./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/alt_test.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/ldv-regression/alt_test.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 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ldv-regression/alt_test.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 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:26,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:26,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:26,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:26,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:26,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:26,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:26,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:26,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:26,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:26,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:26,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:26,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:26,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:26,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:26,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:26,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:26,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:26,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:26,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:26,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:26,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:26,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:26,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:26,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:26,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:26,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:26,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:26,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:26,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:26,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:26,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:26,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:26,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:26,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:26,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:26,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:26,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:26,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:26,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:26,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:26,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:26,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:26,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:26,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:26,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:26,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:26,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:26,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:26,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:26,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:26,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:26,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:26,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:26,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:26,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:26,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:26,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:26,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:26,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:26,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:26,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:26,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:26,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:26,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:26,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:26,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:26,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:26,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:26,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:26,804 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 -> 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 [2019-11-27 16:10:27,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:27,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:27,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:27,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:27,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:27,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/alt_test.i [2019-11-27 16:10:27,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16bfc8ff7/a14f8d4716e1452da6305771985700e0/FLAG02cd4c3dd [2019-11-27 16:10:28,178 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:28,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/alt_test.i [2019-11-27 16:10:28,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16bfc8ff7/a14f8d4716e1452da6305771985700e0/FLAG02cd4c3dd [2019-11-27 16:10:28,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16bfc8ff7/a14f8d4716e1452da6305771985700e0 [2019-11-27 16:10:28,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:28,364 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:28,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:28,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:28,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:28,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:28" (1/1) ... [2019-11-27 16:10:28,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b72cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:28, skipping insertion in model container [2019-11-27 16:10:28,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:28" (1/1) ... [2019-11-27 16:10:28,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:28,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:29,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:29,192 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:29,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:29,455 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:29,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29 WrapperNode [2019-11-27 16:10:29,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:29,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:29,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:29,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:29,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:29,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:29,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:29,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:29,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:29,637 INFO L168 Benchmark]: Toolchain (without parser) took 1267.47 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 960.8 MB in the end (delta: 845.7 kB). Peak memory consumption was 911.2 kB. Max. memory is 12.5 GB. [2019-11-27 16:10:29,638 INFO L168 Benchmark]: CDTParser took 0.97 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 16:10:29,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1088.94 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 960.8 MB in the end (delta: 845.7 kB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:29,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.30 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:29,643 INFO L168 Benchmark]: Boogie Preprocessor took 59.11 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:29,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 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 1088.94 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 960.8 MB in the end (delta: 845.7 kB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.30 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.11 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 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 0.1.24-509859d [2019-11-27 16:10:32,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:32,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:32,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:32,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:32,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:32,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:32,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:32,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:32,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:32,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:32,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:32,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:32,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:32,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:32,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:32,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:32,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:32,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:32,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:32,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:32,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:32,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:32,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:32,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:32,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:32,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:32,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:32,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:32,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:32,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:32,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:32,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:32,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:32,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:32,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:32,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:32,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:32,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:32,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:32,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:32,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:32,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:32,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:32,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:32,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:32,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:32,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:32,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:32,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:32,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:32,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:32,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:32,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:32,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:32,526 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:32,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:32,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:32,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:32,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:32,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:32,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:32,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:32,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:32,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:32,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:32,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:32,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:32,531 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:32,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:32,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:32,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:32,536 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 -> 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 [2019-11-27 16:10:32,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:32,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:32,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:32,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:32,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:32,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/alt_test.i [2019-11-27 16:10:33,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73de2832b/4b27b6e7c587419ba1238f3d7fb98937/FLAGd94f0baf6 [2019-11-27 16:10:33,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:33,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/alt_test.i [2019-11-27 16:10:33,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73de2832b/4b27b6e7c587419ba1238f3d7fb98937/FLAGd94f0baf6 [2019-11-27 16:10:34,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73de2832b/4b27b6e7c587419ba1238f3d7fb98937 [2019-11-27 16:10:34,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:34,108 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:34,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:34,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:34,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:34,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34, skipping insertion in model container [2019-11-27 16:10:34,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:34,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:34,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:34,930 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:35,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:35,200 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:35,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35 WrapperNode [2019-11-27 16:10:35,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:35,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:35,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:35,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:35,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:35,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:35,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:35,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:35,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:35" (1/1) ... [2019-11-27 16:10:35,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:35,397 INFO L168 Benchmark]: Toolchain (without parser) took 1284.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:35,398 INFO L168 Benchmark]: CDTParser took 0.75 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 16:10:35,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1089.68 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 955.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:35,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.29 ms. Allocated memory is still 1.0 GB. Free memory is still 955.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:35,402 INFO L168 Benchmark]: Boogie Preprocessor took 71.73 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 949.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:35,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 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 1089.68 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 955.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.29 ms. Allocated memory is still 1.0 GB. Free memory is still 955.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.73 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 949.6 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...