./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/ps2.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 08b118cfc5ed15a7af497a71835167b40ccdb413 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/ps2.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 08b118cfc5ed15a7af497a71835167b40ccdb413 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:14:42,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:42,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:43,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:43,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:43,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:43,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:43,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:43,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:43,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:43,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:43,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:43,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:43,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:43,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:43,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:43,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:43,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:43,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:43,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:43,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:43,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:43,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:43,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:43,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:43,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:43,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:43,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:43,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:43,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:43,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:43,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:43,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:43,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:43,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:43,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:43,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:43,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:43,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:43,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:43,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:43,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:43,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:43,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:43,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:43,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:43,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:43,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:43,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:43,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:43,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:43,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:43,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:43,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:43,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:43,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:43,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:43,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:43,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:43,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:43,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:43,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:43,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:43,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:43,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:43,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:43,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:43,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:43,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:43,247 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 -> 08b118cfc5ed15a7af497a71835167b40ccdb413 [2019-11-27 16:14:43,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:43,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:43,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:43,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:43,884 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:43,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps2.c [2019-11-27 16:14:44,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f369c01/7e97e6f1d2564172a67f63c4cab1dc1a/FLAG0259346da [2019-11-27 16:14:45,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:45,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps2.c [2019-11-27 16:14:45,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f369c01/7e97e6f1d2564172a67f63c4cab1dc1a/FLAG0259346da [2019-11-27 16:14:45,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f369c01/7e97e6f1d2564172a67f63c4cab1dc1a [2019-11-27 16:14:45,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:45,233 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:45,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:45,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:45,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:45,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:45,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45, skipping insertion in model container [2019-11-27 16:14:45,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:45,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:45,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:45,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:45,811 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:45,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:45,904 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:45,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45 WrapperNode [2019-11-27 16:14:45,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:45,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:45,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:45,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:45,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:45,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:46,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:46,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:46,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:46,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:45" (1/1) ... [2019-11-27 16:14:46,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:46,175 INFO L168 Benchmark]: Toolchain (without parser) took 934.01 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 991.0 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:46,179 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:46,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:46,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:46,193 INFO L168 Benchmark]: Boogie Preprocessor took 62.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:46,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 669.87 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 191.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.85 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:14:50,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:50,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:50,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:50,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:50,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:50,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:50,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:50,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:50,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:50,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:50,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:50,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:50,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:50,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:50,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:50,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:50,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:50,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:50,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:50,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:50,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:50,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:50,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:50,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:50,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:50,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:50,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:50,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:50,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:50,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:50,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:50,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:50,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:50,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:50,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:50,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:50,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:50,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:50,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:50,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:50,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:50,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:50,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:50,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:50,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:50,397 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:50,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:50,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:50,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:50,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:50,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:50,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:50,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:50,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:50,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:50,405 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:50,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:50,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:50,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:50,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:50,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:50,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:50,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:50,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:50,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:50,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:50,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:50,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:50,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:50,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:50,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:50,415 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 -> 08b118cfc5ed15a7af497a71835167b40ccdb413 [2019-11-27 16:14:51,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:51,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:51,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:51,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:51,088 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:51,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps2.c [2019-11-27 16:14:51,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a316599d/ea6ac66e1a2848a7bdf67f9e08f9516b/FLAG03151b2ce [2019-11-27 16:14:52,339 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:52,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps2.c [2019-11-27 16:14:52,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a316599d/ea6ac66e1a2848a7bdf67f9e08f9516b/FLAG03151b2ce [2019-11-27 16:14:52,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a316599d/ea6ac66e1a2848a7bdf67f9e08f9516b [2019-11-27 16:14:52,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:52,413 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:52,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:52,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:52,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:52,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:52" (1/1) ... [2019-11-27 16:14:52,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:52, skipping insertion in model container [2019-11-27 16:14:52,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:52" (1/1) ... [2019-11-27 16:14:52,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:52,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:52,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:53,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:53,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:53,081 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:53,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53 WrapperNode [2019-11-27 16:14:53,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:53,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:53,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:53,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:53,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:53,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:53,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:53,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:53,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:53" (1/1) ... [2019-11-27 16:14:53,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:53,320 INFO L168 Benchmark]: Toolchain (without parser) took 903.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:53,322 INFO L168 Benchmark]: CDTParser took 1.87 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:53,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.07 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:53,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:53,336 INFO L168 Benchmark]: Boogie Preprocessor took 52.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:53,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87 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 666.07 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 169.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.97 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...