./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:06,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:06,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:06,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:06,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:06,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:06,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:06,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:06,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:06,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:06,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:06,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:06,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:06,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:06,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:06,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:06,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:06,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:06,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:06,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:06,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:06,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:06,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:06,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:06,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:06,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:06,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:06,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:06,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:06,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:06,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:06,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:06,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:06,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:06,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:06,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:06,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:06,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:06,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:06,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:06,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:06,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:06,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:06,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:06,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:06,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:06,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:06,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:06,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:06,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:06,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:06,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:06,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:06,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:06,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:06,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:06,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:06,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:06,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:06,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:06,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:06,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:06,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:06,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:06,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:06,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:06,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:06,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:06,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:06,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:06,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:06,707 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-24 21:26:07,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:07,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:07,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:07,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:07,349 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:07,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-24 21:26:07,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0b12f61/49d570b7626f416d836d9bac6045d3a8/FLAG6498dd476 [2019-11-24 21:26:08,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:08,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-24 21:26:08,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0b12f61/49d570b7626f416d836d9bac6045d3a8/FLAG6498dd476 [2019-11-24 21:26:08,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0b12f61/49d570b7626f416d836d9bac6045d3a8 [2019-11-24 21:26:08,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:08,884 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:08,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:08,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:08,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:08,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:08" (1/1) ... [2019-11-24 21:26:08,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:08, skipping insertion in model container [2019-11-24 21:26:08,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:08" (1/1) ... [2019-11-24 21:26:08,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:09,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:10,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:10,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:10,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:10,859 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:10,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10 WrapperNode [2019-11-24 21:26:10,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:10,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:10,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:10,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:10,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:10,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:11,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:11,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:11,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:11,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:11,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:11,173 INFO L168 Benchmark]: Toolchain (without parser) took 2279.90 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:11,174 INFO L168 Benchmark]: CDTParser took 2.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:11,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1970.40 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 943.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:11,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.71 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:11,183 INFO L168 Benchmark]: Boogie Preprocessor took 113.75 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 937.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:11,191 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.32 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 1970.40 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 943.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.71 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.75 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 937.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:15,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:15,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:15,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:15,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:15,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:15,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:15,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:15,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:15,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:15,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:15,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:15,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:15,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:15,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:15,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:15,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:15,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:15,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:15,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:15,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:15,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:15,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:15,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:15,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:15,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:15,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:15,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:15,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:15,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:15,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:15,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:15,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:15,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:15,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:15,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:15,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:15,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:15,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:15,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:15,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:15,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:15,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:15,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:15,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:15,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:15,417 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:15,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:15,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:15,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:15,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:15,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:15,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:15,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:15,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:15,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:15,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:15,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:15,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:15,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:15,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:15,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:15,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:15,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:15,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:15,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:15,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:15,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:15,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:15,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:15,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:15,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:15,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:15,437 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-24 21:26:16,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:16,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:16,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:16,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:16,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:16,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-24 21:26:16,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510f6e369/592f84094ecf4633944c50fa0250a423/FLAG6a5a82119 [2019-11-24 21:26:17,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:17,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-24 21:26:17,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510f6e369/592f84094ecf4633944c50fa0250a423/FLAG6a5a82119 [2019-11-24 21:26:17,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510f6e369/592f84094ecf4633944c50fa0250a423 [2019-11-24 21:26:17,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:17,615 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:17,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:17,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:17,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:17,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:17, skipping insertion in model container [2019-11-24 21:26:17,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:17,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:19,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:19,091 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:19,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:19,603 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:19,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19 WrapperNode [2019-11-24 21:26:19,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:19,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:19,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:19,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:19,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:19,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:19,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:19,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:19,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:19,947 INFO L168 Benchmark]: Toolchain (without parser) took 2323.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 932.1 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:19,949 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:19,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1975.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 937.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:19,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.13 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:19,955 INFO L168 Benchmark]: Boogie Preprocessor took 131.23 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:19,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1975.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 937.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 197.13 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.23 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 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...