./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test30-2.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/ldv-regression/test30-2.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 dbf4229fc71e086a20df7dc549a8cc43d35a83d5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test30-2.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 dbf4229fc71e086a20df7dc549a8cc43d35a83d5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:11:00,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:00,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:00,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:00,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:00,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:00,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:00,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:00,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:00,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:00,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:00,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:00,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:00,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:00,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:00,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:00,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:00,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:00,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:00,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:00,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:00,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:00,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:00,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:00,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:00,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:00,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:00,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:00,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:00,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:00,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:00,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:00,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:00,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:00,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:00,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:00,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:00,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:00,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:00,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:00,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:00,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:00,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:00,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:00,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:00,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:00,868 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:00,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:00,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:00,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:00,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:00,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:00,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:00,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:00,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:00,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:00,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:00,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:00,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:00,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:00,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:00,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:00,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:00,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:00,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:00,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:00,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:00,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:00,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:00,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:00,882 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 -> dbf4229fc71e086a20df7dc549a8cc43d35a83d5 [2019-11-27 16:11:01,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:01,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:01,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:01,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:01,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:01,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test30-2.c [2019-11-27 16:11:01,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6579aaa1/fb71dc4854964772ab0d7da3426df739/FLAG2785a73bd [2019-11-27 16:11:02,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:02,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-2.c [2019-11-27 16:11:02,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6579aaa1/fb71dc4854964772ab0d7da3426df739/FLAG2785a73bd [2019-11-27 16:11:02,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6579aaa1/fb71dc4854964772ab0d7da3426df739 [2019-11-27 16:11:02,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:02,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:02,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:02,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:02,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:02,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02, skipping insertion in model container [2019-11-27 16:11:02,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:02,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:03,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:03,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:03,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:03,441 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:03,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03 WrapperNode [2019-11-27 16:11:03,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:03,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:03,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:03,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:03,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:03,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:03,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:03,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:03,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:03,711 INFO L168 Benchmark]: Toolchain (without parser) took 887.64 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: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:03,712 INFO L168 Benchmark]: CDTParser took 2.71 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 16:11:03,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.43 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:03,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:03,735 INFO L168 Benchmark]: Boogie Preprocessor took 77.95 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 16:11:03,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.71 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 621.43 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.3 MB in the end (delta: -36.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.95 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. 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 16:11:07,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:07,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:07,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:07,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:07,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:07,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:07,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:07,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:07,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:07,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:07,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:07,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:07,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:07,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:07,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:07,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:07,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:07,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:07,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:07,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:07,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:07,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:07,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:07,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:07,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:07,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:07,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:07,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:07,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:07,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:07,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:07,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:07,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:07,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:07,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:07,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:07,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:07,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:07,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:07,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:07,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:07,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:07,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:07,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:07,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:07,744 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:07,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:07,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:07,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:07,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:07,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:07,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:07,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:07,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:07,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:07,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:07,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:07,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:07,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:07,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:07,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:07,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:07,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:07,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:07,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:07,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:07,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:07,759 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:07,759 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:07,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:07,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:07,761 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 -> dbf4229fc71e086a20df7dc549a8cc43d35a83d5 [2019-11-27 16:11:08,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:08,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:08,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:08,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:08,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:08,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test30-2.c [2019-11-27 16:11:08,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306d8d58f/3716356a7ecc45898e30869967c1305a/FLAG3bc955a3e [2019-11-27 16:11:09,504 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:09,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-2.c [2019-11-27 16:11:09,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306d8d58f/3716356a7ecc45898e30869967c1305a/FLAG3bc955a3e [2019-11-27 16:11:09,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306d8d58f/3716356a7ecc45898e30869967c1305a [2019-11-27 16:11:09,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:09,719 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:09,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:09,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:09,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:09,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,744 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 04:11:09, skipping insertion in model container [2019-11-27 16:11:09,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:09,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:10,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:10,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:10,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:10,415 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:10,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10 WrapperNode [2019-11-27 16:11:10,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:10,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:10,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:10,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:10,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:10,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:10,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:10,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:10,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:10" (1/1) ... [2019-11-27 16:11:10,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:10,704 INFO L168 Benchmark]: Toolchain (without parser) took 968.11 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:10,707 INFO L168 Benchmark]: CDTParser took 0.47 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 16:11:10,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:10,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:10,717 INFO L168 Benchmark]: Boogie Preprocessor took 74.16 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:10,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 694.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.16 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...