./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_stack-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/seq-pthread/cs_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 b70bd1720bf5b8dc6d686e5b70e4a44a66e994be ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/seq-pthread/cs_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 b70bd1720bf5b8dc6d686e5b70e4a44a66e994be ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:12:29,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:29,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:29,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:29,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:29,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:29,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:29,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:29,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:29,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:29,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:29,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:29,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:29,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:29,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:29,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:29,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:29,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:29,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:29,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:29,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:29,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:29,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:29,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:29,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:29,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:29,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:29,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:29,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:29,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:29,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:29,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:29,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:29,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:29,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:29,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:29,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:29,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:29,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:29,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:29,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:29,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:29,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:29,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:29,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:29,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:29,398 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:29,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:29,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:29,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:29,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:29,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:29,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:29,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:29,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:29,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:29,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:29,406 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:29,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:29,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:29,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:29,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:29,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:29,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:29,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:29,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:29,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:29,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:29,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:29,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:29,416 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 -> b70bd1720bf5b8dc6d686e5b70e4a44a66e994be [2019-11-25 23:12:29,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:30,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:30,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:30,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:30,037 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:30,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-25 23:12:30,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd88ee216/0ba1c1e74ed541fb9ee38ac530161b46/FLAGff812cba4 [2019-11-25 23:12:31,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:31,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-25 23:12:31,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd88ee216/0ba1c1e74ed541fb9ee38ac530161b46/FLAGff812cba4 [2019-11-25 23:12:31,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd88ee216/0ba1c1e74ed541fb9ee38ac530161b46 [2019-11-25 23:12:31,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:31,612 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:31,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:31,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:31,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:31,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:31" (1/1) ... [2019-11-25 23:12:31,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:31, skipping insertion in model container [2019-11-25 23:12:31,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:31" (1/1) ... [2019-11-25 23:12:31,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:31,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:33,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:33,436 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:33,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:34,071 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:34,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34 WrapperNode [2019-11-25 23:12:34,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:34,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:34,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:34,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:34,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:34,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:34,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:34,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:34,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:34" (1/1) ... [2019-11-25 23:12:34,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:34,845 INFO L168 Benchmark]: Toolchain (without parser) took 3229.08 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 897.7 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:34,847 INFO L168 Benchmark]: CDTParser took 0.36 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 23:12:34,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2453.09 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 932.2 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:34,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 400.20 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 909.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:34,860 INFO L168 Benchmark]: Boogie Preprocessor took 363.41 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 897.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:34,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 2453.09 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 932.2 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 400.20 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 909.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 363.41 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 897.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 23:12:38,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:38,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:38,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:38,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:38,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:38,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:38,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:38,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:38,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:38,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:38,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:38,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:38,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:38,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:38,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:38,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:38,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:38,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:38,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:38,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:38,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:38,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:38,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:38,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:38,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:38,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:38,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:38,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:38,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:38,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:38,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:38,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:38,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:38,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:38,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:38,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:38,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:38,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:38,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:38,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:38,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:39,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:39,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:39,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:39,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:39,025 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:39,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:39,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:39,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:39,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:39,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:39,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:39,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:39,029 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:39,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:39,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:39,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:39,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:39,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:39,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:39,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:39,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:39,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:39,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:39,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:39,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:39,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:39,037 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:39,038 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:39,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:39,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:39,040 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 -> b70bd1720bf5b8dc6d686e5b70e4a44a66e994be [2019-11-25 23:12:39,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:39,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:39,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:39,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:39,652 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:39,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-25 23:12:39,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4adda754/bce55ca04d134253a80e9bed7da5ac98/FLAG0fd46e48e [2019-11-25 23:12:41,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:41,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-25 23:12:41,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4adda754/bce55ca04d134253a80e9bed7da5ac98/FLAG0fd46e48e [2019-11-25 23:12:41,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4adda754/bce55ca04d134253a80e9bed7da5ac98 [2019-11-25 23:12:41,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:41,270 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:41,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:41,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:41,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:41,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:41" (1/1) ... [2019-11-25 23:12:41,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:41, skipping insertion in model container [2019-11-25 23:12:41,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:41" (1/1) ... [2019-11-25 23:12:41,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:41,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:43,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:43,227 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:43,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:43,948 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:43,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43 WrapperNode [2019-11-25 23:12:43,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:43,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:43,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:43,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:43,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:44,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:44,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:44,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:44,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:43" (1/1) ... [2019-11-25 23:12:44,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:44,780 INFO L168 Benchmark]: Toolchain (without parser) took 3502.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.1 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:44,781 INFO L168 Benchmark]: CDTParser took 0.42 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 23:12:44,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2668.40 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 926.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:44,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 397.76 ms. Allocated memory is still 1.0 GB. Free memory was 926.5 MB in the beginning and 909.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:44,789 INFO L168 Benchmark]: Boogie Preprocessor took 415.65 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 892.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:44,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 2668.40 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 926.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 397.76 ms. Allocated memory is still 1.0 GB. Free memory was 926.5 MB in the beginning and 909.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 415.65 ms. Allocated memory is still 1.0 GB. Free memory was 909.3 MB in the beginning and 892.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...