./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-examples/standard_strcmp_ground.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/array-examples/standard_strcmp_ground.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 a59c51d5e3fa67a8321e4640f794a5b76d3de221 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-examples/standard_strcmp_ground.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 a59c51d5e3fa67a8321e4640f794a5b76d3de221 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:34:55,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:34:55,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:34:55,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:34:55,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:34:55,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:34:55,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:34:55,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:34:55,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:34:55,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:34:55,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:34:55,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:34:55,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:34:55,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:34:55,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:34:55,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:34:55,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:34:55,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:34:55,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:34:55,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:34:55,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:34:55,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:34:55,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:34:55,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:34:55,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:34:55,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:34:55,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:34:55,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:34:55,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:34:55,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:34:55,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:34:55,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:34:55,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:34:55,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:34:55,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:34:55,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:34:55,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:34:55,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:34:55,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:34:55,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:34:55,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:34:55,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:34:55,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:34:55,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:34:55,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:34:55,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:34:55,428 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:34:55,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:34:55,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:34:55,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:34:55,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:34:55,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:34:55,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:34:55,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:34:55,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:34:55,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:34:55,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:34:55,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:34:55,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:34:55,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:34:55,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:34:55,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:34:55,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:34:55,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:34:55,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:34:55,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:34:55,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:34:55,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:34:55,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:34:55,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:34:55,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:34:55,446 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 -> a59c51d5e3fa67a8321e4640f794a5b76d3de221 [2019-11-24 20:34:56,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:34:56,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:34:56,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:34:56,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:34:56,083 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:34:56,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-24 20:34:56,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b45d552/774dfedc69d64ef2a6d98f4cca60802d/FLAGcf28cbb8c [2019-11-24 20:34:57,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:34:57,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-24 20:34:57,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b45d552/774dfedc69d64ef2a6d98f4cca60802d/FLAGcf28cbb8c [2019-11-24 20:34:57,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b45d552/774dfedc69d64ef2a6d98f4cca60802d [2019-11-24 20:34:57,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:34:57,379 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:34:57,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:34:57,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:34:57,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:34:57,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:34:57" (1/1) ... [2019-11-24 20:34:57,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f019929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:57, skipping insertion in model container [2019-11-24 20:34:57,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:34:57" (1/1) ... [2019-11-24 20:34:57,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:34:57,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:34:57,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:34:57,962 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:34:58,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:34:58,117 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:34:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58 WrapperNode [2019-11-24 20:34:58,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:34:58,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:34:58,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:34:58,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:34:58,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:34:58,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:34:58,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:34:58,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:34:58,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:34:58" (1/1) ... [2019-11-24 20:34:58,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:34:58,282 INFO L168 Benchmark]: Toolchain (without parser) took 898.89 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 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:34:58,284 INFO L168 Benchmark]: CDTParser took 0.89 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 20:34:58,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.51 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 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:34:58,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.28 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. [2019-11-24 20:34:58,304 INFO L168 Benchmark]: Boogie Preprocessor took 62.27 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. [2019-11-24 20:34:58,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 737.51 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 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 83.28 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 62.27 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 0.1.24-32f2683 [2019-11-24 20:35:02,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:35:02,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:35:02,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:35:02,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:35:02,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:35:02,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:35:02,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:35:02,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:35:02,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:35:02,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:35:02,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:35:02,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:35:02,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:35:02,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:35:02,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:35:02,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:35:02,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:35:02,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:35:02,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:35:02,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:35:02,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:35:02,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:35:02,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:35:02,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:35:02,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:35:02,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:35:02,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:35:02,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:35:02,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:35:02,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:35:02,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:35:02,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:35:02,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:35:02,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:35:02,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:35:02,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:35:02,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:35:02,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:35:02,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:35:02,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:35:02,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:35:02,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:35:02,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:35:02,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:35:02,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:35:02,354 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:35:02,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:35:02,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:35:02,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:35:02,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:35:02,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:35:02,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:35:02,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:35:02,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:35:02,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:35:02,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:35:02,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:35:02,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:35:02,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:35:02,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:35:02,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:35:02,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:35:02,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:35:02,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:35:02,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:35:02,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:35:02,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:35:02,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:35:02,369 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:35:02,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:35:02,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:35:02,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:35:02,374 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 -> a59c51d5e3fa67a8321e4640f794a5b76d3de221 [2019-11-24 20:35:03,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:35:03,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:35:03,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:35:03,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:35:03,086 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:35:03,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-24 20:35:03,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2787cbf9e/2821ec670f87471db073f5171bf58e72/FLAG1eb26cfac [2019-11-24 20:35:04,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:35:04,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-24 20:35:04,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2787cbf9e/2821ec670f87471db073f5171bf58e72/FLAG1eb26cfac [2019-11-24 20:35:04,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2787cbf9e/2821ec670f87471db073f5171bf58e72 [2019-11-24 20:35:04,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:35:04,335 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:35:04,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:04,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:35:04,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:35:04,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:04" (1/1) ... [2019-11-24 20:35:04,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:04, skipping insertion in model container [2019-11-24 20:35:04,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:35:04" (1/1) ... [2019-11-24 20:35:04,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:35:04,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:35:04,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:04,898 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:35:04,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:35:05,085 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:35:05,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05 WrapperNode [2019-11-24 20:35:05,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:35:05,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:05,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:35:05,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:35:05,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:35:05,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:35:05,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:35:05,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:35:05,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:35:05" (1/1) ... [2019-11-24 20:35:05,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:35:05,280 INFO L168 Benchmark]: Toolchain (without parser) took 939.01 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:05,282 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 20:35:05,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:35:05,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.40 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:35:05,289 INFO L168 Benchmark]: Boogie Preprocessor took 79.67 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. [2019-11-24 20:35:05,300 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 751.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.40 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.67 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...