./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/test27-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e697b26a33773e62711271acc7c4dca91991203b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test27-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e697b26a33773e62711271acc7c4dca91991203b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:03,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:03,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:03,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:03,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:03,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:03,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:03,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:03,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:03,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:03,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:03,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:03,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:03,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:03,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:03,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:03,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:03,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:03,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:03,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:03,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:03,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:03,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:03,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:03,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:03,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:03,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:03,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:03,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:03,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:03,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:03,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:03,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:03,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:03,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:03,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:03,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:03,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:03,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:03,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:03,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:03,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:03,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:03,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:03,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:03,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:03,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:03,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:03,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:03,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:03,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:03,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:03,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:03,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:03,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:03,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:03,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:03,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:03,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:03,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:03,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:03,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:03,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:03,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:03,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:03,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:03,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:03,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:03,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:03,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:03,572 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 -> e697b26a33773e62711271acc7c4dca91991203b [2019-11-25 22:54:04,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:04,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:04,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:04,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:04,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:04,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-25 22:54:04,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb75e09c/5cf414443092434696d4791563a048c7/FLAGaf50cf154 [2019-11-25 22:54:04,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:04,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-25 22:54:04,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb75e09c/5cf414443092434696d4791563a048c7/FLAGaf50cf154 [2019-11-25 22:54:05,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbb75e09c/5cf414443092434696d4791563a048c7 [2019-11-25 22:54:05,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:05,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:05,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:05,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:05,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:05,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,283 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 25.11 10:54:05, skipping insertion in model container [2019-11-25 22:54:05,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:05,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:05,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:05,716 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:05,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:05,862 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:05,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05 WrapperNode [2019-11-25 22:54:05,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:05,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:05,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:05,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:05,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:05,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:05,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:05,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:05,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:05,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:06,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:06,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:05" (1/1) ... [2019-11-25 22:54:06,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:06,018 INFO L168 Benchmark]: Toolchain (without parser) took 747.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:06,031 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-25 22:54:06,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:06,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:06,039 INFO L168 Benchmark]: Boogie Preprocessor took 63.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:06,048 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 597.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 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 0.1.24-65d6cd2 [2019-11-25 22:54:08,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:08,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:08,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:08,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:08,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:08,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:08,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:08,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:08,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:08,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:08,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:08,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:08,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:08,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:08,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:08,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:08,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:08,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:08,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:08,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:08,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:08,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:08,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:08,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:08,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:08,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:08,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:08,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:08,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:08,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:08,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:08,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:08,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:08,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:08,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:08,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:08,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:08,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:08,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:08,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:08,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:09,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:09,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:09,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:09,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:09,034 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:09,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:09,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:09,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:09,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:09,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:09,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:09,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:09,036 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:09,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:09,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:09,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:09,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:09,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:09,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:09,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:09,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:09,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:09,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:09,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:09,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:09,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:09,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:09,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:09,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:09,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:09,045 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 -> e697b26a33773e62711271acc7c4dca91991203b [2019-11-25 22:54:09,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:09,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:09,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:09,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:09,568 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:09,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-25 22:54:09,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69cc08ed4/5eb7138b9f584eb48fef6456b75e165d/FLAG5ace8a0c4 [2019-11-25 22:54:10,377 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:10,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2019-11-25 22:54:10,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69cc08ed4/5eb7138b9f584eb48fef6456b75e165d/FLAG5ace8a0c4 [2019-11-25 22:54:10,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69cc08ed4/5eb7138b9f584eb48fef6456b75e165d [2019-11-25 22:54:10,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:10,709 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:10,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:10,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:10,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:10,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc6132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:10, skipping insertion in model container [2019-11-25 22:54:10,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:10,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:11,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,132 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:11,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,274 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:11,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11 WrapperNode [2019-11-25 22:54:11,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:11,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:11,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:11,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:11,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:11,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11" (1/1) ... [2019-11-25 22:54:11,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,416 INFO L168 Benchmark]: Toolchain (without parser) took 705.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:11,417 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-25 22:54:11,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:11,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:11,421 INFO L168 Benchmark]: Boogie Preprocessor took 66.22 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:11,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 564.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.22 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 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...