./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack_longest-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 1ed568caba4b883b0886336a3869d78e2ca18840 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_longest-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 1ed568caba4b883b0886336a3869d78e2ca18840 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:50,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:50,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:50,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:50,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:50,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:50,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:50,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:50,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:50,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:50,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:50,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:50,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:50,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:50,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:50,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:50,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:50,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:50,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:50,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:50,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:50,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:50,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:50,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:50,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:50,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:50,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:50,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:50,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:50,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:50,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:50,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:50,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:50,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:50,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:50,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:50,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:50,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:50,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:50,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:50,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:50,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:50,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:50,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:50,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:50,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:50,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:50,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:50,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:50,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:50,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:50,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:50,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:50,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:50,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:50,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:50,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:50,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:50,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:50,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:50,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:50,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:50,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:50,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:50,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:50,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:50,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:50,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:50,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:50,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:50,608 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-25 23:12:51,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:51,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:51,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:51,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:51,237 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:51,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-25 23:12:51,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59deea7fb/4c5d9458d64a42fab8fdad6c21230132/FLAGa4570c2e0 [2019-11-25 23:12:52,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:52,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-25 23:12:52,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59deea7fb/4c5d9458d64a42fab8fdad6c21230132/FLAGa4570c2e0 [2019-11-25 23:12:52,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59deea7fb/4c5d9458d64a42fab8fdad6c21230132 [2019-11-25 23:12:52,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:52,830 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:52,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:52,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:52,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:52,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:52" (1/1) ... [2019-11-25 23:12:52,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:52, skipping insertion in model container [2019-11-25 23:12:52,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:52" (1/1) ... [2019-11-25 23:12:52,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:52,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:54,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:54,284 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:54,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:54,840 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:54,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54 WrapperNode [2019-11-25 23:12:54,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:54,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:54,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:54,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:54,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:54,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:55,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:55,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:55,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,165 INFO L168 Benchmark]: Toolchain (without parser) took 2325.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 932.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,166 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:55,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2002.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 937.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.40 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. [2019-11-25 23:12:55,175 INFO L168 Benchmark]: Boogie Preprocessor took 114.96 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 2002.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 937.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.40 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. * Boogie Preprocessor took 114.96 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:59,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:59,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:59,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:59,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:59,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:59,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:59,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:59,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:59,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:59,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:59,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:59,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:59,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:59,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:59,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:59,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:59,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:59,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:59,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:59,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:59,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:59,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:59,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:59,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:59,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:59,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:59,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:59,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:59,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:59,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:59,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:59,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:59,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:59,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:59,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:59,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:59,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:59,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:59,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:59,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:59,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:59,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:59,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:59,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:59,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:59,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:59,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:59,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:59,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:59,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:59,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:59,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:59,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:59,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:59,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:59,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:59,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:59,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:59,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:59,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:59,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:59,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:59,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:59,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:59,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:59,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:59,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:59,431 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:59,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:59,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:59,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:59,434 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-25 23:13:00,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:00,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:00,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:00,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:00,099 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:00,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-25 23:13:00,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cf46277/e6a3bcfbc5e945c68bf21958603988fa/FLAGac1981025 [2019-11-25 23:13:01,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:01,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-25 23:13:01,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cf46277/e6a3bcfbc5e945c68bf21958603988fa/FLAGac1981025 [2019-11-25 23:13:01,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cf46277/e6a3bcfbc5e945c68bf21958603988fa [2019-11-25 23:13:01,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:01,972 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:01,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:01,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:01,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:01,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:02,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:01, skipping insertion in model container [2019-11-25 23:13:02,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:02,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:02,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:03,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,397 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:03,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,957 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:03,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03 WrapperNode [2019-11-25 23:13:03,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:03,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:03,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:03,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:03,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:04,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:04,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:04,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:04,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:04,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:04,290 INFO L168 Benchmark]: Toolchain (without parser) took 2312.52 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 933.5 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:04,292 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-25 23:13:04,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1978.08 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 939.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:04,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.13 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:04,300 INFO L168 Benchmark]: Boogie Preprocessor took 133.60 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:04,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1978.08 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 939.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 186.13 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 133.60 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...