./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 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/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 0.1.24-025d5a2 [2019-11-26 17:12:42,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:42,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:42,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:42,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:42,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:42,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:42,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:42,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:42,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:42,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:42,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:42,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:42,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:42,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:42,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:42,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:42,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:42,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:42,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:42,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:42,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:42,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:42,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:42,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:42,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:42,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:42,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:42,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:42,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:42,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:42,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:42,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:42,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:42,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:42,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:42,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:42,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:42,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:42,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:42,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:42,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:42,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:42,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:42,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:42,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:42,697 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:42,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:42,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:42,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:42,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:42,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:42,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:42,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:42,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:42,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:42,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:42,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:42,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:42,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:42,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:42,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:42,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:42,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:42,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:42,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:42,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:42,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:42,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:42,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:42,712 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 [2019-11-26 17:12:43,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:43,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:43,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:43,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:43,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:43,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-26 17:12:43,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8eb09a7/e664802974a5406e9a093fe5b671fb67/FLAG8848ee8d7 [2019-11-26 17:12:44,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:44,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-26 17:12:44,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8eb09a7/e664802974a5406e9a093fe5b671fb67/FLAG8848ee8d7 [2019-11-26 17:12:44,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8eb09a7/e664802974a5406e9a093fe5b671fb67 [2019-11-26 17:12:44,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:44,632 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:44,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:44,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:44,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:44,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fae4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:44, skipping insertion in model container [2019-11-26 17:12:44,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:44,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:45,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:45,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:45,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:45,567 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:45,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45 WrapperNode [2019-11-26 17:12:45,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:45,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:45,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:45,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:45,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:45,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:45,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:45,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:45,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45" (1/1) ... [2019-11-26 17:12:45,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:45,795 INFO L168 Benchmark]: Toolchain (without parser) took 1155.54 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 984.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:45,796 INFO L168 Benchmark]: CDTParser took 1.49 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 17:12:45,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.99 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. [2019-11-26 17:12:45,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.81 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. [2019-11-26 17:12:45,816 INFO L168 Benchmark]: Boogie Preprocessor took 80.10 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:45,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49 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 930.99 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 127.81 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 80.10 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.1 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 0.1.24-025d5a2 [2019-11-26 17:12:49,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:49,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:49,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:49,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:49,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:49,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:49,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:49,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:49,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:49,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:49,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:49,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:49,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:49,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:49,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:49,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:49,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:49,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:49,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:49,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:49,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:49,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:49,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:49,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:49,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:49,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:49,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:49,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:49,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:49,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:49,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:49,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:49,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:49,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:49,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:49,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:49,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:49,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:49,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:49,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:49,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:49,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:49,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:49,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:49,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:49,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:49,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:49,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:49,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:49,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:49,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:49,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:49,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:49,910 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:49,910 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:49,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:49,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:49,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:49,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:49,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:49,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:49,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:49,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:49,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:49,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:49,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:49,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:49,919 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:49,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:49,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:49,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:49,921 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 [2019-11-26 17:12:50,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:50,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:50,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:50,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:50,512 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:50,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-26 17:12:50,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e4148ae/2bc40b626dae4acca284635e68091dd1/FLAG49995211b [2019-11-26 17:12:51,693 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:51,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-1.c [2019-11-26 17:12:51,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e4148ae/2bc40b626dae4acca284635e68091dd1/FLAG49995211b [2019-11-26 17:12:51,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e4148ae/2bc40b626dae4acca284635e68091dd1 [2019-11-26 17:12:51,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:51,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:51,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:51,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:51,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:51,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,859 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 26.11 05:12:51, skipping insertion in model container [2019-11-26 17:12:51,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:51" (1/1) ... [2019-11-26 17:12:51,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:51,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:52,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:52,490 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:52,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:52,720 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:52,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52 WrapperNode [2019-11-26 17:12:52,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:52,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:52,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:52,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:52,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:52,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:52,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:52,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:52,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:53,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:53,014 INFO L168 Benchmark]: Toolchain (without parser) took 1174.02 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. [2019-11-26 17:12:53,023 INFO L168 Benchmark]: CDTParser took 0.39 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 17:12:53,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.83 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. [2019-11-26 17:12:53,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.53 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. [2019-11-26 17:12:53,029 INFO L168 Benchmark]: Boogie Preprocessor took 120.42 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. [2019-11-26 17:12:53,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 882.83 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 155.53 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 120.42 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...