./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c --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/systemc/pc_sfifo_2.cil-1.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 d321e3b1b642bcfc9c94c4888bd187898cb1af58 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/systemc/pc_sfifo_2.cil-1.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 d321e3b1b642bcfc9c94c4888bd187898cb1af58 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:22:11,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:11,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:11,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:11,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:11,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:11,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:11,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:11,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:11,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:11,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:11,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:11,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:11,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:11,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:11,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:11,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:11,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:11,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:11,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:11,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:11,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:11,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:11,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:11,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:11,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:11,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:11,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:11,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:11,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:11,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:11,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:11,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:11,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:11,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:11,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:11,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:11,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:11,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:11,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:11,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:11,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:22:11,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:11,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:11,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:11,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:11,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:11,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:11,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:11,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:22:11,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:11,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:11,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:11,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:11,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:11,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:11,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:11,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:11,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:11,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:11,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:11,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:11,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:11,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:11,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:11,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:11,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:11,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:22:11,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:22:11,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:11,592 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 -> d321e3b1b642bcfc9c94c4888bd187898cb1af58 [2019-11-27 16:22:12,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:12,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:12,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:12,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:12,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:12,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-27 16:22:12,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf34fb1/0b2fd9bfb73148d380f6e0ccbae00f47/FLAG55955f522 [2019-11-27 16:22:13,447 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:13,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-27 16:22:13,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf34fb1/0b2fd9bfb73148d380f6e0ccbae00f47/FLAG55955f522 [2019-11-27 16:22:13,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf34fb1/0b2fd9bfb73148d380f6e0ccbae00f47 [2019-11-27 16:22:13,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:13,526 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:13,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:13,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:13,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:13,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:13" (1/1) ... [2019-11-27 16:22:13,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:13, skipping insertion in model container [2019-11-27 16:22:13,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:13" (1/1) ... [2019-11-27 16:22:13,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:13,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:14,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:14,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:14,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:14,502 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:14,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14 WrapperNode [2019-11-27 16:22:14,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:14,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:14,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:14,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:14,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:14,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:14,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:14,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:14,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:14" (1/1) ... [2019-11-27 16:22:14,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:14,756 INFO L168 Benchmark]: Toolchain (without parser) took 1223.00 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:14,771 INFO L168 Benchmark]: CDTParser took 2.86 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 16:22:14,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.87 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:14,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:14,778 INFO L168 Benchmark]: Boogie Preprocessor took 83.59 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:14,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.86 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 977.87 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.59 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:22:18,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:18,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:18,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:18,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:18,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:18,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:18,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:18,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:18,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:18,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:18,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:18,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:18,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:18,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:18,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:18,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:18,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:18,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:18,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:18,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:18,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:18,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:18,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:18,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:18,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:18,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:18,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:18,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:18,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:18,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:18,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:18,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:18,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:18,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:18,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:18,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:18,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:18,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:18,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:18,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:18,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:18,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:18,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:18,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:18,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:18,887 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:18,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:18,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:18,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:18,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:18,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:18,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:18,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:18,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:18,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:18,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:18,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:18,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:18,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:18,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:18,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:18,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:18,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:18,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:18,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:18,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:18,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:18,907 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:18,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:18,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:18,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:18,912 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 -> d321e3b1b642bcfc9c94c4888bd187898cb1af58 [2019-11-27 16:22:19,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:19,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:19,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:19,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:19,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:19,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-27 16:22:19,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfe76da5/e29e18d38d4d45329e2e3e8f717278c8/FLAGf87df9795 [2019-11-27 16:22:20,817 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:20,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-27 16:22:20,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfe76da5/e29e18d38d4d45329e2e3e8f717278c8/FLAGf87df9795 [2019-11-27 16:22:20,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfe76da5/e29e18d38d4d45329e2e3e8f717278c8 [2019-11-27 16:22:20,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:20,944 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:20,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:20,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:20,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:20,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:20" (1/1) ... [2019-11-27 16:22:20,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:20, skipping insertion in model container [2019-11-27 16:22:20,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:20" (1/1) ... [2019-11-27 16:22:20,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:21,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:21,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:21,682 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:21,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:21,880 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:21,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21 WrapperNode [2019-11-27 16:22:21,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:21,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:21,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:21,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:21,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:21,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:22,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:22,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:22,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:22,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:21" (1/1) ... [2019-11-27 16:22:22,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:22,122 INFO L168 Benchmark]: Toolchain (without parser) took 1173.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 984.2 MB in the end (delta: -15.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:22,126 INFO L168 Benchmark]: CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:22,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:22,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.77 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:22,132 INFO L168 Benchmark]: Boogie Preprocessor took 96.10 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:22,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.69 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 936.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.77 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.10 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...