./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-examples/relax-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/relax-2.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 e8a1befeddf689a298a544a140943674ffaf142f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/relax-2.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 e8a1befeddf689a298a544a140943674ffaf142f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:37:23,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:37:23,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:37:23,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:37:23,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:37:23,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:37:23,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:37:23,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:37:23,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:37:23,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:37:23,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:37:23,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:37:23,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:37:23,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:37:23,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:37:23,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:37:23,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:37:23,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:37:23,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:37:23,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:37:23,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:37:23,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:37:23,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:37:23,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:37:23,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:37:23,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:37:23,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:37:23,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:37:23,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:37:23,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:37:23,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:37:23,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:37:23,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:37:23,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:37:23,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:37:23,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:37:23,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:37:23,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:37:23,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:37:23,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:37:23,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:37:23,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:37:23,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:37:23,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:37:23,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:37:23,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:37:23,418 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:37:23,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:37:23,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:37:23,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:37:23,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:37:23,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:37:23,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:37:23,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:37:23,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:37:23,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:37:23,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:37:23,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:37:23,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:37:23,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:37:23,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:37:23,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:37:23,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:37:23,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:37:23,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:37:23,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:37:23,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:37:23,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:37:23,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:37:23,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:37:23,432 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 -> e8a1befeddf689a298a544a140943674ffaf142f [2019-11-27 15:37:24,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:37:24,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:37:24,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:37:24,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:37:24,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:37:24,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/relax-2.i [2019-11-27 15:37:24,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042c6eebd/0c2d8c571b064559855cf3126723aadf/FLAG188f87630 [2019-11-27 15:37:25,476 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:37:25,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/relax-2.i [2019-11-27 15:37:25,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042c6eebd/0c2d8c571b064559855cf3126723aadf/FLAG188f87630 [2019-11-27 15:37:25,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042c6eebd/0c2d8c571b064559855cf3126723aadf [2019-11-27 15:37:25,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:37:25,574 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:37:25,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:37:25,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:37:25,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:37:25,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:37:25" (1/1) ... [2019-11-27 15:37:25,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:25, skipping insertion in model container [2019-11-27 15:37:25,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:37:25" (1/1) ... [2019-11-27 15:37:25,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:37:25,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:37:26,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:37:26,690 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:37:26,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:37:26,940 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:37:26,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26 WrapperNode [2019-11-27 15:37:26,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:37:26,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:37:26,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:37:26,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:37:26,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:37:27,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:37:27,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:37:27,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:37:27,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:26" (1/1) ... [2019-11-27 15:37:27,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:37:27,162 INFO L168 Benchmark]: Toolchain (without parser) took 1579.41 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:37:27,165 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-27 15:37:27,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1365.26 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:37:27,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:37:27,186 INFO L168 Benchmark]: Boogie Preprocessor took 88.80 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:37:27,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1365.26 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.80 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 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 0.1.24-509859d [2019-11-27 15:37:30,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:37:30,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:37:30,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:37:30,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:37:31,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:37:31,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:37:31,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:37:31,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:37:31,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:37:31,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:37:31,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:37:31,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:37:31,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:37:31,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:37:31,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:37:31,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:37:31,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:37:31,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:37:31,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:37:31,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:37:31,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:37:31,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:37:31,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:37:31,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:37:31,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:37:31,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:37:31,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:37:31,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:37:31,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:37:31,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:37:31,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:37:31,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:37:31,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:37:31,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:37:31,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:37:31,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:37:31,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:37:31,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:37:31,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:37:31,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:37:31,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:37:31,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:37:31,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:37:31,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:37:31,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:37:31,200 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:37:31,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:37:31,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:37:31,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:37:31,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:37:31,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:37:31,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:37:31,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:37:31,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:37:31,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:37:31,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:37:31,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:37:31,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:37:31,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:37:31,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:37:31,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:37:31,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:37:31,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:37:31,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:37:31,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:37:31,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:37:31,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:37:31,218 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:37:31,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:37:31,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:37:31,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:37:31,220 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 -> e8a1befeddf689a298a544a140943674ffaf142f [2019-11-27 15:37:31,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:37:31,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:37:31,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:37:31,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:37:31,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:37:31,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/relax-2.i [2019-11-27 15:37:32,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b91901b/f759e7cd35ed47958c3a24f2633a2dc9/FLAG85b631e31 [2019-11-27 15:37:33,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:37:33,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/relax-2.i [2019-11-27 15:37:33,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b91901b/f759e7cd35ed47958c3a24f2633a2dc9/FLAG85b631e31 [2019-11-27 15:37:33,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b91901b/f759e7cd35ed47958c3a24f2633a2dc9 [2019-11-27 15:37:33,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:37:33,459 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:37:33,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:37:33,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:37:33,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:37:33,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:37:33" (1/1) ... [2019-11-27 15:37:33,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:33, skipping insertion in model container [2019-11-27 15:37:33,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:37:33" (1/1) ... [2019-11-27 15:37:33,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:37:33,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:37:34,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:37:34,472 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:37:34,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:37:34,751 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:37:34,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34 WrapperNode [2019-11-27 15:37:34,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:37:34,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:37:34,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:37:34,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:37:34,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:37:34,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:37:34,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:37:34,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:37:34,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:37:34" (1/1) ... [2019-11-27 15:37:34,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:37:34,994 INFO L168 Benchmark]: Toolchain (without parser) took 1532.26 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 966.8 MB in the end (delta: 664.6 kB). Peak memory consumption was 730.2 kB. Max. memory is 12.5 GB. [2019-11-27 15:37:34,995 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-27 15:37:35,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.20 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:37:35,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.37 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:37:35,014 INFO L168 Benchmark]: Boogie Preprocessor took 103.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:37:35,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1291.20 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.37 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.28 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 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...