./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.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_1.cil-2.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 aa63abe8d244d72d8b78f82e911235dbe511cfc8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1.cil-2.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 aa63abe8d244d72d8b78f82e911235dbe511cfc8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:12:42,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:42,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:42,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:42,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:42,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:42,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:42,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:42,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:42,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:42,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:42,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:42,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:42,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:42,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:42,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:42,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:42,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:42,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:42,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:42,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:42,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:42,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:42,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:42,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:42,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:42,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:42,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:42,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:42,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:42,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:42,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:42,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:42,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:42,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:42,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:42,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:42,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:42,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:42,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:42,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:42,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:42,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:42,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:42,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:42,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:42,752 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:42,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:42,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:42,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:42,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:42,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:42,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:42,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:42,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:42,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:42,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:42,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:42,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:42,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:42,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:42,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:42,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:42,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:42,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:42,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:42,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:42,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:42,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:42,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:42,770 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 -> aa63abe8d244d72d8b78f82e911235dbe511cfc8 [2019-11-26 17:12:43,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:43,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:43,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:43,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:43,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:43,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2019-11-26 17:12:43,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac5a4e466/9e84a94ace894e8584b5e77229d84bd7/FLAG16b02e8fa [2019-11-26 17:12:44,639 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:44,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2019-11-26 17:12:44,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac5a4e466/9e84a94ace894e8584b5e77229d84bd7/FLAG16b02e8fa [2019-11-26 17:12:44,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac5a4e466/9e84a94ace894e8584b5e77229d84bd7 [2019-11-26 17:12:44,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:44,716 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:44,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:44,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:44,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:44,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,739 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 26.11 05:12:44, skipping insertion in model container [2019-11-26 17:12:44,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:44" (1/1) ... [2019-11-26 17:12:44,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:44,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:45,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:45,405 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:45,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:45,647 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:45,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:45 WrapperNode [2019-11-26 17:12:45,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:45,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:45,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:45,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:45,667 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 17:12:45,678 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 17:12:45,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:45,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:45,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:45,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:45,778 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 17:12:45,778 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 17:12:45,795 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 17:12:45,796 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 17:12:45,811 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 17:12:45,834 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 17:12:45,841 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 17:12:45,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:45,868 INFO L168 Benchmark]: Toolchain (without parser) took 1136.55 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 17:12:45,873 INFO L168 Benchmark]: CDTParser took 0.36 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 17:12:45,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.15 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:45,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.13 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:45,884 INFO L168 Benchmark]: Boogie Preprocessor took 83.58 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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 17:12:45,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 931.15 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.13 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.58 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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 0.1.24-025d5a2 [2019-11-26 17:12:49,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:49,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:49,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:49,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:49,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:49,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:49,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:49,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:49,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:49,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:49,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:49,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:49,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:49,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:49,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:49,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:49,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:49,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:49,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:49,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:49,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:49,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:49,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:49,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:49,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:49,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:49,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:49,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:49,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:49,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:49,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:49,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:49,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:49,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:49,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:49,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:49,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:49,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:49,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:50,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:50,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:50,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:50,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:50,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:50,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:50,052 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:50,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:50,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:50,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:50,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:50,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:50,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:50,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:50,059 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:50,059 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:50,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:50,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:50,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:50,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:50,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:50,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:50,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:50,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:50,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:50,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:50,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:50,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:50,066 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:50,066 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:50,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:50,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:50,071 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 -> aa63abe8d244d72d8b78f82e911235dbe511cfc8 [2019-11-26 17:12:50,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:50,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:50,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:50,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:50,641 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:50,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2019-11-26 17:12:50,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b3f50c8/6aba7ed5d1cf4c969d995bdfcedd529b/FLAGbb642ba01 [2019-11-26 17:12:51,854 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:51,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2019-11-26 17:12:51,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b3f50c8/6aba7ed5d1cf4c969d995bdfcedd529b/FLAGbb642ba01 [2019-11-26 17:12:52,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b3f50c8/6aba7ed5d1cf4c969d995bdfcedd529b [2019-11-26 17:12:52,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:52,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:52,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:52,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:52,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:52,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52, skipping insertion in model container [2019-11-26 17:12:52,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:52" (1/1) ... [2019-11-26 17:12:52,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:52,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:52,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:52,658 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:52,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:52,872 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:52,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:52 WrapperNode [2019-11-26 17:12:52,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:52,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:52,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:52,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:52,888 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 17:12:52,901 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 17:12:52,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:52,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:52,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:52,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:52,996 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 17:12:52,996 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 17:12:53,015 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 17:12:53,015 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 17:12:53,049 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 17:12:53,071 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 17:12:53,078 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 17:12:53,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:53,105 INFO L168 Benchmark]: Toolchain (without parser) took 1070.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:53,111 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 17:12:53,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:53,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.74 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 17:12:53,120 INFO L168 Benchmark]: Boogie Preprocessor took 101.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:53,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 851.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.74 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 101.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 984.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...