./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:07:51,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:51,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:51,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:51,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:51,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:51,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:51,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:51,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:51,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:51,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:51,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:51,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:51,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:51,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:51,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:51,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:51,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:51,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:51,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:52,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:52,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:52,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:52,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:52,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:52,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:52,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:52,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:52,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:52,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:52,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:52,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:52,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:52,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:52,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:52,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:52,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:52,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:52,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:52,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:52,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:52,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:52,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:52,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:52,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:52,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:52,103 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:52,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:52,104 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:52,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:52,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:52,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:52,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:52,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:52,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:52,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:52,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:52,112 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:52,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:52,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:52,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:52,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:52,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:52,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:52,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:52,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:52,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:52,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:52,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:52,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:52,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-27 10:07:52,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:52,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:52,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:52,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:52,726 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:52,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-27 10:07:52,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf6cd758/189790d9f41641dc93b4463effe6b154/FLAGf58fb05e3 [2019-11-27 10:07:54,079 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:54,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-27 10:07:54,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf6cd758/189790d9f41641dc93b4463effe6b154/FLAGf58fb05e3 [2019-11-27 10:07:54,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cf6cd758/189790d9f41641dc93b4463effe6b154 [2019-11-27 10:07:54,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:54,176 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:54,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:54,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:54,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:54,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:54" (1/1) ... [2019-11-27 10:07:54,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:54, skipping insertion in model container [2019-11-27 10:07:54,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:54" (1/1) ... [2019-11-27 10:07:54,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:54,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:55,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:55,559 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:55,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:56,111 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:56,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56 WrapperNode [2019-11-27 10:07:56,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:56,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:56,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:56,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:56,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:56,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:56,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:56,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:56,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:56,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:56,413 INFO L168 Benchmark]: Toolchain (without parser) took 2233.84 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 933.6 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,420 INFO L168 Benchmark]: CDTParser took 0.44 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 10:07:56,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1931.16 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 939.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.26 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:56,427 INFO L168 Benchmark]: Boogie Preprocessor took 109.30 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1931.16 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 939.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.26 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 109.30 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:00,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:00,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:00,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:00,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:00,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:00,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:00,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:00,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:00,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:00,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:00,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:00,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:00,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:00,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:00,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:00,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:00,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:00,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:00,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:00,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:00,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:00,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:00,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:00,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:00,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:00,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:00,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:00,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:00,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:00,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:00,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:00,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:00,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:00,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:00,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:00,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:00,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:00,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:00,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:00,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:00,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:00,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:00,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:00,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:00,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:00,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:00,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:00,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:00,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:00,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:00,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:00,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:00,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:00,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:00,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:00,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:00,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:00,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:00,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:00,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:00,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:00,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:00,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:00,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:00,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:00,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:00,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:00,773 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:00,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:00,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:00,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:00,778 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-27 10:08:01,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:01,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:01,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:01,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:01,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:01,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-27 10:08:01,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a193ad5/1852b3a0a803400aae4f0b930fe7fe71/FLAGb660b95b9 [2019-11-27 10:08:02,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:02,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-27 10:08:02,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a193ad5/1852b3a0a803400aae4f0b930fe7fe71/FLAGb660b95b9 [2019-11-27 10:08:03,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a193ad5/1852b3a0a803400aae4f0b930fe7fe71 [2019-11-27 10:08:03,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:03,309 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:03,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:03,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:03,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:03,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:03, skipping insertion in model container [2019-11-27 10:08:03,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:03,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:04,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:04,771 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:04,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:05,348 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:05,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05 WrapperNode [2019-11-27 10:08:05,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:05,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:05,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:05,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:05,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:05,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,703 INFO L168 Benchmark]: Toolchain (without parser) took 2387.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 939.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,707 INFO L168 Benchmark]: CDTParser took 0.37 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 10:08:05,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2029.58 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 945.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.50 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,717 INFO L168 Benchmark]: Boogie Preprocessor took 139.71 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:05,726 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 2029.58 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 945.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 196.50 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 139.71 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...