./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 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-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 0.1.24-025d5a2 [2019-11-26 16:29:08,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:08,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:08,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:08,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:08,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:08,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:08,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:08,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:08,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:08,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:08,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:08,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:08,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:08,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:08,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:08,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:08,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:08,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:08,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:08,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:08,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:08,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:08,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:08,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:08,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:08,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:08,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:08,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:08,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:08,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:08,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:08,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:08,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:08,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:08,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:08,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:08,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:08,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:08,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:08,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:08,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:08,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:08,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:08,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:08,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:08,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:08,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:08,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:08,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:08,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:08,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:08,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:08,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:08,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:08,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:08,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:08,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:08,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:08,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:08,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:08,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:08,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:08,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:08,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:08,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:08,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:08,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:08,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:08,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:08,458 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 [2019-11-26 16:29:09,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:09,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:09,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:09,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:09,052 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:09,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-26 16:29:09,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177620c7b/880ba4ef68224df1aca428c6e0346e99/FLAG9ca588416 [2019-11-26 16:29:10,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:10,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-26 16:29:10,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177620c7b/880ba4ef68224df1aca428c6e0346e99/FLAG9ca588416 [2019-11-26 16:29:10,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177620c7b/880ba4ef68224df1aca428c6e0346e99 [2019-11-26 16:29:10,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:10,326 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:10,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:10,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:10,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:10,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:10" (1/1) ... [2019-11-26 16:29:10,350 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 26.11 04:29:10, skipping insertion in model container [2019-11-26 16:29:10,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:10" (1/1) ... [2019-11-26 16:29:10,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:10,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:10,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:10,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:10,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:11,078 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:11,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11 WrapperNode [2019-11-26 16:29:11,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:11,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:11,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:11,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:11,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:11,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:11,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:11,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:11,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:11" (1/1) ... [2019-11-26 16:29:11,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:11,299 INFO L168 Benchmark]: Toolchain (without parser) took 963.45 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. [2019-11-26 16:29:11,301 INFO L168 Benchmark]: CDTParser took 1.71 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 16:29:11,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:11,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.55 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. [2019-11-26 16:29:11,318 INFO L168 Benchmark]: Boogie Preprocessor took 89.10 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. [2019-11-26 16:29:11,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 755.70 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.55 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 89.10 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:15,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:15,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:15,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:15,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:15,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:15,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:15,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:15,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:15,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:15,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:15,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:15,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:15,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:15,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:15,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:15,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:15,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:15,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:15,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:15,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:15,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:15,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:15,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:15,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:15,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:15,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:15,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:15,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:15,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:15,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:15,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:15,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:15,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:15,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:15,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:15,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:15,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:15,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:15,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:15,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:15,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:15,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:15,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:15,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:15,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:15,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:15,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:15,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:15,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:15,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:15,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:15,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:15,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:15,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:15,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:15,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:15,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:15,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:15,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:15,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:15,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:15,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:15,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:15,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:15,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:15,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:15,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:15,339 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:15,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:15,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:15,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:15,341 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 [2019-11-26 16:29:15,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:15,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:15,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:16,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:16,001 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:16,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-26 16:29:16,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918f6b40e/750fb4355ed84517b4e39d1585bdf79a/FLAG536ca3206 [2019-11-26 16:29:17,046 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:17,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2019-11-26 16:29:17,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918f6b40e/750fb4355ed84517b4e39d1585bdf79a/FLAG536ca3206 [2019-11-26 16:29:17,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918f6b40e/750fb4355ed84517b4e39d1585bdf79a [2019-11-26 16:29:17,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:17,235 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:17,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:17,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:17,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:17,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:17,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17, skipping insertion in model container [2019-11-26 16:29:17,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:17,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:17,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:17,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:17,796 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:17,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:17,876 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:17,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17 WrapperNode [2019-11-26 16:29:17,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:17,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:17,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:17,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:17,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:18,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:18,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:18,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:18,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:17" (1/1) ... [2019-11-26 16:29:18,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:18,151 INFO L168 Benchmark]: Toolchain (without parser) took 915.93 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 16:29:18,154 INFO L168 Benchmark]: CDTParser took 0.35 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 16:29:18,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.90 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. [2019-11-26 16:29:18,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.43 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. [2019-11-26 16:29:18,161 INFO L168 Benchmark]: Boogie Preprocessor took 90.07 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 16:29:18,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 640.90 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 172.43 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 90.07 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...