./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/cohencu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:07,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:07,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:07,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:07,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:07,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:07,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:07,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:07,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:07,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:07,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:07,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:07,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:07,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:07,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:07,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:07,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:07,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:07,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:07,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:07,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:07,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:07,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:07,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:07,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:07,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:07,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:07,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:07,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:07,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:07,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:07,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:07,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:07,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:07,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:07,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:07,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:07,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:07,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:07,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:07,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:07,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:07,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:07,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:07,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:07,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:07,346 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:07,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:07,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:07,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:07,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:07,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:07,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:07,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:07,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:07,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:07,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:07,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:07,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:07,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:07,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:07,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:07,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:07,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:07,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:07,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:07,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:07,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:07,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:07,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:07,361 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-26 17:05:07,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:07,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:07,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:07,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:07,959 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:07,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-26 17:05:08,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272ac4db/9772ec802d2c40b19e2feed420c3d3fa/FLAGe76030327 [2019-11-26 17:05:09,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:09,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-26 17:05:09,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272ac4db/9772ec802d2c40b19e2feed420c3d3fa/FLAGe76030327 [2019-11-26 17:05:09,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8272ac4db/9772ec802d2c40b19e2feed420c3d3fa [2019-11-26 17:05:09,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:09,301 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:09,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:09,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:09,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:09,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09, skipping insertion in model container [2019-11-26 17:05:09,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:09,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:09,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:09,865 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:09,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:10,051 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:10,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10 WrapperNode [2019-11-26 17:05:10,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:10,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:10,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:10,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:10,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:10,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:10,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:10,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:10,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:10" (1/1) ... [2019-11-26 17:05:10,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:10,247 INFO L168 Benchmark]: Toolchain (without parser) took 933.80 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:10,249 INFO L168 Benchmark]: CDTParser took 0.49 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. [2019-11-26 17:05:10,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.91 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:10,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:10,268 INFO L168 Benchmark]: Boogie Preprocessor took 67.58 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:10,280 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 747.91 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 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 67.58 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 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 0.1.24-025d5a2 [2019-11-26 17:05:14,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:14,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:14,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:14,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:14,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:14,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:14,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:14,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:14,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:14,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:14,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:14,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:14,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:14,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:14,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:14,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:14,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:14,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:14,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:14,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:14,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:14,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:14,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:14,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:14,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:14,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:14,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:14,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:14,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:14,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:14,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:14,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:14,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:14,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:14,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:14,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:14,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:14,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:14,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:14,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:14,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:14,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:14,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:14,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:14,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:14,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:14,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:14,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:14,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:14,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:14,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:14,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:14,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:14,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:14,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:14,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:14,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:14,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:14,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:14,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:14,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:14,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:14,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:14,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:14,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:14,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:14,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:14,371 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:14,371 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:14,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:14,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:14,373 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-26 17:05:15,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:15,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:15,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:15,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:15,084 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:15,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-26 17:05:15,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a31ab7d0/52c465c4a05e422ca5ea04609a4b639d/FLAG177af731f [2019-11-26 17:05:16,316 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:16,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-26 17:05:16,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a31ab7d0/52c465c4a05e422ca5ea04609a4b639d/FLAG177af731f [2019-11-26 17:05:16,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a31ab7d0/52c465c4a05e422ca5ea04609a4b639d [2019-11-26 17:05:16,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:16,389 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:16,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:16,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:16,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:16,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:16, skipping insertion in model container [2019-11-26 17:05:16,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:16" (1/1) ... [2019-11-26 17:05:16,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:16,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:16,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:17,006 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:17,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:17,202 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:17,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17 WrapperNode [2019-11-26 17:05:17,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:17,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:17,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:17,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:17,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:17,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:17,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:17,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:17,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:17" (1/1) ... [2019-11-26 17:05:17,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:17,392 INFO L168 Benchmark]: Toolchain (without parser) took 998.31 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,393 INFO L168 Benchmark]: CDTParser took 1.36 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. [2019-11-26 17:05:17,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.26 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:17,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,399 INFO L168 Benchmark]: Boogie Preprocessor took 92.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:17,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 814.26 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 991.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 84.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.09 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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...