 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:22,051 INFO L168 Benchmark]: Boogie Preprocessor took 54.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:22,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 531.96 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 164.62 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 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.44 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...