./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/count_up_down-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/loops/count_up_down-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 d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loops/count_up_down-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 d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:12:23,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:23,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:23,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:23,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:23,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:23,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:23,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:24,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:24,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:24,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:24,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:24,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:24,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:24,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:24,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:24,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:24,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:24,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:24,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:24,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:24,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:24,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:24,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:24,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:24,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:24,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:24,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:24,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:24,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:24,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:24,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:24,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:24,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:24,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:24,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:24,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:24,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:24,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:24,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:24,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:24,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:24,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:24,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:24,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:24,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:24,110 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:24,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:24,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:24,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:24,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:24,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:24,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:24,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:24,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:24,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:24,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:24,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:24,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:24,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:24,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:24,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:24,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:24,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:24,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:24,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:24,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:24,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:24,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:24,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:24,119 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 -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-27 16:12:24,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:24,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:24,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:24,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:24,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:24,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 16:12:24,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/408dfeae7/d7e974e15b164aae964771dc921d3a9a/FLAG7b9b9c102 [2019-11-27 16:12:25,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:25,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 16:12:25,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/408dfeae7/d7e974e15b164aae964771dc921d3a9a/FLAG7b9b9c102 [2019-11-27 16:12:25,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/408dfeae7/d7e974e15b164aae964771dc921d3a9a [2019-11-27 16:12:25,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:25,676 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:25,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:25,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:25,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:25,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:25" (1/1) ... [2019-11-27 16:12:25,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:25, skipping insertion in model container [2019-11-27 16:12:25,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:25" (1/1) ... [2019-11-27 16:12:25,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:25,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:26,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:26,059 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:26,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:26,116 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:26,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26 WrapperNode [2019-11-27 16:12:26,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:26,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:26,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:26,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:26,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:26,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:26,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:26,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:26,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:26" (1/1) ... [2019-11-27 16:12:26,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:26,289 INFO L168 Benchmark]: Toolchain (without parser) took 596.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 995.4 MB in the end (delta: -33.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:26,291 INFO L168 Benchmark]: CDTParser took 0.22 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 16:12:26,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.43 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 16:12:26,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.27 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 995.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:26,296 INFO L168 Benchmark]: Boogie Preprocessor took 23.99 ms. Allocated memory is still 1.0 GB. Free memory is still 995.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:26,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 436.43 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 127.27 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 995.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 23.99 ms. Allocated memory is still 1.0 GB. Free memory is still 995.4 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 16:12:28,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:29,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:29,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:29,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:29,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:29,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:29,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:29,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:29,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:29,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:29,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:29,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:29,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:29,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:29,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:29,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:29,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:29,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:29,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:29,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:29,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:29,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:29,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:29,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:29,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:29,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:29,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:29,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:29,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:29,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:29,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:29,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:29,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:29,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:29,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:29,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:29,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:29,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:29,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:29,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:29,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:29,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:29,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:29,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:29,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:29,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:29,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:29,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:29,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:29,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:29,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:29,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:29,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:29,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:29,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:29,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:29,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:29,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:29,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:29,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:29,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:29,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:29,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:29,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:29,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:29,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:29,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:29,172 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:29,172 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:29,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:29,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:29,174 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 -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2019-11-27 16:12:29,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:29,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:29,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:29,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:29,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:29,664 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 16:12:29,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9fa82ea/2792e11c79674df4905d04ed939ca885/FLAG9bac75696 [2019-11-27 16:12:30,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:30,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/count_up_down-2.c [2019-11-27 16:12:30,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9fa82ea/2792e11c79674df4905d04ed939ca885/FLAG9bac75696 [2019-11-27 16:12:30,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9fa82ea/2792e11c79674df4905d04ed939ca885 [2019-11-27 16:12:30,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:30,814 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:30,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:30,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:30,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:30,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:30, skipping insertion in model container [2019-11-27 16:12:30,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:30" (1/1) ... [2019-11-27 16:12:30,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:30,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:31,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:31,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:31,186 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:31,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31 WrapperNode [2019-11-27 16:12:31,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:31,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:31,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:31,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:31,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:31,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:31,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:31,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:31" (1/1) ... [2019-11-27 16:12:31,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:31,331 INFO L168 Benchmark]: Toolchain (without parser) took 501.11 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:31,334 INFO L168 Benchmark]: CDTParser took 0.32 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 16:12:31,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.12 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 16:12:31,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.45 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:31,338 INFO L168 Benchmark]: Boogie Preprocessor took 22.51 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:31,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 369.12 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 98.45 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 22.51 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...