./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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.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 5896b493a194ebd884898cd6f8f73c85730ab78b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.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 5896b493a194ebd884898cd6f8f73c85730ab78b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:21:33,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:33,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:33,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:33,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:33,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:33,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:33,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:33,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:33,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:33,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:33,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:33,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:33,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:33,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:33,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:33,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:33,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:33,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:33,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:33,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:33,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:33,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:33,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:33,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:33,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:33,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:33,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:33,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:33,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:33,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:33,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:33,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:33,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:33,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:33,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:33,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:33,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:33,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:33,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:33,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:33,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:21:33,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:33,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:33,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:33,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:33,976 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:33,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:33,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:33,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:21:33,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:33,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:33,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:33,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:33,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:33,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:33,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:33,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:33,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:33,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:33,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:33,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:33,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:33,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:33,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:33,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:33,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:33,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:33,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:21:33,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:21:33,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:33,995 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-24 21:21:34,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:34,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:34,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:34,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:34,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:34,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-24 21:21:34,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59cc9badf/ec1ea290a0394f79aa3085830ae0bbd9/FLAG3e892e082 [2019-11-24 21:21:36,518 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:36,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-24 21:21:36,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59cc9badf/ec1ea290a0394f79aa3085830ae0bbd9/FLAG3e892e082 [2019-11-24 21:21:36,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59cc9badf/ec1ea290a0394f79aa3085830ae0bbd9 [2019-11-24 21:21:36,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:36,628 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:36,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:36,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:36,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:36,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:36" (1/1) ... [2019-11-24 21:21:36,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c5318a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:36, skipping insertion in model container [2019-11-24 21:21:36,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:36" (1/1) ... [2019-11-24 21:21:36,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:36,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:38,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:38,643 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:21:39,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:39,305 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:21:39,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39 WrapperNode [2019-11-24 21:21:39,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:39,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:39,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:21:39,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:21:39,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:39,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:42,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:42,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:21:42,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:21:42,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:21:42,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:42,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:43,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:43,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:45,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:46,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:47,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:39" (1/1) ... [2019-11-24 21:21:48,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:21:48,027 INFO L168 Benchmark]: Toolchain (without parser) took 11393.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 780.2 MB in the end (delta: 174.3 MB). Peak memory consumption was 436.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:48,031 INFO L168 Benchmark]: CDTParser took 3.80 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. [2019-11-24 21:21:48,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2677.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 926.0 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:48,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 3550.56 ms. Allocated memory is still 1.0 GB. Free memory was 926.0 MB in the beginning and 840.8 MB in the end (delta: 85.2 MB). Peak memory consumption was 313.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:48,040 INFO L168 Benchmark]: Boogie Preprocessor took 5157.77 ms. Allocated memory is still 1.0 GB. Free memory was 840.8 MB in the beginning and 780.2 MB in the end (delta: 60.6 MB). Peak memory consumption was 323.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:48,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.80 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 2677.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 926.0 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3550.56 ms. Allocated memory is still 1.0 GB. Free memory was 926.0 MB in the beginning and 840.8 MB in the end (delta: 85.2 MB). Peak memory consumption was 313.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5157.77 ms. Allocated memory is still 1.0 GB. Free memory was 840.8 MB in the beginning and 780.2 MB in the end (delta: 60.6 MB). Peak memory consumption was 323.0 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 0.1.24-32f2683 [2019-11-24 21:21:52,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:52,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:52,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:52,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:52,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:52,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:52,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:52,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:52,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:52,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:52,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:52,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:52,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:52,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:52,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:52,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:52,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:52,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:52,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:52,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:52,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:52,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:52,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:52,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:52,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:52,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:52,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:52,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:52,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:52,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:52,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:52,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:52,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:52,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:52,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:52,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:52,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:52,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:52,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:52,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:52,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:21:52,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:52,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:52,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:52,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:52,524 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:52,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:52,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:52,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:52,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:52,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:52,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:52,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:52,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:52,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:21:52,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:21:52,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:52,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:52,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:52,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:52,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:52,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:52,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:52,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:52,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:52,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:52,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:52,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:52,539 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:21:52,539 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:21:52,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:52,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:21:52,544 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-24 21:21:53,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:53,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:53,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:53,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:53,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:53,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-24 21:21:53,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f341d44c/e50fc7dd80d540c9a8280a218a3d0e7d/FLAGe91e17e03 [2019-11-24 21:21:54,823 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:54,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-24 21:21:54,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f341d44c/e50fc7dd80d540c9a8280a218a3d0e7d/FLAGe91e17e03 [2019-11-24 21:21:54,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f341d44c/e50fc7dd80d540c9a8280a218a3d0e7d [2019-11-24 21:21:54,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:54,928 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:54,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:54,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:54,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:54,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:54" (1/1) ... [2019-11-24 21:21:54,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:54, skipping insertion in model container [2019-11-24 21:21:54,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:54" (1/1) ... [2019-11-24 21:21:54,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:55,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:56,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:57,058 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:21:57,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:57,891 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:21:57,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57 WrapperNode [2019-11-24 21:21:57,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:57,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:57,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:21:57,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:21:57,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:21:58,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:00,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:22:01,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:22:01,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:22:01,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:22:01,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:01,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:01,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:01,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:03,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:05,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:05,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:22:06,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:22:06,055 INFO L168 Benchmark]: Toolchain (without parser) took 11123.81 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 770.5 MB in the end (delta: 185.5 MB). Peak memory consumption was 427.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:06,059 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. [2019-11-24 21:22:06,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2961.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 904.6 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:06,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 3102.92 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 854.5 MB in the end (delta: 50.2 MB). Peak memory consumption was 283.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:06,067 INFO L168 Benchmark]: Boogie Preprocessor took 5048.65 ms. Allocated memory is still 1.0 GB. Free memory was 854.5 MB in the beginning and 770.5 MB in the end (delta: 84.0 MB). Peak memory consumption was 326.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:06,080 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 2961.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 904.6 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3102.92 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 854.5 MB in the end (delta: 50.2 MB). Peak memory consumption was 283.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5048.65 ms. Allocated memory is still 1.0 GB. Free memory was 854.5 MB in the beginning and 770.5 MB in the end (delta: 84.0 MB). Peak memory consumption was 326.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...