./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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-divine/divinefifo-bug_1w1r.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 b3889e54006dd3539905cc8d2fd19fff782281de ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-divine/divinefifo-bug_1w1r.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 b3889e54006dd3539905cc8d2fd19fff782281de ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:39:49,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:49,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:49,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:49,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:49,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:49,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:49,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:49,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:49,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:49,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:49,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:49,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:49,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:49,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:49,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:49,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:49,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:49,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:49,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:49,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:49,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:49,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:49,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:49,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:49,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:49,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:49,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:49,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:49,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:49,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:49,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:49,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:49,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:49,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:49,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:49,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:49,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:49,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:49,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:49,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:49,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:39:49,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:49,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:49,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:49,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:49,492 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:49,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:49,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:49,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:39:49,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:49,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:49,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:49,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:49,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:49,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:49,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:49,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:49,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:49,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:49,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:49,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:49,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:49,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:49,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:49,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:49,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:49,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:39:49,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:39:49,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:49,510 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 -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-27 16:39:50,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:50,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:50,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:50,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:50,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:50,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-27 16:39:50,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca442c3/5d6ad932e9cf4dcb8c04c695f8eda979/FLAG780181ad5 [2019-11-27 16:39:51,572 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:39:51,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-27 16:39:51,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca442c3/5d6ad932e9cf4dcb8c04c695f8eda979/FLAG780181ad5 [2019-11-27 16:39:51,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca442c3/5d6ad932e9cf4dcb8c04c695f8eda979 [2019-11-27 16:39:51,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:39:51,668 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:39:51,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:51,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:39:51,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:39:51,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:51" (1/1) ... [2019-11-27 16:39:51,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:51, skipping insertion in model container [2019-11-27 16:39:51,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:51" (1/1) ... [2019-11-27 16:39:51,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:39:51,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:39:52,241 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:39:53,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:53,098 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:39:53,146 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:39:53,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:39:53,645 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:39:53,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53 WrapperNode [2019-11-27 16:39:53,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:53,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:53,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:39:53,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:39:53,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:39:53,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:39:53,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:39:53,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:39:53,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:53,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:54,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:53" (1/1) ... [2019-11-27 16:39:54,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:39:54,036 INFO L168 Benchmark]: Toolchain (without parser) took 2360.75 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 926.2 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:54,046 INFO L168 Benchmark]: CDTParser took 0.50 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 16:39:54,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1974.99 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 937.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:54,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.88 ms. Allocated memory is still 1.0 GB. Free memory was 937.7 MB in the beginning and 931.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:54,063 INFO L168 Benchmark]: Boogie Preprocessor took 178.78 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 926.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:54,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1974.99 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 937.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 195.88 ms. Allocated memory is still 1.0 GB. Free memory was 937.7 MB in the beginning and 931.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.78 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 926.2 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 0.1.24-509859d [2019-11-27 16:39:57,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:57,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:58,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:58,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:58,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:58,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:58,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:58,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:58,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:58,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:58,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:58,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:58,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:58,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:58,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:58,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:58,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:58,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:58,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:58,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:58,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:58,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:58,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:58,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:58,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:58,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:58,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:58,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:58,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:58,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:58,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:58,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:58,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:58,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:58,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:58,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:58,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:58,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:58,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:58,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:58,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:39:58,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:58,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:58,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:58,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:58,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:58,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:58,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:58,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:58,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:58,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:58,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:58,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:58,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:39:58,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:39:58,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:58,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:58,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:58,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:58,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:58,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:58,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:58,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:58,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:58,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:58,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:58,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:58,229 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:39:58,229 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:39:58,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:58,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:39:58,231 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 -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-27 16:39:58,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:58,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:58,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:58,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:58,889 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:58,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-27 16:39:59,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f310353be/a6b6d132887d4650bd15c052314f1526/FLAGbdf95ea33 [2019-11-27 16:40:00,230 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:40:00,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-27 16:40:00,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f310353be/a6b6d132887d4650bd15c052314f1526/FLAGbdf95ea33 [2019-11-27 16:40:00,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f310353be/a6b6d132887d4650bd15c052314f1526 [2019-11-27 16:40:00,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:40:00,668 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:40:00,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:00,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:40:00,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:40:00,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:00" (1/1) ... [2019-11-27 16:40:00,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58411de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:00, skipping insertion in model container [2019-11-27 16:40:00,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:40:00" (1/1) ... [2019-11-27 16:40:00,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:40:00,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:40:01,279 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:02,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:02,131 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:40:02,176 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-27 16:40:02,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:40:02,707 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:40:02,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02 WrapperNode [2019-11-27 16:40:02,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:40:02,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:02,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:40:02,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:40:02,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:40:02,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:40:02,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:40:02,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:40:02,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:02,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:03,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:03,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:03,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:40:02" (1/1) ... [2019-11-27 16:40:03,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:40:03,121 INFO L168 Benchmark]: Toolchain (without parser) took 2445.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 927.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:03,131 INFO L168 Benchmark]: CDTParser took 0.57 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 16:40:03,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2031.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 933.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:03,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.67 ms. Allocated memory is still 1.0 GB. Free memory is still 933.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:40:03,141 INFO L168 Benchmark]: Boogie Preprocessor took 197.16 ms. Allocated memory is still 1.0 GB. Free memory was 933.4 MB in the beginning and 927.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:40:03,154 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 2031.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 933.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 198.67 ms. Allocated memory is still 1.0 GB. Free memory is still 933.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.16 ms. Allocated memory is still 1.0 GB. Free memory was 933.4 MB in the beginning and 927.7 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...