./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/egcd2.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 95396db54d6803df90b045d200d759c42b2c22fc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/egcd2.c -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 95396db54d6803df90b045d200d759c42b2c22fc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:10,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:10,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:10,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:10,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:10,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:10,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:10,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:10,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:10,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:10,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:10,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:10,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:10,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:10,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:10,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:10,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:10,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:10,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:10,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:10,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:10,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:10,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:10,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:10,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:10,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:10,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:10,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:10,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:10,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:10,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:10,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:10,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:10,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:10,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:10,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:10,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:10,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:10,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:10,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:10,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:10,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:10,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:10,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:10,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:10,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:10,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:10,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:10,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:10,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:10,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:10,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:10,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:10,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:10,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:10,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:10,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:10,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:10,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:10,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:10,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:10,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:10,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:10,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:10,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:10,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:10,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:10,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:10,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:10,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:10,527 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 -> 95396db54d6803df90b045d200d759c42b2c22fc [2019-11-26 17:05:10,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:10,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:10,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:10,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:10,940 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:10,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-26 17:05:11,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f617c5a/9d8c18adb5fb4dbb937a640fa629b2e0/FLAG624b500e4 [2019-11-26 17:05:11,753 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:11,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-26 17:05:11,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f617c5a/9d8c18adb5fb4dbb937a640fa629b2e0/FLAG624b500e4 [2019-11-26 17:05:12,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f617c5a/9d8c18adb5fb4dbb937a640fa629b2e0 [2019-11-26 17:05:12,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:12,068 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:12,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:12,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:12,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:12,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ceac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12, skipping insertion in model container [2019-11-26 17:05:12,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:12,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:12,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:12,432 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:12,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:12,541 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:12,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12 WrapperNode [2019-11-26 17:05:12,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:12,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:12,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:12,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:12,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:12,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:12,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:12,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:12,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:12" (1/1) ... [2019-11-26 17:05:12,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:12,667 INFO L168 Benchmark]: Toolchain (without parser) took 596.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.0 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,681 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:12,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.47 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,687 INFO L168 Benchmark]: Boogie Preprocessor took 47.60 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:12,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 493.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 45.47 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 47.60 ms. Allocated memory is still 1.0 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:15,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:15,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:15,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:15,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:15,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:15,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:15,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:15,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:15,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:15,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:15,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:15,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:15,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:15,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:15,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:15,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:15,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:15,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:15,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:15,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:15,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:15,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:15,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:15,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:15,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:15,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:15,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:15,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:15,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:15,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:15,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:15,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:15,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:15,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:15,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:15,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:15,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:15,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:15,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:15,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:15,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:15,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:15,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:15,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:15,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:15,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:15,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:15,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:15,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:15,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:15,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:15,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:15,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:15,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:15,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:15,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:15,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:15,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:15,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:15,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:15,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:15,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:15,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:15,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:15,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:15,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:15,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:15,585 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:15,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:15,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:15,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:15,587 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 -> 95396db54d6803df90b045d200d759c42b2c22fc [2019-11-26 17:05:16,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:16,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:16,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:16,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:16,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:16,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-26 17:05:16,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8c7abef/fc997d9fef6e47dfa6050b42aa21443d/FLAG34b9acd46 [2019-11-26 17:05:16,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:16,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-26 17:05:16,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8c7abef/fc997d9fef6e47dfa6050b42aa21443d/FLAG34b9acd46 [2019-11-26 17:05:17,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8c7abef/fc997d9fef6e47dfa6050b42aa21443d [2019-11-26 17:05:17,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:17,201 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:17,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:17,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:17,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:17,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1078e4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17, skipping insertion in model container [2019-11-26 17:05:17,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:17,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:17,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:17,582 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:17,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:17,699 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:17,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17 WrapperNode [2019-11-26 17:05:17,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:17,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:17,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:17,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:17,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:17,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:17,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:17,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:17,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:17,806 INFO L168 Benchmark]: Toolchain (without parser) took 600.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 990.1 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,807 INFO L168 Benchmark]: CDTParser took 2.59 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 990.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:17,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,810 INFO L168 Benchmark]: Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.59 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 496.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 990.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...