./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_stack-2.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-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:07:32,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:32,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:32,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:32,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:32,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:32,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:32,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:32,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:32,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:32,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:32,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:32,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:32,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:32,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:32,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:32,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:32,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:32,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:32,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:32,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:32,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:32,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:32,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:32,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:32,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:32,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:32,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:32,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:32,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:32,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:32,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:32,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:32,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:32,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:32,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:32,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:32,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:32,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:32,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:32,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:32,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:32,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:32,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:32,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:32,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:32,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:32,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:32,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:32,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:32,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:32,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:32,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:32,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:32,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:32,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:32,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:32,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:32,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:32,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:32,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:32,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:32,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:32,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:32,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:32,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:32,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:32,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:32,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:32,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:32,985 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 -> 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 [2019-11-27 10:07:33,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:33,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:33,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:33,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:33,623 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:33,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 10:07:33,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0392f2132/45d3a20ca49a4b7c8a84b5f077be69f5/FLAGad2001070 [2019-11-27 10:07:35,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:35,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 10:07:35,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0392f2132/45d3a20ca49a4b7c8a84b5f077be69f5/FLAGad2001070 [2019-11-27 10:07:35,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0392f2132/45d3a20ca49a4b7c8a84b5f077be69f5 [2019-11-27 10:07:35,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:35,346 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:35,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:35,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:35,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:35,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:35" (1/1) ... [2019-11-27 10:07:35,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:35, skipping insertion in model container [2019-11-27 10:07:35,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:35" (1/1) ... [2019-11-27 10:07:35,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:35,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:37,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:37,096 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:37,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:37,706 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:37,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37 WrapperNode [2019-11-27 10:07:37,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:37,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:37,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:37,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:37,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:37,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:38,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:38,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:38,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:38,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:37" (1/1) ... [2019-11-27 10:07:38,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:38,498 INFO L168 Benchmark]: Toolchain (without parser) took 3146.59 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 897.7 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:38,499 INFO L168 Benchmark]: CDTParser took 0.45 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 10:07:38,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2364.13 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 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:38,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 403.01 ms. Allocated memory is still 1.0 GB. Free memory was 932.1 MB in the beginning and 909.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:38,508 INFO L168 Benchmark]: Boogie Preprocessor took 374.02 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 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. [2019-11-27 10:07:38,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 2364.13 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 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 403.01 ms. Allocated memory is still 1.0 GB. Free memory was 932.1 MB in the beginning and 909.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 374.02 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 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-da95e15 [2019-11-27 10:07:42,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:42,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:42,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:42,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:42,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:42,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:42,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:42,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:42,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:42,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:42,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:42,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:42,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:42,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:42,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:42,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:42,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:42,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:42,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:42,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:42,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:42,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:42,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:42,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:42,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:42,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:42,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:42,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:42,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:42,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:42,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:42,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:42,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:42,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:42,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:42,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:42,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:42,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:42,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:42,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:42,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:07:42,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:42,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:42,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:42,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:42,734 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:42,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:42,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:42,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:42,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:42,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:42,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:42,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:42,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:07:42,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:07:42,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:42,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:42,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:42,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:42,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:42,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:42,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:42,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:42,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:42,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:42,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:42,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:42,749 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:07:42,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:07:42,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:42,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:07:42,753 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 -> 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 [2019-11-27 10:07:43,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:43,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:43,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:43,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:43,408 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:43,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 10:07:43,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b83cb679/f996bd6fb5a04fa9ba764f579e22fdd1/FLAGca9e64f08 [2019-11-27 10:07:44,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:44,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 10:07:44,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b83cb679/f996bd6fb5a04fa9ba764f579e22fdd1/FLAGca9e64f08 [2019-11-27 10:07:44,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b83cb679/f996bd6fb5a04fa9ba764f579e22fdd1 [2019-11-27 10:07:44,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:44,979 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:44,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:44,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:44,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:45,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:44" (1/1) ... [2019-11-27 10:07:45,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:45, skipping insertion in model container [2019-11-27 10:07:45,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:44" (1/1) ... [2019-11-27 10:07:45,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:45,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:46,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:46,576 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:46,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:47,264 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47 WrapperNode [2019-11-27 10:07:47,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:47,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:47,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:47,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:47,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:47,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:47,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:47,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:47,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:47,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:47,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:47,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:47,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:47,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:48,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:48,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:48,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:47" (1/1) ... [2019-11-27 10:07:48,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:48,183 INFO L168 Benchmark]: Toolchain (without parser) took 3203.19 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 887.7 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:48,186 INFO L168 Benchmark]: CDTParser took 3.03 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 10:07:48,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2284.74 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 922.1 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:48,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 459.23 ms. Allocated memory is still 1.0 GB. Free memory was 922.1 MB in the beginning and 904.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:48,195 INFO L168 Benchmark]: Boogie Preprocessor took 446.07 ms. Allocated memory is still 1.0 GB. Free memory was 904.9 MB in the beginning and 887.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:48,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 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 2284.74 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 922.1 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 459.23 ms. Allocated memory is still 1.0 GB. Free memory was 922.1 MB in the beginning and 904.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 446.07 ms. Allocated memory is still 1.0 GB. Free memory was 904.9 MB in the beginning and 887.7 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...