./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-2.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-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 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-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 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:26:06,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:06,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:06,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:06,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:06,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:06,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:06,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:06,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:06,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:06,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:06,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:06,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:06,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:06,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:06,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:06,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:06,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:06,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:06,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:06,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:06,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:06,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:06,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:06,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:06,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:06,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:06,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:06,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:06,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:06,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:06,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:06,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:06,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:06,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:06,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:06,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:06,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:06,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:06,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:06,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:06,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:06,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:06,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:06,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:06,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:06,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:06,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:06,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:06,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:06,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:06,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:06,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:06,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:06,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:06,674 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:06,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:06,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:06,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:06,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:06,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:06,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:06,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:06,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:06,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:06,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:06,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:06,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:06,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:06,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:06,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:06,684 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 -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-24 21:26:07,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:07,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:07,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:07,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:07,314 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:07,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-24 21:26:07,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95be71f7/ec4a1f8c40bf4d74935bc0437ab2b96a/FLAG9606f3c59 [2019-11-24 21:26:08,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:08,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-24 21:26:08,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95be71f7/ec4a1f8c40bf4d74935bc0437ab2b96a/FLAG9606f3c59 [2019-11-24 21:26:08,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95be71f7/ec4a1f8c40bf4d74935bc0437ab2b96a [2019-11-24 21:26:08,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:08,867 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:08,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:08,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:08,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:08,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:08" (1/1) ... [2019-11-24 21:26:08,896 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 21:26:08,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:08" (1/1) ... [2019-11-24 21:26:08,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:09,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:10,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:10,279 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:10,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:10,874 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:10,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:10 WrapperNode [2019-11-24 21:26:10,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:10,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:10,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:10,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:10,902 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 21:26:10,980 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 21:26:11,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:11,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:11,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:11,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:11,097 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 21:26:11,098 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 21:26:11,116 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 21:26:11,120 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 21:26:11,148 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 21:26:11,169 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 21:26:11,182 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 21:26:11,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:11,201 INFO L168 Benchmark]: Toolchain (without parser) took 2327.39 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 21:26:11,207 INFO L168 Benchmark]: CDTParser took 3.27 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 21:26:11,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2005.07 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 29.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:11,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.99 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:11,212 INFO L168 Benchmark]: Boogie Preprocessor took 116.39 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 21:26:11,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.27 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 2005.07 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 29.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 193.99 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.39 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. 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 21:26:15,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:15,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:15,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:15,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:15,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:15,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:15,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:15,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:15,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:15,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:15,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:15,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:15,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:15,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:15,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:15,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:15,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:15,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:15,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:15,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:15,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:15,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:15,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:15,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:15,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:15,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:15,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:15,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:15,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:15,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:15,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:15,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:15,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:15,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:15,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:15,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:15,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:15,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:15,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:15,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:15,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:15,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:15,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:15,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:15,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:15,293 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:15,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:15,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:15,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:15,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:15,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:15,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:15,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:15,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:15,300 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:15,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:15,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:15,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:15,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:15,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:15,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:15,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:15,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:15,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:15,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:15,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:15,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:15,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:15,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:15,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:15,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:15,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:15,311 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 -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-24 21:26:15,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:15,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:15,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:15,920 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:15,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:15,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-24 21:26:16,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b352f6807/8bb1c2040480417e8e9d031695fce939/FLAG1171a2be0 [2019-11-24 21:26:17,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:17,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-24 21:26:17,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b352f6807/8bb1c2040480417e8e9d031695fce939/FLAG1171a2be0 [2019-11-24 21:26:17,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b352f6807/8bb1c2040480417e8e9d031695fce939 [2019-11-24 21:26:17,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:17,458 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:17,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:17,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:17,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:17,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 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 21:26:17,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:17,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:18,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:18,905 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:19,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:19,474 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:19,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19 WrapperNode [2019-11-24 21:26:19,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:19,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:19,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:19,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:19,501 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 21:26:19,582 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 21:26:19,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:19,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:19,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:19,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:19,692 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 21:26:19,695 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 21:26:19,712 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 21:26:19,715 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 21:26:19,755 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 21:26:19,771 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 21:26:19,785 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 21:26:19,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:19,811 INFO L168 Benchmark]: Toolchain (without parser) took 2352.66 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 937.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:19,814 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:19,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2012.99 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 943.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:19,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.93 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 21:26:19,821 INFO L168 Benchmark]: Boogie Preprocessor took 132.66 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:19,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2012.99 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 943.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.93 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. * Boogie Preprocessor took 132.66 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 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...