./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c --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/seq-mthreaded/rekh_aso.2.M1-2.c -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 d56bffca368ec7c40a298033ad1cb863e538269d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c -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 d56bffca368ec7c40a298033ad1cb863e538269d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:24:29,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:24:29,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:24:29,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:24:29,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:24:29,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:24:29,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:24:29,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:24:29,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:24:29,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:24:29,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:24:29,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:24:29,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:24:29,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:24:29,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:24:29,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:24:29,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:24:29,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:24:29,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:24:29,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:24:29,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:24:29,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:24:29,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:24:29,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:24:29,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:24:29,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:24:29,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:24:29,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:24:29,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:24:29,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:24:29,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:24:29,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:24:29,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:24:29,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:24:29,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:24:29,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:24:29,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:24:29,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:24:29,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:24:29,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:24:29,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:24:29,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:24:29,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:24:29,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:24:29,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:24:29,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:24:29,453 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:24:29,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:24:29,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:24:29,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:24:29,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:24:29,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:24:29,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:24:29,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:24:29,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:24:29,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:24:29,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:24:29,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:24:29,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:24:29,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:24:29,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:24:29,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:24:29,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:24:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:24:29,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:24:29,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:24:29,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:24:29,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:24:29,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:24:29,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:24:29,471 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 -> d56bffca368ec7c40a298033ad1cb863e538269d [2019-11-27 16:24:30,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:24:30,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:24:30,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:24:30,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:24:30,217 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:24:30,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2019-11-27 16:24:30,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2053ded36/8a4c2d3979844c9697bebf4ea3b2abc6/FLAG5e4cb67a6 [2019-11-27 16:24:32,123 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:24:32,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2019-11-27 16:24:32,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2053ded36/8a4c2d3979844c9697bebf4ea3b2abc6/FLAG5e4cb67a6 [2019-11-27 16:24:32,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2053ded36/8a4c2d3979844c9697bebf4ea3b2abc6 [2019-11-27 16:24:32,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:24:32,243 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:24:32,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:32,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:24:32,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:24:32,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:32" (1/1) ... [2019-11-27 16:24:32,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c7b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:32, skipping insertion in model container [2019-11-27 16:24:32,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:32" (1/1) ... [2019-11-27 16:24:32,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:24:32,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:24:34,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:34,338 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:24:34,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:35,098 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:24:35,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35 WrapperNode [2019-11-27 16:24:35,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:35,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:35,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:24:35,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:24:35,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:35,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:40,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:40,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:24:40,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:24:40,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:24:40,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:40,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:42,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:42,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:45,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:46,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:47,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:35" (1/1) ... [2019-11-27 16:24:48,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:24:48,285 INFO L168 Benchmark]: Toolchain (without parser) took 16037.68 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 520.3 MB in the end (delta: 441.3 MB). Peak memory consumption was 547.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:48,288 INFO L168 Benchmark]: CDTParser took 0.92 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 16:24:48,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2850.47 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 896.9 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:48,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 5032.88 ms. Allocated memory is still 1.0 GB. Free memory was 896.9 MB in the beginning and 617.5 MB in the end (delta: 279.5 MB). Peak memory consumption was 279.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:48,301 INFO L168 Benchmark]: Boogie Preprocessor took 8138.72 ms. Allocated memory is still 1.0 GB. Free memory was 617.5 MB in the beginning and 520.3 MB in the end (delta: 97.1 MB). Peak memory consumption was 202.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:24:48,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 2850.47 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 896.9 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 5032.88 ms. Allocated memory is still 1.0 GB. Free memory was 896.9 MB in the beginning and 617.5 MB in the end (delta: 279.5 MB). Peak memory consumption was 279.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 8138.72 ms. Allocated memory is still 1.0 GB. Free memory was 617.5 MB in the beginning and 520.3 MB in the end (delta: 97.1 MB). Peak memory consumption was 202.7 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 16:24:52,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:24:52,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:24:52,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:24:52,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:24:53,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:24:53,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:24:53,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:24:53,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:24:53,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:24:53,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:24:53,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:24:53,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:24:53,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:24:53,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:24:53,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:24:53,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:24:53,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:24:53,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:24:53,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:24:53,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:24:53,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:24:53,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:24:53,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:24:53,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:24:53,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:24:53,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:24:53,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:24:53,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:24:53,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:24:53,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:24:53,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:24:53,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:24:53,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:24:53,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:24:53,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:24:53,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:24:53,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:24:53,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:24:53,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:24:53,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:24:53,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:24:53,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:24:53,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:24:53,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:24:53,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:24:53,292 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:24:53,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:24:53,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:24:53,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:24:53,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:24:53,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:24:53,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:24:53,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:24:53,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:24:53,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:24:53,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:24:53,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:24:53,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:24:53,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:24:53,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:24:53,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:24:53,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:24:53,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:24:53,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:24:53,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:24:53,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:24:53,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:24:53,311 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:24:53,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:24:53,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:24:53,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:24:53,313 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 -> d56bffca368ec7c40a298033ad1cb863e538269d [2019-11-27 16:24:53,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:24:54,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:24:54,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:24:54,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:24:54,026 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:24:54,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2019-11-27 16:24:54,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8093422cc/4d6676e64b4143e2808f926b8d54e5d6/FLAGd1c492f67 [2019-11-27 16:24:55,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:24:55,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2019-11-27 16:24:55,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8093422cc/4d6676e64b4143e2808f926b8d54e5d6/FLAGd1c492f67 [2019-11-27 16:24:56,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8093422cc/4d6676e64b4143e2808f926b8d54e5d6 [2019-11-27 16:24:56,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:24:56,135 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:24:56,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:56,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:24:56,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:24:56,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:56" (1/1) ... [2019-11-27 16:24:56,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583ff5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:56, skipping insertion in model container [2019-11-27 16:24:56,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:24:56" (1/1) ... [2019-11-27 16:24:56,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:24:56,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:24:58,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:58,410 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:24:59,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:24:59,345 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:24:59,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59 WrapperNode [2019-11-27 16:24:59,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:24:59,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:24:59,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:24:59,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:24:59,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:24:59,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:04,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:04,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:25:04,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:25:04,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:25:04,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:04,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:05,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:05,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:09,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:10,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:10,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:24:59" (1/1) ... [2019-11-27 16:25:11,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:25:11,695 INFO L168 Benchmark]: Toolchain (without parser) took 15554.06 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 479.7 MB in the end (delta: 482.0 MB). Peak memory consumption was 535.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:11,697 INFO L168 Benchmark]: CDTParser took 2.47 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 16:25:11,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3212.70 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 875.5 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:11,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 4697.79 ms. Allocated memory is still 1.0 GB. Free memory was 875.5 MB in the beginning and 636.7 MB in the end (delta: 238.8 MB). Peak memory consumption was 245.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:11,707 INFO L168 Benchmark]: Boogie Preprocessor took 7635.65 ms. Allocated memory is still 1.0 GB. Free memory was 636.7 MB in the beginning and 479.7 MB in the end (delta: 156.9 MB). Peak memory consumption was 210.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:11,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 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 3212.70 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 875.5 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4697.79 ms. Allocated memory is still 1.0 GB. Free memory was 875.5 MB in the beginning and 636.7 MB in the end (delta: 238.8 MB). Peak memory consumption was 245.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 7635.65 ms. Allocated memory is still 1.0 GB. Free memory was 636.7 MB in the beginning and 479.7 MB in the end (delta: 156.9 MB). Peak memory consumption was 210.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...