./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/ddv-machzwd/ddv_machzwd_outl.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 4d95ac846195c923ba14460571f07f6424e0aa6b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ddv-machzwd/ddv_machzwd_outl.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 4d95ac846195c923ba14460571f07f6424e0aa6b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:21,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:21,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:21,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:21,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:21,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:21,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:21,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:21,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:21,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:21,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:21,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:21,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:21,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:21,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:21,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:21,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:21,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:21,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:21,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:21,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:21,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:21,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:21,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:21,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:21,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:21,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:21,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:21,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:21,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:21,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:21,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:21,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:21,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:21,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:21,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:21,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:21,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:21,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:21,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:21,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:21,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:21,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:21,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:21,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:21,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:21,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:21,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:21,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:21,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:21,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:21,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:21,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:21,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:21,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:21,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:21,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:21,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:21,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:21,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:21,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:21,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:21,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:21,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:21,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:21,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:21,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:21,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:21,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:21,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:21,501 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 -> 4d95ac846195c923ba14460571f07f6424e0aa6b [2019-11-27 09:49:21,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:21,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:21,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:21,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:21,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:21,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-27 09:49:22,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce375453b/c4033fd556f948d68590b54434e8d659/FLAGdac41a29b [2019-11-27 09:49:23,113 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:23,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-27 09:49:23,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce375453b/c4033fd556f948d68590b54434e8d659/FLAGdac41a29b [2019-11-27 09:49:23,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce375453b/c4033fd556f948d68590b54434e8d659 [2019-11-27 09:49:23,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:23,628 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:23,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:23,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:23,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:23,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:23" (1/1) ... [2019-11-27 09:49:23,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cefffcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:23, skipping insertion in model container [2019-11-27 09:49:23,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:23" (1/1) ... [2019-11-27 09:49:23,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:23,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:25,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:26,025 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:26,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:27,071 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:27,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27 WrapperNode [2019-11-27 09:49:27,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:27,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:27,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:27,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:27,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:27,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:27,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:27,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:27,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:27" (1/1) ... [2019-11-27 09:49:27,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:27,653 INFO L168 Benchmark]: Toolchain (without parser) took 4021.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 766.8 MB in the end (delta: 187.8 MB). Peak memory consumption was 187.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,654 INFO L168 Benchmark]: CDTParser took 0.21 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 09:49:27,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3446.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 789.7 MB in the end (delta: 164.9 MB). Peak memory consumption was 164.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 343.50 ms. Allocated memory is still 1.0 GB. Free memory was 789.7 MB in the beginning and 772.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,663 INFO L168 Benchmark]: Boogie Preprocessor took 225.11 ms. Allocated memory is still 1.0 GB. Free memory was 772.5 MB in the beginning and 766.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:27,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3446.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 789.7 MB in the end (delta: 164.9 MB). Peak memory consumption was 164.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 343.50 ms. Allocated memory is still 1.0 GB. Free memory was 789.7 MB in the beginning and 772.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 225.11 ms. Allocated memory is still 1.0 GB. Free memory was 772.5 MB in the beginning and 766.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:30,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:30,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:30,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:30,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:30,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:30,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:30,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:30,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:30,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:30,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:30,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:30,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:30,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:30,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:30,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:30,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:30,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:30,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:30,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:30,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:30,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:30,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:30,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:30,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:30,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:30,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:30,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:30,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:30,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:30,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:30,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:30,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:30,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:30,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:30,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:30,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:30,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:30,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:30,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:30,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:30,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:30,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:30,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:30,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:30,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:30,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:30,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:30,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:30,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:30,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:30,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:30,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:30,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:30,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:30,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:30,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:30,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:30,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:30,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:30,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:30,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:30,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:30,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:30,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:30,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:30,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:30,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:30,584 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:30,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:30,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:30,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:30,587 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 -> 4d95ac846195c923ba14460571f07f6424e0aa6b [2019-11-27 09:49:31,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:31,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:31,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:31,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:31,048 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:31,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-27 09:49:31,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ed6dd7/83f1418579c045429743e74d7ab8a67c/FLAG22a371e2c [2019-11-27 09:49:32,157 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:32,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-27 09:49:32,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ed6dd7/83f1418579c045429743e74d7ab8a67c/FLAG22a371e2c [2019-11-27 09:49:32,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56ed6dd7/83f1418579c045429743e74d7ab8a67c [2019-11-27 09:49:32,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:32,667 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:32,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:32,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:32,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:32,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70075b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:32, skipping insertion in model container [2019-11-27 09:49:32,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:32" (1/1) ... [2019-11-27 09:49:32,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:32,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:35,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:35,214 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:35,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:36,296 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:36,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36 WrapperNode [2019-11-27 09:49:36,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:36,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:36,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:36,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:36,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:36,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:36,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:36,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:36,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:36,877 INFO L168 Benchmark]: Toolchain (without parser) took 4204.24 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 748.1 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:36,878 INFO L168 Benchmark]: CDTParser took 0.61 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 09:49:36,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3625.46 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 771.0 MB in the end (delta: 184.9 MB). Peak memory consumption was 185.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:36,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 327.43 ms. Allocated memory is still 1.0 GB. Free memory was 771.0 MB in the beginning and 759.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:36,886 INFO L168 Benchmark]: Boogie Preprocessor took 239.96 ms. Allocated memory is still 1.0 GB. Free memory was 759.6 MB in the beginning and 748.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:36,894 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 3625.46 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 771.0 MB in the end (delta: 184.9 MB). Peak memory consumption was 185.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 327.43 ms. Allocated memory is still 1.0 GB. Free memory was 771.0 MB in the beginning and 759.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 239.96 ms. Allocated memory is still 1.0 GB. Free memory was 759.6 MB in the beginning and 748.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...