./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps4.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/nla-digbench/ps4.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 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ps4.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 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:11:37,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:37,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:37,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:37,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:37,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:37,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:37,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:37,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:37,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:37,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:37,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:37,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:37,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:37,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:37,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:37,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:37,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:37,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:37,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:37,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:37,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:37,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:37,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:37,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:37,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:37,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:37,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:37,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:37,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:37,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:37,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:37,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:37,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:37,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:37,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:37,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:37,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:37,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:37,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:37,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:37,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:37,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:37,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:37,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:37,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:37,230 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:37,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:37,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:37,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:37,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:37,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:37,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:37,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:37,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:37,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:37,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:37,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:37,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:37,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:37,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:37,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:37,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:37,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:37,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:37,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:37,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:37,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:37,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:37,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:37,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:37,241 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 -> 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd [2019-11-24 21:11:37,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:37,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:37,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:37,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:37,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:37,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps4.c [2019-11-24 21:11:37,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/919842dd6/e320e8609e2a463d96b22c57784ea75f/FLAGa114fd131 [2019-11-24 21:11:38,549 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:38,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps4.c [2019-11-24 21:11:38,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/919842dd6/e320e8609e2a463d96b22c57784ea75f/FLAGa114fd131 [2019-11-24 21:11:38,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/919842dd6/e320e8609e2a463d96b22c57784ea75f [2019-11-24 21:11:38,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:38,901 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:38,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:38,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:38,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:38,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:38" (1/1) ... [2019-11-24 21:11:38,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa4a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:38, skipping insertion in model container [2019-11-24 21:11:38,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:38" (1/1) ... [2019-11-24 21:11:38,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:38,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:39,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:39,292 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:39,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:39,355 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:39,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39 WrapperNode [2019-11-24 21:11:39,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:39,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:39,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:39,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:39,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:39,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:39,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:39,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:39,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:39" (1/1) ... [2019-11-24 21:11:39,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:39,524 INFO L168 Benchmark]: Toolchain (without parser) took 607.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 991.1 MB in the end (delta: -26.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:39,526 INFO L168 Benchmark]: CDTParser took 2.98 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 21:11:39,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.08 ms. Allocated memory is still 1.0 GB. Free memory was 964.5 MB in the beginning and 952.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:39,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 952.9 MB in the beginning and 996.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:39,535 INFO L168 Benchmark]: Boogie Preprocessor took 37.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:39,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.98 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 453.08 ms. Allocated memory is still 1.0 GB. Free memory was 964.5 MB in the beginning and 952.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 105.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 952.9 MB in the beginning and 996.8 MB in the end (delta: -43.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 37.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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 0.1.24-32f2683 [2019-11-24 21:11:42,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:42,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:42,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:42,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:42,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:42,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:42,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:42,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:42,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:42,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:42,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:42,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:42,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:42,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:42,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:42,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:42,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:42,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:42,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:42,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:42,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:42,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:42,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:42,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:42,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:42,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:42,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:42,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:42,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:42,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:42,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:42,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:42,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:42,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:42,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:42,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:42,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:42,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:42,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:42,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:42,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:42,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:42,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:42,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:42,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:42,400 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:42,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:42,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:42,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:42,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:42,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:42,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:42,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:42,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:42,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:42,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:42,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:42,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:42,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:42,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:42,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:42,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:42,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:42,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:42,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:42,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:42,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:42,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:42,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:42,411 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:42,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:42,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:42,413 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 -> 60ef4a1fc8b6370921fdf9ed9e9c37a4cd500ecd [2019-11-24 21:11:42,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:42,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:42,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:42,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:42,819 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:42,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps4.c [2019-11-24 21:11:42,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c13cbd8a/70c21d30c38f41eea9ae85ef2a88b728/FLAG0f7124bd1 [2019-11-24 21:11:43,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:43,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps4.c [2019-11-24 21:11:43,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c13cbd8a/70c21d30c38f41eea9ae85ef2a88b728/FLAG0f7124bd1 [2019-11-24 21:11:43,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c13cbd8a/70c21d30c38f41eea9ae85ef2a88b728 [2019-11-24 21:11:43,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:43,953 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:43,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:43,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:43,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:43,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:43" (1/1) ... [2019-11-24 21:11:43,974 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 24.11 09:11:43, skipping insertion in model container [2019-11-24 21:11:43,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:43" (1/1) ... [2019-11-24 21:11:43,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:44,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:44,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:44,340 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:44,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:44,397 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:44,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44 WrapperNode [2019-11-24 21:11:44,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:44,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:44,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:44,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:44,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:44,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:44,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:44,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:44,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:44" (1/1) ... [2019-11-24 21:11:44,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:44,589 INFO L168 Benchmark]: Toolchain (without parser) took 628.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:44,592 INFO L168 Benchmark]: CDTParser took 0.24 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 21:11:44,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.11 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 21:11:44,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:44,596 INFO L168 Benchmark]: Boogie Preprocessor took 49.16 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. [2019-11-24 21:11:44,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 443.11 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 125.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.16 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...