./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test26-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test26-1.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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test26-1.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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:05,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:05,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:05,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:05,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:05,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:05,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:05,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:05,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:05,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:05,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:05,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:05,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:05,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:05,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:05,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:05,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:05,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:05,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:05,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:05,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:05,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:05,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:05,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:05,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:05,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:05,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:05,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:05,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:05,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:05,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:05,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:05,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:05,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:05,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:05,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:05,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:05,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:05,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:05,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:05,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:05,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:05,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:05,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:05,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:05,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:05,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:05,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:05,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:05,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:05,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:05,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:05,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:05,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:05,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:05,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:05,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:05,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:05,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:05,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:05,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:05,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:05,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:05,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:05,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:05,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:05,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:05,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:05,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:05,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:05,431 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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-11-27 09:49:05,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:06,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:06,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:06,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:06,039 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:06,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 09:49:06,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ceab1b1/7c6ee37b4d6f443daa497c0c4fdc29bb/FLAG1eb0c08f4 [2019-11-27 09:49:07,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:07,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 09:49:07,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ceab1b1/7c6ee37b4d6f443daa497c0c4fdc29bb/FLAG1eb0c08f4 [2019-11-27 09:49:07,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ceab1b1/7c6ee37b4d6f443daa497c0c4fdc29bb [2019-11-27 09:49:07,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:07,372 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:07,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:07,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:07,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:07,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,395 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 27.11 09:49:07, skipping insertion in model container [2019-11-27 09:49:07,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:07,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:07,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:07,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,991 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:07,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07 WrapperNode [2019-11-27 09:49:07,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:08,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:08,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:08,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:08,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:08,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:08,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:08,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:08,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:08,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:08,244 INFO L168 Benchmark]: Toolchain (without parser) took 865.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:08,246 INFO L168 Benchmark]: CDTParser took 2.40 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 09:49:08,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.97 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 09:49:08,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:08,268 INFO L168 Benchmark]: Boogie Preprocessor took 55.67 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:08,282 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 619.97 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 175.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.67 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:12,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:12,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:12,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:12,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:12,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:12,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:12,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:12,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:12,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:12,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:12,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:12,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:12,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:12,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:12,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:12,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:12,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:12,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:12,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:12,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:12,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:12,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:12,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:12,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:12,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:12,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:12,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:12,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:12,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:12,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:12,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:12,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:12,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:12,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:12,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:12,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:12,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:12,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:12,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:12,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:12,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:12,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:12,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:12,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:12,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:12,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:12,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:12,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:12,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:12,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:12,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:12,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:12,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:12,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:12,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:12,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:12,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:12,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:12,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:12,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:12,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:12,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:12,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:12,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:12,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:12,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:12,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:12,466 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:12,466 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:12,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:12,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:12,468 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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-11-27 09:49:13,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:13,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:13,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:13,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:13,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:13,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 09:49:13,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada086a7d/ad3b4cc17efb4ee2a6cf8ca6d54ade6b/FLAG76a55c745 [2019-11-27 09:49:14,392 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:14,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 09:49:14,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada086a7d/ad3b4cc17efb4ee2a6cf8ca6d54ade6b/FLAG76a55c745 [2019-11-27 09:49:14,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada086a7d/ad3b4cc17efb4ee2a6cf8ca6d54ade6b [2019-11-27 09:49:14,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:14,471 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:14,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:14,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:14,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:14,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,500 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 27.11 09:49:14, skipping insertion in model container [2019-11-27 09:49:14,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:14,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:15,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:15,120 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:15,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:15,285 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15 WrapperNode [2019-11-27 09:49:15,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:15,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:15,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:15,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:15,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:15,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:15,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:15,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:15,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:15" (1/1) ... [2019-11-27 09:49:15,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:15,467 INFO L168 Benchmark]: Toolchain (without parser) took 995.14 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:15,475 INFO L168 Benchmark]: CDTParser took 0.39 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 09:49:15,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.75 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 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:15,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.91 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:15,486 INFO L168 Benchmark]: Boogie Preprocessor took 88.52 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. [2019-11-27 09:49:15,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 809.75 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 996.8 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 83.91 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.52 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...