./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test23-2.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/test23-2.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 308e43cca528a064aecd41d099b341627e43bb71 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test23-2.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 308e43cca528a064aecd41d099b341627e43bb71 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:54:00,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:00,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:01,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:01,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:01,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:01,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:01,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:01,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:01,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:01,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:01,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:01,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:01,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:01,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:01,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:01,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:01,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:01,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:01,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:01,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:01,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:01,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:01,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:01,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:01,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:01,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:01,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:01,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:01,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:01,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:01,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:01,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:01,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:01,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:01,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:01,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:01,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:01,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:01,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:01,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:01,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:01,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:01,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:01,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:01,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:01,220 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:01,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:01,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:01,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:01,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:01,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:01,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:01,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:01,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:01,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:01,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:01,226 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:01,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:01,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:01,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:01,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:01,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:01,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:01,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:01,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:01,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:01,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:01,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:01,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:01,242 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 -> 308e43cca528a064aecd41d099b341627e43bb71 [2019-11-25 22:54:01,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:01,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:01,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:01,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:01,903 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:01,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test23-2.c [2019-11-25 22:54:02,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b8dd9e6/95092671443c4a9cb1dfd665f9b3cba0/FLAG03cbbc3eb [2019-11-25 22:54:03,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:03,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test23-2.c [2019-11-25 22:54:03,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b8dd9e6/95092671443c4a9cb1dfd665f9b3cba0/FLAG03cbbc3eb [2019-11-25 22:54:03,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b8dd9e6/95092671443c4a9cb1dfd665f9b3cba0 [2019-11-25 22:54:03,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:03,197 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:03,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:03,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:03,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:03,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:03" (1/1) ... [2019-11-25 22:54:03,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5631c532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:03, skipping insertion in model container [2019-11-25 22:54:03,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:03" (1/1) ... [2019-11-25 22:54:03,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:03,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:03,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:03,836 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:04,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:04,097 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:04,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04 WrapperNode [2019-11-25 22:54:04,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:04,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:04,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:04,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:04,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:04,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:04,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:04,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:04,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:04" (1/1) ... [2019-11-25 22:54:04,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:04,349 INFO L168 Benchmark]: Toolchain (without parser) took 1144.31 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. [2019-11-25 22:54:04,353 INFO L168 Benchmark]: CDTParser took 0.48 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 22:54:04,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.39 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:04,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:04,365 INFO L168 Benchmark]: Boogie Preprocessor took 110.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:04,373 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 898.39 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). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.77 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.63 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:08,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:08,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:08,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:08,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:08,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:08,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:08,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:08,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:08,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:08,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:08,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:08,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:08,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:08,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:08,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:08,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:08,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:08,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:08,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:08,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:08,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:08,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:08,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:08,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:08,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:08,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:08,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:08,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:08,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:08,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:08,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:08,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:08,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:08,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:08,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:08,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:08,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:08,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:08,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:08,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:08,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:08,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:08,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:08,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:08,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:08,441 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:08,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:08,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:08,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:08,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:08,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:08,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:08,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:08,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:08,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:08,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:08,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:08,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:08,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:08,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:08,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:08,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:08,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:08,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:08,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:08,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:08,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:08,456 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:08,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:08,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:08,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:08,461 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 -> 308e43cca528a064aecd41d099b341627e43bb71 [2019-11-25 22:54:09,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:09,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:09,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:09,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:09,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:09,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test23-2.c [2019-11-25 22:54:09,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e78cf9/9e7e65908b9744ae82d277b4c9516cb4/FLAG7109978b3 [2019-11-25 22:54:10,336 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:10,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test23-2.c [2019-11-25 22:54:10,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e78cf9/9e7e65908b9744ae82d277b4c9516cb4/FLAG7109978b3 [2019-11-25 22:54:10,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e78cf9/9e7e65908b9744ae82d277b4c9516cb4 [2019-11-25 22:54:10,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:10,516 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:10,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:10,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:10,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:10,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82f13ab 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 22:54:10,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:10" (1/1) ... [2019-11-25 22:54:10,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:10,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:11,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,166 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:11,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:11,376 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:11,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:11 WrapperNode [2019-11-25 22:54:11,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:11,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:11,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:11,406 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 22:54:11,435 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 22:54:11,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:11,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:11,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:11,505 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 22:54:11,506 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 22:54:11,528 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 22:54:11,529 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 22:54:11,551 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 22:54:11,564 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 22:54:11,571 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 22:54:11,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:11,588 INFO L168 Benchmark]: Toolchain (without parser) took 1066.15 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 985.3 MB in the end (delta: -17.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:11,591 INFO L168 Benchmark]: CDTParser took 2.61 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. [2019-11-25 22:54:11,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:11,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.41 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:11,598 INFO L168 Benchmark]: Boogie Preprocessor took 84.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 985.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:11,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 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 859.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.41 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.47 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 985.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...