./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-da95e15 [2019-11-27 10:07:31,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:31,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:31,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:31,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:31,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:31,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:31,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:31,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:31,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:31,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:31,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:31,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:31,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:31,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:31,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:31,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:31,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:31,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:31,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:31,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:31,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:31,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:31,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:31,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:31,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:31,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:31,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:31,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:31,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:31,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:31,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:31,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:31,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:31,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:31,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:31,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:31,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:31,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:31,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:31,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:31,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:31,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:31,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:31,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:31,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:31,543 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:31,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:31,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:31,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:31,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:31,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:31,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:31,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:31,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:31,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:31,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:31,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:31,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:31,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:31,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:31,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:31,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:31,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:31,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:31,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:31,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:31,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:31,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:31,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:31,556 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 [2019-11-27 10:07:32,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:32,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:32,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:32,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:32,033 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:32,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-27 10:07:32,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc413c801/d3157f0cf92e4c3a9a72cb39bb92c996/FLAG45565f40e [2019-11-27 10:07:33,057 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:33,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-27 10:07:33,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc413c801/d3157f0cf92e4c3a9a72cb39bb92c996/FLAG45565f40e [2019-11-27 10:07:33,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc413c801/d3157f0cf92e4c3a9a72cb39bb92c996 [2019-11-27 10:07:33,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:33,182 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:33,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:33,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:33,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:33,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:33" (1/1) ... [2019-11-27 10:07:33,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:33, skipping insertion in model container [2019-11-27 10:07:33,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:33" (1/1) ... [2019-11-27 10:07:33,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:33,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:34,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:34,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:34,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:34,776 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:34,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34 WrapperNode [2019-11-27 10:07:34,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:34,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:34,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:34,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:34,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:34,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:35,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:35,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:35,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:35,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:34" (1/1) ... [2019-11-27 10:07:35,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:35,328 INFO L168 Benchmark]: Toolchain (without parser) took 2147.27 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 897.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:35,331 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-27 10:07:35,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1595.95 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 937.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:35,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.69 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 915.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:35,337 INFO L168 Benchmark]: Boogie Preprocessor took 264.24 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 897.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:35,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1595.95 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 937.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 279.69 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 915.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 264.24 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 897.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:07:38,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:38,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:38,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:38,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:38,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:38,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:38,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:38,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:38,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:38,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:38,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:38,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:38,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:38,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:38,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:38,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:38,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:38,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:38,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:38,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:38,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:38,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:38,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:38,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:38,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:38,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:38,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:38,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:38,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:38,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:38,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:38,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:38,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:38,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:38,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:38,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:38,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:38,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:38,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:38,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:38,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:07:38,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:38,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:38,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:38,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:38,178 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:38,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:38,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:38,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:38,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:38,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:38,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:38,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:38,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:07:38,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:07:38,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:38,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:38,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:38,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:38,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:38,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:38,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:38,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:38,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:38,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:38,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:38,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:38,190 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:07:38,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:07:38,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:38,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:07:38,191 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 [2019-11-27 10:07:38,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:38,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:38,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:38,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:38,648 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:38,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-27 10:07:38,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc1bb3a/94a1bcea34a74a08bc9d917aaf560870/FLAGd344eab21 [2019-11-27 10:07:39,663 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:39,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2019-11-27 10:07:39,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc1bb3a/94a1bcea34a74a08bc9d917aaf560870/FLAGd344eab21 [2019-11-27 10:07:39,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dc1bb3a/94a1bcea34a74a08bc9d917aaf560870 [2019-11-27 10:07:39,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:39,783 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:39,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:39,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:39,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:39,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:39" (1/1) ... [2019-11-27 10:07:39,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbfa2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:39, skipping insertion in model container [2019-11-27 10:07:39,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:39" (1/1) ... [2019-11-27 10:07:39,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:39,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:40,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:41,033 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:41,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:41,522 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:41,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41 WrapperNode [2019-11-27 10:07:41,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:41,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:41,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:41,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:41,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:41,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:41,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:41,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:41,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:41,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:42,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:42,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:41" (1/1) ... [2019-11-27 10:07:42,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:42,085 INFO L168 Benchmark]: Toolchain (without parser) took 2296.49 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 892.1 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:42,085 INFO L168 Benchmark]: CDTParser took 2.62 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:42,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1744.18 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: 28.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:42,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.34 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 915.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:42,093 INFO L168 Benchmark]: Boogie Preprocessor took 275.82 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 892.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:42,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.62 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 1744.18 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: 28.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 272.34 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 915.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 275.82 ms. Allocated memory is still 1.0 GB. Free memory was 915.0 MB in the beginning and 892.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...