./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.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.M1-1.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 93723d11fabc868abe2828d024ca94192d43a8fd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.M1-1.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 93723d11fabc868abe2828d024ca94192d43a8fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:21:33,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:33,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:33,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:33,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:33,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:33,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:33,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:33,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:33,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:33,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:33,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:33,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:33,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:33,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:33,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:33,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:33,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:33,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:33,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:33,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:33,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:33,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:33,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:33,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:33,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:33,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:33,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:33,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:33,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:33,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:33,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:33,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:33,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:33,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:33,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:33,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:33,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:33,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:33,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:33,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:33,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:21:33,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:33,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:33,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:33,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:33,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:33,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:33,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:33,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:21:33,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:33,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:33,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:33,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:33,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:33,275 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:33,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:33,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:33,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:33,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:33,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:33,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:33,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:33,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:33,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:33,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:33,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:33,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:33,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:21:33,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:21:33,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:33,285 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 -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-24 21:21:33,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:33,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:33,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:33,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:33,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:33,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-24 21:21:34,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099b2868/733233467d5c40f8af56093f2c25d0d3/FLAG4a13d6427 [2019-11-24 21:21:35,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:35,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-24 21:21:35,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099b2868/733233467d5c40f8af56093f2c25d0d3/FLAG4a13d6427 [2019-11-24 21:21:35,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1099b2868/733233467d5c40f8af56093f2c25d0d3 [2019-11-24 21:21:35,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:35,718 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:35,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:35,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:35,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:35,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:35" (1/1) ... [2019-11-24 21:21:35,748 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 24.11 09:21:35, skipping insertion in model container [2019-11-24 21:21:35,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:35" (1/1) ... [2019-11-24 21:21:35,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:35,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:37,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:37,628 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:21:38,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:38,240 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:21:38,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38 WrapperNode [2019-11-24 21:21:38,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:38,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:38,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:21:38,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:21:38,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:38,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:42,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:42,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:21:42,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:21:42,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:21:42,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:42,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:43,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:43,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:47,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:47,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:48,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:38" (1/1) ... [2019-11-24 21:21:49,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:21:49,317 INFO L168 Benchmark]: Toolchain (without parser) took 13593.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 559.1 MB in the end (delta: 402.5 MB). Peak memory consumption was 449.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,320 INFO L168 Benchmark]: CDTParser took 2.14 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. [2019-11-24 21:21:49,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2528.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 4448.36 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 732.1 MB in the end (delta: 183.8 MB). Peak memory consumption was 303.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,332 INFO L168 Benchmark]: Boogie Preprocessor took 6606.92 ms. Allocated memory is still 1.0 GB. Free memory was 732.1 MB in the beginning and 559.1 MB in the end (delta: 172.9 MB). Peak memory consumption was 219.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 2528.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4448.36 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 732.1 MB in the end (delta: 183.8 MB). Peak memory consumption was 303.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 6606.92 ms. Allocated memory is still 1.0 GB. Free memory was 732.1 MB in the beginning and 559.1 MB in the end (delta: 172.9 MB). Peak memory consumption was 219.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:21:54,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:54,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:54,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:54,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:54,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:54,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:54,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:54,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:54,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:54,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:54,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:54,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:54,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:54,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:54,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:54,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:54,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:54,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:54,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:54,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:54,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:54,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:54,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:54,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:54,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:54,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:54,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:54,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:54,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:54,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:54,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:54,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:54,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:54,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:54,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:54,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:54,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:54,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:54,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:54,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:54,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:21:54,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:54,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:54,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:54,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:54,438 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:54,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:54,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:54,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:54,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:54,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:54,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:54,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:54,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:54,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:21:54,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:21:54,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:54,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:54,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:54,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:54,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:54,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:54,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:54,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:54,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:54,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:54,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:54,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:54,461 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:21:54,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:21:54,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:54,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:21:54,463 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 -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-24 21:21:55,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:55,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:55,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:55,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:55,176 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:55,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-24 21:21:55,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb1a3f1f/baf190f0f8694821a6ec1bbc20122395/FLAG4d38d8615 [2019-11-24 21:21:57,170 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:57,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-24 21:21:57,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb1a3f1f/baf190f0f8694821a6ec1bbc20122395/FLAG4d38d8615 [2019-11-24 21:21:57,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb1a3f1f/baf190f0f8694821a6ec1bbc20122395 [2019-11-24 21:21:57,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:57,279 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:57,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:57,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:57,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:57,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:21:57,307 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 24.11 09:21:57, skipping insertion in model container [2019-11-24 21:21:57,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:57" (1/1) ... [2019-11-24 21:21:57,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:57,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:59,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:59,477 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:22:00,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:22:00,393 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:22:00,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00 WrapperNode [2019-11-24 21:22:00,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:22:00,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:22:00,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:22:00,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:22:00,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:00,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:04,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:22:04,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:22:04,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:22:04,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:22:04,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:04,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:05,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:05,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:08,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:09,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:10,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:22:00" (1/1) ... [2019-11-24 21:22:10,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:22:10,763 INFO L168 Benchmark]: Toolchain (without parser) took 13478.19 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 533.5 MB in the end (delta: 422.5 MB). Peak memory consumption was 432.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:10,765 INFO L168 Benchmark]: CDTParser took 2.22 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 21:22:10,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3112.01 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 891.6 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:10,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 4030.46 ms. Allocated memory is still 1.0 GB. Free memory was 891.6 MB in the beginning and 748.1 MB in the end (delta: 143.5 MB). Peak memory consumption was 267.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:10,775 INFO L168 Benchmark]: Boogie Preprocessor took 6325.04 ms. Allocated memory is still 1.0 GB. Free memory was 748.1 MB in the beginning and 533.5 MB in the end (delta: 214.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:22:10,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22 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 3112.01 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 891.6 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4030.46 ms. Allocated memory is still 1.0 GB. Free memory was 891.6 MB in the beginning and 748.1 MB in the end (delta: 143.5 MB). Peak memory consumption was 267.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 6325.04 ms. Allocated memory is still 1.0 GB. Free memory was 748.1 MB in the beginning and 533.5 MB in the end (delta: 214.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...