./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.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/rekcba_nxt.3.M1.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 b21ab3d56ec6da242a7a698a73b051159e9f196e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/rekcba_nxt.3.M1.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 b21ab3d56ec6da242a7a698a73b051159e9f196e ................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:14:40,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:40,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:40,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:40,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:40,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:40,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:40,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:40,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:40,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:40,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:40,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:40,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:40,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:40,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:40,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:40,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:40,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:40,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:40,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:40,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:40,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:40,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:40,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:40,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:40,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:40,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:40,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:40,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:40,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:40,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:40,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:40,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:40,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:40,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:40,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:40,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:40,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:40,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:40,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:40,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:40,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:14:40,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:40,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:40,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:40,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:40,298 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:40,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:40,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:40,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:14:40,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:40,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:40,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:40,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:40,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:40,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:40,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:40,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:40,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:40,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:40,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:40,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:40,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:40,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:40,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:40,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:40,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:40,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:14:40,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:14:40,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:40,317 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 -> b21ab3d56ec6da242a7a698a73b051159e9f196e [2019-11-26 17:14:40,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:40,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:40,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:40,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:40,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:40,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-26 17:14:41,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5182d958a/87376484bc994f59adbd7c9ba1ecc7f0/FLAG75b7b2ad5 [2019-11-26 17:14:42,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:42,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-26 17:14:42,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5182d958a/87376484bc994f59adbd7c9ba1ecc7f0/FLAG75b7b2ad5 [2019-11-26 17:14:42,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5182d958a/87376484bc994f59adbd7c9ba1ecc7f0 [2019-11-26 17:14:42,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:42,731 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:42,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:42,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:42,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:42,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:42" (1/1) ... [2019-11-26 17:14:42,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:42, skipping insertion in model container [2019-11-26 17:14:42,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:42" (1/1) ... [2019-11-26 17:14:42,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:42,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:44,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:44,679 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:45,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:45,361 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:45,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45 WrapperNode [2019-11-26 17:14:45,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:45,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:45,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:45,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:45,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:45,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:46,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:46,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:46,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:46,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:46,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:46,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:47,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:47,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:47,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:48,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:48,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:45" (1/1) ... [2019-11-26 17:14:48,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:14:48,434 INFO L168 Benchmark]: Toolchain (without parser) took 5700.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 732.0 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:48,439 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 17:14:48,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2624.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 927.4 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:48,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 1435.29 ms. Allocated memory is still 1.0 GB. Free memory was 927.4 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:48,448 INFO L168 Benchmark]: Boogie Preprocessor took 1628.02 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.0 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:48,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 2624.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 927.4 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1435.29 ms. Allocated memory is still 1.0 GB. Free memory was 927.4 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1628.02 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.0 MB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 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 17:14:52,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:52,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:52,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:52,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:52,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:52,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:52,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:52,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:52,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:52,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:52,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:52,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:52,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:52,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:52,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:52,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:52,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:52,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:52,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:52,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:53,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:53,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:53,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:53,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:53,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:53,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:53,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:53,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:53,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:53,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:53,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:53,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:53,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:53,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:53,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:53,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:53,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:53,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:53,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:53,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:53,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:14:53,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:53,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:53,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:53,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:53,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:53,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:53,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:53,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:53,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:53,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:53,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:53,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:53,111 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:14:53,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:14:53,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:53,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:53,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:53,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:53,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:53,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:53,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:53,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:53,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:53,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:53,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:53,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:53,121 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:14:53,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:14:53,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:53,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:14:53,125 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 -> b21ab3d56ec6da242a7a698a73b051159e9f196e [2019-11-26 17:14:53,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:53,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:53,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:53,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:53,758 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:53,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-26 17:14:53,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c446e7c70/707d9a5b8f5c4e2c827967b12bd6c2f6/FLAGe026f8431 [2019-11-26 17:14:55,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:55,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2019-11-26 17:14:55,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c446e7c70/707d9a5b8f5c4e2c827967b12bd6c2f6/FLAGe026f8431 [2019-11-26 17:14:55,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c446e7c70/707d9a5b8f5c4e2c827967b12bd6c2f6 [2019-11-26 17:14:55,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:55,500 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:55,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:55,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:55,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:55,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:55" (1/1) ... [2019-11-26 17:14:55,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:55, skipping insertion in model container [2019-11-26 17:14:55,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:55" (1/1) ... [2019-11-26 17:14:55,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:55,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:57,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:57,595 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:58,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:58,384 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:58,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58 WrapperNode [2019-11-26 17:14:58,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:58,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:58,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:58,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:58,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:14:58,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:14:59,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:59,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:59,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:59,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:59,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:14:59,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:00,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:00,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:00,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:01,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:01,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:58" (1/1) ... [2019-11-26 17:15:02,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:02,052 INFO L168 Benchmark]: Toolchain (without parser) took 6544.91 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 911.2 MB in the end (delta: 44.7 MB). Peak memory consumption was 315.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:02,053 INFO L168 Benchmark]: CDTParser took 2.64 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 17:15:02,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2885.66 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 904.7 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:02,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 1435.84 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 801.0 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:02,061 INFO L168 Benchmark]: Boogie Preprocessor took 2212.61 ms. Allocated memory is still 1.0 GB. Free memory was 801.0 MB in the beginning and 911.2 MB in the end (delta: -110.2 MB). Peak memory consumption was 160.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:02,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.64 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 2885.66 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 904.7 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 1435.84 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 801.0 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2212.61 ms. Allocated memory is still 1.0 GB. Free memory was 801.0 MB in the beginning and 911.2 MB in the end (delta: -110.2 MB). Peak memory consumption was 160.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...