./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --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/pthread-ext/26_stack_cas_longest-2.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 d11a42196163cef7c98524429b4693f3727dcfb0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/26_stack_cas_longest-2.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 d11a42196163cef7c98524429b4693f3727dcfb0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:08:26,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:26,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:26,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:26,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:26,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:26,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:26,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:26,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:26,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:26,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:26,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:26,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:26,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:26,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:26,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:26,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:26,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:26,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:26,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:26,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:26,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:26,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:26,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:26,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:26,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:26,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:26,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:26,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:26,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:26,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:26,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:26,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:26,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:26,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:26,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:26,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:26,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:26,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:26,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:26,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:26,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:26,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:26,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:26,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:26,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:26,367 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:26,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:26,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:26,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:26,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:26,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:26,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:26,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:26,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:26,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:26,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:26,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:26,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:26,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:26,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:26,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:26,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:26,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:26,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:26,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:26,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:26,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:26,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:26,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:26,380 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 -> d11a42196163cef7c98524429b4693f3727dcfb0 [2019-11-27 10:08:26,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:26,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:26,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:26,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:26,942 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:26,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2019-11-27 10:08:27,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3c2a77d/6978293a7aa74c70b2fa49f05937dd77/FLAG66beb6bc5 [2019-11-27 10:08:28,331 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:28,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2019-11-27 10:08:28,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3c2a77d/6978293a7aa74c70b2fa49f05937dd77/FLAG66beb6bc5 [2019-11-27 10:08:28,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3c2a77d/6978293a7aa74c70b2fa49f05937dd77 [2019-11-27 10:08:28,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:28,424 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:28,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:28,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:28,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:28,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ddd501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28, skipping insertion in model container [2019-11-27 10:08:28,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:28,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:29,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:29,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:29,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:29,953 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:29,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29 WrapperNode [2019-11-27 10:08:29,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:29,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:29,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:29,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:29,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:30,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:30,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:30,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:30,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:29" (1/1) ... [2019-11-27 10:08:30,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:30,195 INFO L168 Benchmark]: Toolchain (without parser) took 1770.10 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 956.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:30,198 INFO L168 Benchmark]: CDTParser took 0.29 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 10:08:30,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1529.16 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 962.4 MB in the end (delta: -668.7 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:30,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.60 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:30,214 INFO L168 Benchmark]: Boogie Preprocessor took 92.88 ms. Allocated memory is still 1.0 GB. Free memory is still 956.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:30,230 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1529.16 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 962.4 MB in the end (delta: -668.7 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.60 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.88 ms. Allocated memory is still 1.0 GB. Free memory is still 956.6 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-da95e15 [2019-11-27 10:08:34,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:34,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:34,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:34,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:34,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:34,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:34,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:34,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:34,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:34,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:34,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:34,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:34,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:34,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:34,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:34,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:34,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:34,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:34,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:34,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:34,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:34,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:34,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:34,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:34,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:34,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:34,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:34,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:34,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:34,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:34,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:34,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:34,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:34,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:34,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:34,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:34,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:34,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:34,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:34,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:34,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:34,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:34,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:34,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:34,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:34,248 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:34,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:34,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:34,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:34,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:34,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:34,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:34,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:34,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:34,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:34,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:34,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:34,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:34,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:34,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:34,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:34,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:34,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:34,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:34,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:34,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:34,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:34,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:34,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:34,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:34,266 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 -> d11a42196163cef7c98524429b4693f3727dcfb0 [2019-11-27 10:08:34,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:34,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:34,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:34,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:34,826 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:34,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2019-11-27 10:08:34,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9051818/60b61f8c10924f759fdc43df7283bdbe/FLAG0d84d1207 [2019-11-27 10:08:36,215 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:36,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2019-11-27 10:08:36,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9051818/60b61f8c10924f759fdc43df7283bdbe/FLAG0d84d1207 [2019-11-27 10:08:36,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9051818/60b61f8c10924f759fdc43df7283bdbe [2019-11-27 10:08:36,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:36,303 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:36,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:36,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:36,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:36,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,326 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 27.11 10:08:36, skipping insertion in model container [2019-11-27 10:08:36,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:36,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:37,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:37,556 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:37,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:37,924 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:37,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37 WrapperNode [2019-11-27 10:08:37,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:37,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:37,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:37,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:37,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:37,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:38,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:38,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:38,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:38,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:37" (1/1) ... [2019-11-27 10:08:38,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:38,193 INFO L168 Benchmark]: Toolchain (without parser) took 1883.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 960.9 MB in the end (delta: -677.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:38,194 INFO L168 Benchmark]: CDTParser took 0.34 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 10:08:38,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1619.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:38,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:38,200 INFO L168 Benchmark]: Boogie Preprocessor took 117.11 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:38,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1619.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.11 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 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...