./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/test20.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 f10ebf4f7e674b3b7b46a17b881a1ff501d9eeae ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test20.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 f10ebf4f7e674b3b7b46a17b881a1ff501d9eeae .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:43,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:43,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:43,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:43,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:43,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:43,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:43,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:43,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:43,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:43,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:43,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:43,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:43,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:43,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:43,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:43,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:43,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:43,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:43,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:43,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:43,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:43,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:43,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:43,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:43,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:43,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:43,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:43,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:43,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:43,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:43,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:43,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:43,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:43,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:43,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:43,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:43,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:43,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:43,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:43,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:43,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:44,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:44,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:44,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:44,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:44,025 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:44,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:44,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:44,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:44,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:44,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:44,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:44,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:44,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:44,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:44,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:44,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:44,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:44,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:44,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:44,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:44,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:44,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:44,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:44,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:44,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:44,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:44,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:44,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:44,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:44,037 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 -> f10ebf4f7e674b3b7b46a17b881a1ff501d9eeae [2019-11-24 21:07:44,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:44,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:44,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:44,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:44,516 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:44,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test20.c [2019-11-24 21:07:44,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba328744e/915cdb7c9b4d4fda937943cf0980c7a3/FLAGf5beed80a [2019-11-24 21:07:45,341 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:45,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test20.c [2019-11-24 21:07:45,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba328744e/915cdb7c9b4d4fda937943cf0980c7a3/FLAGf5beed80a [2019-11-24 21:07:45,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba328744e/915cdb7c9b4d4fda937943cf0980c7a3 [2019-11-24 21:07:45,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:45,673 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:45,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:45,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:45,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:45,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:45" (1/1) ... [2019-11-24 21:07:45,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32860488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:45, skipping insertion in model container [2019-11-24 21:07:45,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:45" (1/1) ... [2019-11-24 21:07:45,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:45,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:46,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,020 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:46,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:46,064 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:46,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46 WrapperNode [2019-11-24 21:07:46,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:46,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:46,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:46,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:46,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:46,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:46,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:46" (1/1) ... [2019-11-24 21:07:46,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:46,211 INFO L168 Benchmark]: Toolchain (without parser) took 536.36 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:46,213 INFO L168 Benchmark]: CDTParser took 0.98 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. [2019-11-24 21:07:46,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.60 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. [2019-11-24 21:07:46,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.47 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 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:46,232 INFO L168 Benchmark]: Boogie Preprocessor took 21.11 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. [2019-11-24 21:07:46,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 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 393.60 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 109.47 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 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.11 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:48,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:48,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:48,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:48,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:48,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:48,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:48,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:48,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:48,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:48,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:48,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:49,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:49,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:49,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:49,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:49,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:49,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:49,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:49,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:49,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:49,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:49,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:49,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:49,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:49,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:49,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:49,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:49,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:49,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:49,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:49,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:49,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:49,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:49,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:49,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:49,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:49,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:49,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:49,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:49,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:49,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:49,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:49,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:49,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:49,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:49,109 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:49,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:49,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:49,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:49,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:49,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:49,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:49,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:49,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:49,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:49,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:49,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:49,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:49,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:49,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:49,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:49,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:49,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:49,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:49,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:49,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:49,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:49,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:49,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:49,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:49,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:49,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:49,127 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 -> f10ebf4f7e674b3b7b46a17b881a1ff501d9eeae [2019-11-24 21:07:49,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:49,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:49,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:49,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:49,725 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:49,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test20.c [2019-11-24 21:07:49,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36756c72/5984dcb0dfc1484b9054a270c8c3aa2f/FLAGa1812025b [2019-11-24 21:07:50,566 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:50,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test20.c [2019-11-24 21:07:50,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36756c72/5984dcb0dfc1484b9054a270c8c3aa2f/FLAGa1812025b [2019-11-24 21:07:50,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36756c72/5984dcb0dfc1484b9054a270c8c3aa2f [2019-11-24 21:07:50,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:50,930 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:50,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:50,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:50,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:50,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:50" (1/1) ... [2019-11-24 21:07:50,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261d5b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:50, skipping insertion in model container [2019-11-24 21:07:50,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:50" (1/1) ... [2019-11-24 21:07:50,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:50,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:51,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:51,305 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:51,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:51,359 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:51,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51 WrapperNode [2019-11-24 21:07:51,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:51,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:51,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:51,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:51,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:51,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:51,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:51,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:51,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:51" (1/1) ... [2019-11-24 21:07:51,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:51,499 INFO L168 Benchmark]: Toolchain (without parser) took 566.66 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:51,501 INFO L168 Benchmark]: CDTParser took 0.87 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. [2019-11-24 21:07:51,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.99 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. [2019-11-24 21:07:51,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.16 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:51,522 INFO L168 Benchmark]: Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:51,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 425.99 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 105.16 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...