./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-crafted/xor3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/array-crafted/xor3.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 a6ba398ae683ce262983ff3d95603ff914dfec2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/array-crafted/xor3.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 a6ba398ae683ce262983ff3d95603ff914dfec2a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:30:13,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:13,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:13,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:13,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:13,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:13,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:13,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:13,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:13,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:13,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:13,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:13,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:13,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:13,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:13,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:13,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:13,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:13,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:13,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:13,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:13,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:13,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:13,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:13,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:13,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:13,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:13,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:13,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:13,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:13,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:13,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:13,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:13,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:13,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:13,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:13,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:13,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:13,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:13,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:13,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:13,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:30:13,358 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:13,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:13,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:13,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:13,368 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:13,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:13,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:13,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:30:13,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:13,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:13,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:13,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:13,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:13,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:13,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:13,376 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:13,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:13,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:13,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:13,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:13,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:13,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:13,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:13,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:13,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:13,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:30:13,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:30:13,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:13,384 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 -> a6ba398ae683ce262983ff3d95603ff914dfec2a [2019-11-26 16:30:13,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:13,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:13,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:13,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:13,949 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:13,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/xor3.i [2019-11-26 16:30:14,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e253d7eb1/7a260c584b9641019a4d072bbeefe88f/FLAG9123140b8 [2019-11-26 16:30:15,181 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:15,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor3.i [2019-11-26 16:30:15,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e253d7eb1/7a260c584b9641019a4d072bbeefe88f/FLAG9123140b8 [2019-11-26 16:30:15,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e253d7eb1/7a260c584b9641019a4d072bbeefe88f [2019-11-26 16:30:15,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:15,253 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:15,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:15,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:15,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:15,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:15" (1/1) ... [2019-11-26 16:30:15,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2a01a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:15, skipping insertion in model container [2019-11-26 16:30:15,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:15" (1/1) ... [2019-11-26 16:30:15,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:15,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:15,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:15,829 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:15,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:16,023 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:16,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16 WrapperNode [2019-11-26 16:30:16,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:16,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:16,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:16,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:16,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:16,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:16,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:16,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:16,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:16,248 INFO L168 Benchmark]: Toolchain (without parser) took 977.06 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: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:16,250 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-26 16:30:16,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.27 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: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:16,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.69 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. [2019-11-26 16:30:16,260 INFO L168 Benchmark]: Boogie Preprocessor took 82.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-26 16:30:16,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 768.27 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: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.69 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. * Boogie Preprocessor took 82.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:30:20,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:20,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:20,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:20,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:20,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:20,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:20,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:20,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:20,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:20,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:20,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:20,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:20,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:20,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:20,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:20,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:20,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:20,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:20,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:20,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:20,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:20,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:20,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:20,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:20,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:20,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:20,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:20,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:20,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:20,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:20,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:20,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:20,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:20,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:20,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:20,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:20,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:20,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:20,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:20,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:20,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:30:20,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:20,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:20,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:20,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:20,306 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:20,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:20,307 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:20,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:20,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:20,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:20,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:20,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:20,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:30:20,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:30:20,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:20,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:20,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:20,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:20,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:20,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:20,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:20,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:20,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:20,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:20,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:20,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:20,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:30:20,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:30:20,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:20,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:30:20,326 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 -> a6ba398ae683ce262983ff3d95603ff914dfec2a [2019-11-26 16:30:21,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:21,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:21,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:21,060 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:21,061 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:21,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/xor3.i [2019-11-26 16:30:21,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821605e60/ec2a8e8c843945be9618c36840462c8d/FLAG4ab158b61 [2019-11-26 16:30:22,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:22,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor3.i [2019-11-26 16:30:22,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821605e60/ec2a8e8c843945be9618c36840462c8d/FLAG4ab158b61 [2019-11-26 16:30:22,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821605e60/ec2a8e8c843945be9618c36840462c8d [2019-11-26 16:30:22,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:22,375 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:22,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:22,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:22,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:22,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:22" (1/1) ... [2019-11-26 16:30:22,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:22, skipping insertion in model container [2019-11-26 16:30:22,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:22" (1/1) ... [2019-11-26 16:30:22,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:22,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:22,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:23,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:23,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:23,279 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:23,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23 WrapperNode [2019-11-26 16:30:23,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:23,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:23,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:23,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:23,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:23,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:23,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:23,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:23,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:23,546 INFO L168 Benchmark]: Toolchain (without parser) took 1169.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:23,549 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-26 16:30:23,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:23,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:23,561 INFO L168 Benchmark]: Boogie Preprocessor took 119.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:23,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 909.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...