./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/gcd_2.c --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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/bitvector/gcd_2.c -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 ca12b384c8180063e3f1c5738f7063e9219b0df5 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:26:23,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:26:23,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:26:23,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:26:23,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:26:23,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:26:23,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:26:23,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:26:23,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:26:23,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:26:23,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:26:23,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:26:23,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:26:23,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:26:23,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:26:23,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:26:23,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:26:23,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:26:23,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:26:23,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:26:23,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:26:23,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:26:23,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:26:23,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:26:23,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:26:23,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:26:23,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:26:23,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:26:23,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:26:23,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:26:23,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:26:23,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:26:23,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:26:23,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:26:23,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:26:23,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:26:23,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:26:23,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:26:23,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:26:23,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:26:23,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:26:23,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:26:23,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:26:23,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:26:23,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:26:23,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:26:23,365 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:26:23,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:26:23,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:26:23,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:26:23,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:26:23,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:26:23,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:26:23,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:26:23,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:26:23,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:26:23,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:26:23,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:26:23,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:26:23,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:26:23,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:26:23,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:26:23,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:26:23,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:26:23,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:26:23,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:26:23,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:26:23,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:26:23,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:26:23,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:26:23,381 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 -> ca12b384c8180063e3f1c5738f7063e9219b0df5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:26:23,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:26:24,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:26:24,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:26:24,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:26:24,023 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:26:24,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_2.c [2019-11-20 22:26:24,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f8435c/400a57614e9a4ae0886eb3a38d8fb2ab/FLAG7ba84d017 [2019-11-20 22:26:25,250 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:26:25,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_2.c [2019-11-20 22:26:25,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f8435c/400a57614e9a4ae0886eb3a38d8fb2ab/FLAG7ba84d017 [2019-11-20 22:26:25,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad6f8435c/400a57614e9a4ae0886eb3a38d8fb2ab [2019-11-20 22:26:25,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:26:25,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:26:25,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:26:25,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:26:25,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:26:25,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:26:25" (1/1) ... [2019-11-20 22:26:25,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55385f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:25, skipping insertion in model container [2019-11-20 22:26:25,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:26:25" (1/1) ... [2019-11-20 22:26:25,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:26:25,433 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:26:25,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:26:25,903 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:26:25,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:26:26,004 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:26:26,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26 WrapperNode [2019-11-20 22:26:26,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:26:26,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:26:26,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:26:26,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:26:26,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:26:26,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:26:26,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:26:26,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:26:26,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:26" (1/1) ... [2019-11-20 22:26:26,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:26:26,222 INFO L168 Benchmark]: Toolchain (without parser) took 875.23 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: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:26:26,225 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-20 22:26:26,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.62 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:26:26,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-20 22:26:26,234 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-20 22:26:26,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 672.62 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 134.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...