./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-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-nondet/nondet-loop-bound-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 70388197a28bd3be848acf07d15b703eb0dba0f2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-nondet/nondet-loop-bound-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 70388197a28bd3be848acf07d15b703eb0dba0f2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:18:13,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:18:13,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:18:13,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:18:13,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:18:13,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:18:13,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:18:13,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:18:13,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:18:13,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:18:13,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:18:13,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:18:13,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:18:13,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:18:13,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:18:13,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:18:13,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:18:13,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:18:13,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:18:13,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:18:13,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:18:13,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:18:13,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:18:13,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:18:13,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:18:13,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:18:13,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:18:13,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:18:13,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:18:13,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:18:13,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:18:13,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:18:13,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:18:13,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:18:13,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:18:13,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:18:13,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:18:13,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:18:13,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:18:13,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:18:13,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:18:13,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:18:13,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:18:13,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:18:13,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:18:13,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:18:13,422 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:18:13,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:18:13,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:18:13,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:18:13,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:18:13,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:18:13,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:18:13,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:18:13,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:18:13,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:18:13,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:18:13,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:18:13,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:18:13,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:18:13,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:18:13,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:18:13,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:18:13,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:18:13,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:18:13,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:18:13,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:18:13,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:18:13,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:18:13,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:18:13,438 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 -> 70388197a28bd3be848acf07d15b703eb0dba0f2 [2019-11-27 10:18:14,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:18:14,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:18:14,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:18:14,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:18:14,072 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:18:14,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-11-27 10:18:14,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0199bff6/8f1a46c435d9488b9f4ec77c202ef486/FLAGf7326f170 [2019-11-27 10:18:15,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:18:15,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-11-27 10:18:15,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0199bff6/8f1a46c435d9488b9f4ec77c202ef486/FLAGf7326f170 [2019-11-27 10:18:15,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0199bff6/8f1a46c435d9488b9f4ec77c202ef486 [2019-11-27 10:18:15,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:18:15,575 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:18:15,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:15,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:18:15,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:18:15,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:15" (1/1) ... [2019-11-27 10:18:15,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852b4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:15, skipping insertion in model container [2019-11-27 10:18:15,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:15" (1/1) ... [2019-11-27 10:18:15,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:18:15,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:18:16,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:16,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:18:16,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:16,978 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:18:16,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16 WrapperNode [2019-11-27 10:18:16,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:16,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:16,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:18:16,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:18:17,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:18:17,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:18:17,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:18:17,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:17,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:18:17,171 INFO L168 Benchmark]: Toolchain (without parser) took 1585.13 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 966.7 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:18:17,184 INFO L168 Benchmark]: CDTParser took 0.46 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 10:18:17,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1404.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:17,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.03 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:18:17,192 INFO L168 Benchmark]: Boogie Preprocessor took 64.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:17,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1404.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.03 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.50 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.7 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 10:18:21,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:18:21,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:18:21,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:18:21,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:18:21,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:18:21,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:18:21,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:18:21,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:18:21,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:18:21,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:18:21,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:18:21,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:18:21,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:18:21,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:18:21,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:18:21,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:18:21,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:18:21,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:18:21,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:18:21,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:18:21,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:18:21,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:18:21,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:18:21,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:18:21,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:18:21,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:18:21,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:18:21,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:18:21,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:18:21,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:18:21,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:18:21,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:18:21,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:18:21,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:18:21,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:18:21,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:18:21,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:18:21,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:18:21,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:18:21,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:18:21,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:18:21,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:18:21,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:18:21,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:18:21,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:18:21,278 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:18:21,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:18:21,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:18:21,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:18:21,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:18:21,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:18:21,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:18:21,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:18:21,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:18:21,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:18:21,286 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:18:21,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:18:21,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:18:21,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:18:21,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:18:21,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:18:21,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:18:21,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:18:21,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:18:21,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:18:21,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:18:21,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:18:21,293 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:18:21,293 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:18:21,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:18:21,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:18:21,295 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 -> 70388197a28bd3be848acf07d15b703eb0dba0f2 [2019-11-27 10:18:21,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:18:21,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:18:21,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:18:21,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:18:21,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:18:21,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-11-27 10:18:22,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc3d6a0d/9a48c3a0f4f54d9f93c2f04ae0b4fa75/FLAG828a7cf2d [2019-11-27 10:18:23,312 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:18:23,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-11-27 10:18:23,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc3d6a0d/9a48c3a0f4f54d9f93c2f04ae0b4fa75/FLAG828a7cf2d [2019-11-27 10:18:23,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc3d6a0d/9a48c3a0f4f54d9f93c2f04ae0b4fa75 [2019-11-27 10:18:23,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:18:23,389 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:18:23,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:23,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:18:23,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:18:23,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:23" (1/1) ... [2019-11-27 10:18:23,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852b4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:23, skipping insertion in model container [2019-11-27 10:18:23,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:23" (1/1) ... [2019-11-27 10:18:23,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:18:23,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:18:24,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:24,529 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:18:24,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:24,836 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:18:24,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24 WrapperNode [2019-11-27 10:18:24,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:24,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:24,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:18:24,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:18:24,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:24,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:18:24,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:18:24,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:18:24,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:25,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:25,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:25,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:25,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:18:25,064 INFO L168 Benchmark]: Toolchain (without parser) took 1668.26 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 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:25,067 INFO L168 Benchmark]: CDTParser took 1.99 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 10:18:25,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1444.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 712.1 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:25,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:18:25,086 INFO L168 Benchmark]: Boogie Preprocessor took 95.55 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:25,098 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 1444.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 712.1 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.55 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 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...