./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/25_stack.i -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 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/pthread-ext/25_stack.i -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 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:13:15,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:15,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:15,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:15,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:15,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:15,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:15,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:15,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:15,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:15,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:15,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:15,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:15,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:15,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:15,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:15,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:15,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:15,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:15,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:15,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:15,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:15,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:15,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:15,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:15,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:15,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:15,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:15,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:15,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:15,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:15,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:15,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:15,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:15,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:15,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:15,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:15,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:15,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:15,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:15,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:15,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:15,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:15,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:15,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:15,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:15,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:15,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:15,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:15,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:15,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:15,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:15,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:15,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:15,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:15,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:15,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:15,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:15,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:15,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:15,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:15,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:15,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:15,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:15,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:15,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:15,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:15,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:15,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:15,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:15,424 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 -> 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 [2019-11-25 23:13:15,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:15,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:15,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:15,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:15,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:15,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-25 23:13:16,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996a84e2d/3f6237f1cc9a42649e3a70928a50d812/FLAG268bb5583 [2019-11-25 23:13:16,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:16,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-25 23:13:16,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996a84e2d/3f6237f1cc9a42649e3a70928a50d812/FLAG268bb5583 [2019-11-25 23:13:17,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996a84e2d/3f6237f1cc9a42649e3a70928a50d812 [2019-11-25 23:13:17,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:17,070 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:17,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:17,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:17,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:17,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:17" (1/1) ... [2019-11-25 23:13:17,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:17, skipping insertion in model container [2019-11-25 23:13:17,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:17" (1/1) ... [2019-11-25 23:13:17,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:17,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:17,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:17,889 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:17,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:18,108 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:18,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18 WrapperNode [2019-11-25 23:13:18,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:18,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:18,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:18,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:18,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:18,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:18,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:18,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:18,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:18" (1/1) ... [2019-11-25 23:13:18,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:18,266 INFO L168 Benchmark]: Toolchain (without parser) took 1189.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:18,269 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:18,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1038.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:18,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:18,272 INFO L168 Benchmark]: Boogie Preprocessor took 62.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:18,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1038.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 80.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:13:21,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:21,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:21,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:21,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:21,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:21,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:21,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:21,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:21,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:21,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:21,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:21,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:21,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:21,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:21,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:21,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:21,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:21,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:21,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:21,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:21,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:21,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:21,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:21,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:21,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:21,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:21,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:21,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:21,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:21,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:21,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:21,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:21,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:21,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:21,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:21,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:21,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:21,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:21,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:21,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:21,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:21,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:21,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:21,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:21,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:21,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:21,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:21,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:21,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:21,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:21,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:21,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:21,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:21,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:21,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:21,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:21,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:21,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:21,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:21,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:21,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:21,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:21,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:21,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:21,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:21,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:21,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:21,184 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:21,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:21,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:21,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:21,187 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 -> 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 [2019-11-25 23:13:21,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:21,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:21,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:21,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:21,609 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:21,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-25 23:13:21,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0c2b2d/a7d45964482e4bc88a1d1ce000b66987/FLAGc1f7ef556 [2019-11-25 23:13:22,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:22,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-25 23:13:22,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0c2b2d/a7d45964482e4bc88a1d1ce000b66987/FLAGc1f7ef556 [2019-11-25 23:13:22,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0c2b2d/a7d45964482e4bc88a1d1ce000b66987 [2019-11-25 23:13:22,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:22,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:22,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:22,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:22,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:22,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:22" (1/1) ... [2019-11-25 23:13:22,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:22, skipping insertion in model container [2019-11-25 23:13:22,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:22" (1/1) ... [2019-11-25 23:13:22,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:22,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:23,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:23,571 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:23,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:23,817 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:23,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23 WrapperNode [2019-11-25 23:13:23,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:23,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:23,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:23,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:23,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:23,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:23,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:23,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:23,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:23,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:23" (1/1) ... [2019-11-25 23:13:24,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:24,009 INFO L168 Benchmark]: Toolchain (without parser) took 1250.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 956.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:24,010 INFO L168 Benchmark]: CDTParser took 2.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:24,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1056.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:24,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.62 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:24,018 INFO L168 Benchmark]: Boogie Preprocessor took 80.17 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:24,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22 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 1056.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.62 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.17 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 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...