./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/test_while_int.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test_while_int.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:16,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:16,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:16,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:16,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:16,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:16,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:16,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:16,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:16,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:16,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:16,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:16,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:16,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:16,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:16,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:17,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:17,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:17,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:17,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:17,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:17,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:17,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:17,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:17,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:17,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:17,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:17,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:17,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:17,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:17,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:17,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:17,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:17,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:17,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:17,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:17,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:17,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:17,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:17,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:17,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:17,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:17,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:17,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:17,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:17,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:17,135 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:17,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:17,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:17,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:17,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:17,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:17,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:17,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:17,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:17,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:17,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:17,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:17,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:17,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:17,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:17,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:17,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:17,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:17,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:17,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:17,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:17,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:17,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:17,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:17,153 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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-27 09:49:17,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:17,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:17,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:17,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:17,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:17,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-27 09:49:17,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c112588e/49b64dbf360f44329de56004e8431543/FLAGb7f0ebf9d [2019-11-27 09:49:18,853 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:18,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-27 09:49:18,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c112588e/49b64dbf360f44329de56004e8431543/FLAGb7f0ebf9d [2019-11-27 09:49:19,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c112588e/49b64dbf360f44329de56004e8431543 [2019-11-27 09:49:19,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:19,036 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:19,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:19,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:19,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:19,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b733779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19, skipping insertion in model container [2019-11-27 09:49:19,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:19,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:19,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:19,551 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:19,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:19,623 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:19,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19 WrapperNode [2019-11-27 09:49:19,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:19,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:19,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:19,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:19,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:19,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:19,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:19,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:19,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:19" (1/1) ... [2019-11-27 09:49:19,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:19,857 INFO L168 Benchmark]: Toolchain (without parser) took 818.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:19,859 INFO L168 Benchmark]: CDTParser took 0.43 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 09:49:19,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 954.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:19,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.76 ms. Allocated memory is still 1.0 GB. Free memory is still 954.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:19,871 INFO L168 Benchmark]: Boogie Preprocessor took 137.74 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 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:19,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 589.28 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 954.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.76 ms. Allocated memory is still 1.0 GB. Free memory is still 954.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 137.74 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 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 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-da95e15 [2019-11-27 09:49:23,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:23,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:23,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:23,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:23,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:23,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:23,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:23,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:23,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:23,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:23,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:23,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:23,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:23,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:23,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:23,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:23,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:23,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:23,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:23,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:23,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:23,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:23,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:23,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:23,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:23,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:23,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:23,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:23,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:23,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:23,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:24,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:24,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:24,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:24,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:24,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:24,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:24,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:24,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:24,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:24,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:24,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:24,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:24,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:24,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:24,056 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:24,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:24,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:24,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:24,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:24,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:24,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:24,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:24,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:24,062 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:24,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:24,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:24,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:24,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:24,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:24,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:24,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:24,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:24,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:24,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:24,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:24,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:24,071 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:24,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:24,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:24,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:24,075 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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-27 09:49:24,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:24,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:24,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:24,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:24,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:24,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-27 09:49:24,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dd1462d/8c14394b19e342b8ae3c65268dee5610/FLAGfa3fb3c28 [2019-11-27 09:49:25,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:25,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-27 09:49:25,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dd1462d/8c14394b19e342b8ae3c65268dee5610/FLAGfa3fb3c28 [2019-11-27 09:49:25,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dd1462d/8c14394b19e342b8ae3c65268dee5610 [2019-11-27 09:49:25,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:25,975 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:25,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:25,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:25,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:25,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:25" (1/1) ... [2019-11-27 09:49:25,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:25, skipping insertion in model container [2019-11-27 09:49:25,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:25" (1/1) ... [2019-11-27 09:49:26,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:26,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:26,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:26,476 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:26,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:26,545 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:26,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26 WrapperNode [2019-11-27 09:49:26,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:26,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:26,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:26,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:26,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:26,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:26,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:26,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:26,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:26" (1/1) ... [2019-11-27 09:49:26,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:26,768 INFO L168 Benchmark]: Toolchain (without parser) took 790.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:26,769 INFO L168 Benchmark]: CDTParser took 1.48 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 09:49:26,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.73 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:26,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:26,783 INFO L168 Benchmark]: Boogie Preprocessor took 59.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:26,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 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 570.73 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 146.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...