./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_nxt.1.M1-1.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 53e071511f6f1e48b17be30e2bccf96306c46fba ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_nxt.1.M1-1.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 53e071511f6f1e48b17be30e2bccf96306c46fba ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:15:34,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:34,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:34,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:34,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:34,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:34,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:34,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:34,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:34,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:34,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:34,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:34,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:34,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:34,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:34,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:34,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:34,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:34,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:34,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:34,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:34,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:34,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:34,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:34,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:34,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:34,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:34,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:34,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:34,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:34,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:34,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:34,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:34,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:34,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:34,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:34,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:34,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:34,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:34,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:34,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:34,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:15:34,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:34,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:34,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:34,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:34,510 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:34,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:34,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:34,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:15:34,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:34,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:34,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:34,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:34,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:34,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:34,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:34,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:34,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:34,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:34,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:34,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:34,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:34,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:34,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:34,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:34,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:34,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:15:34,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:15:34,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:34,526 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-26 17:15:35,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:35,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:35,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:35,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:35,192 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:35,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-26 17:15:35,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f269423/ca1d09fac2e74be5a34dd49457992a5a/FLAG532918fb1 [2019-11-26 17:15:36,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:36,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-26 17:15:36,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f269423/ca1d09fac2e74be5a34dd49457992a5a/FLAG532918fb1 [2019-11-26 17:15:37,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f269423/ca1d09fac2e74be5a34dd49457992a5a [2019-11-26 17:15:37,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:37,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:37,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:37,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:37,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:37,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:37,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37, skipping insertion in model container [2019-11-26 17:15:37,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:37,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:37,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:38,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:38,969 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:15:39,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:39,577 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:15:39,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39 WrapperNode [2019-11-26 17:15:39,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:39,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:39,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:15:39,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:15:39,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:39,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:42,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:42,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:15:42,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:15:42,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:15:42,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:42,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:43,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:43,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:45,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:45,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:46,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:39" (1/1) ... [2019-11-26 17:15:46,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:46,480 INFO L168 Benchmark]: Toolchain (without parser) took 9427.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 605.2 MB in the end (delta: 350.8 MB). Peak memory consumption was 350.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:46,484 INFO L168 Benchmark]: CDTParser took 3.17 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. [2019-11-26 17:15:46,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2529.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 933.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:46,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 3230.53 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 859.1 MB in the end (delta: 74.2 MB). Peak memory consumption was 330.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:46,497 INFO L168 Benchmark]: Boogie Preprocessor took 3657.37 ms. Allocated memory is still 1.0 GB. Free memory was 859.1 MB in the beginning and 605.2 MB in the end (delta: 253.9 MB). Peak memory consumption was 253.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:46,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.17 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 2529.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 933.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3230.53 ms. Allocated memory is still 1.0 GB. Free memory was 933.3 MB in the beginning and 859.1 MB in the end (delta: 74.2 MB). Peak memory consumption was 330.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 3657.37 ms. Allocated memory is still 1.0 GB. Free memory was 859.1 MB in the beginning and 605.2 MB in the end (delta: 253.9 MB). Peak memory consumption was 253.9 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 0.1.24-025d5a2 [2019-11-26 17:15:51,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:51,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:51,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:51,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:51,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:51,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:51,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:51,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:51,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:51,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:51,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:51,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:51,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:51,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:51,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:51,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:51,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:51,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:51,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:51,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:51,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:51,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:51,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:51,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:51,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:51,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:51,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:51,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:51,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:51,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:51,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:51,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:51,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:51,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:51,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:51,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:51,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:51,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:51,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:51,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:51,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:15:51,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:51,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:51,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:51,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:51,495 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:51,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:51,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:51,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:51,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:51,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:51,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:51,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:51,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:15:51,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:15:51,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:51,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:51,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:51,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:51,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:51,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:51,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:51,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:51,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:51,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:51,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:51,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:51,510 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:15:51,510 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:15:51,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:51,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:15:51,514 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-26 17:15:52,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:52,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:52,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:52,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:52,086 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:52,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-26 17:15:52,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32150fc64/a0f12a7b2a6c488980ffdec63f53b6c3/FLAG0d8ec1a7f [2019-11-26 17:15:53,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:53,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-26 17:15:53,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32150fc64/a0f12a7b2a6c488980ffdec63f53b6c3/FLAG0d8ec1a7f [2019-11-26 17:15:53,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32150fc64/a0f12a7b2a6c488980ffdec63f53b6c3 [2019-11-26 17:15:53,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:53,736 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:53,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:53,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:53,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:53,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:53" (1/1) ... [2019-11-26 17:15:53,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:53, skipping insertion in model container [2019-11-26 17:15:53,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:53" (1/1) ... [2019-11-26 17:15:53,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:53,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:55,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:55,649 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:15:56,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:56,374 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:15:56,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56 WrapperNode [2019-11-26 17:15:56,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:56,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:56,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:15:56,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:15:56,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:56,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:59,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:59,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:15:59,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:15:59,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:15:59,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:59,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:59,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:59,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:16:01,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:16:02,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:16:03,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:16:03,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:03,716 INFO L168 Benchmark]: Toolchain (without parser) took 9980.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 776.3 MB in the end (delta: 179.7 MB). Peak memory consumption was 430.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:03,717 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 17:16:03,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2632.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 908.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:03,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 2921.44 ms. Allocated memory is still 1.0 GB. Free memory was 908.9 MB in the beginning and 864.0 MB in the end (delta: 44.9 MB). Peak memory consumption was 290.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:03,727 INFO L168 Benchmark]: Boogie Preprocessor took 4405.63 ms. Allocated memory is still 1.0 GB. Free memory was 864.0 MB in the beginning and 776.3 MB in the end (delta: 87.7 MB). Peak memory consumption was 338.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:03,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 2632.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 908.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2921.44 ms. Allocated memory is still 1.0 GB. Free memory was 908.9 MB in the beginning and 864.0 MB in the end (delta: 44.9 MB). Peak memory consumption was 290.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4405.63 ms. Allocated memory is still 1.0 GB. Free memory was 864.0 MB in the beginning and 776.3 MB in the end (delta: 87.7 MB). Peak memory consumption was 338.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...